2189 lines
43 KiB
C
2189 lines
43 KiB
C
/*
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* This file Copyright (C) 2009-2017 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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*/
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#ifdef HAVE_MEMMEM
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#define _GNU_SOURCE /* glibc's string.h needs this to pick up memmem */
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#endif
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#include <ctype.h> /* isdigit(), tolower() */
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#include <errno.h>
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#include <float.h> /* DBL_DIG */
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#include <locale.h> /* localeconv() */
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#include <math.h> /* fabs(), floor() */
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#include <stdint.h> /* SIZE_MAX */
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#include <stdio.h>
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#include <stdlib.h> /* getenv() */
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#include <string.h> /* strerror(), memset(), memmem() */
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#include <time.h> /* nanosleep() */
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#ifdef _WIN32
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#include <ws2tcpip.h> /* WSAStartup() */
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#include <windows.h> /* Sleep(), GetSystemTimeAsFileTime(), GetEnvironmentVariable() */
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#include <shellapi.h> /* CommandLineToArgv() */
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#include <shlwapi.h> /* StrStrIA() */
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#else
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#include <sys/time.h>
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#include <unistd.h> /* getpagesize() */
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#endif
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#ifdef HAVE_ICONV
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#include <iconv.h>
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#endif
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#include <event2/buffer.h>
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#include <event2/event.h>
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#include "transmission.h"
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#include "error.h"
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#include "error-types.h"
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#include "file.h"
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#include "ConvertUTF.h"
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#include "list.h"
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#include "log.h"
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#include "mime-types.h"
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#include "net.h"
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#include "platform.h" /* tr_lockLock() */
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#include "platform-quota.h" /* tr_device_info_create(), tr_device_info_get_free_space(), tr_device_info_free() */
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#include "tr-assert.h"
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#include "utils.h"
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#include "variant.h"
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#include "version.h"
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time_t __tr_current_time = 0;
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/***
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****
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***/
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struct tm* tr_gmtime_r(time_t const* timep, struct tm* result)
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{
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#if defined(HAVE_GMTIME_R)
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return gmtime_r(timep, result);
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#elif defined(HAVE_GMTIME_S)
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return gmtime_s(result, timep) == 0 ? result : NULL;
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#else
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struct tm* p = gmtime(timep);
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if (p != NULL)
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{
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*result = *p;
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return result;
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}
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return NULL;
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#endif
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}
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struct tm* tr_localtime_r(time_t const* timep, struct tm* result)
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{
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#if defined(HAVE_LOCALTIME_R)
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return localtime_r(timep, result);
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#elif defined(HAVE_LOCALTIME_S)
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return localtime_s(result, timep) == 0 ? result : NULL;
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#else
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struct tm* p = localtime(timep);
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if (p != NULL)
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{
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*result = *p;
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return result;
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}
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return NULL;
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#endif
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}
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int tr_gettimeofday(struct timeval* tv)
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{
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#ifdef _WIN32
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#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
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FILETIME ft;
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uint64_t tmp = 0;
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if (tv == NULL)
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{
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errno = EINVAL;
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return -1;
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}
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GetSystemTimeAsFileTime(&ft);
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tmp |= ft.dwHighDateTime;
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tmp <<= 32;
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tmp |= ft.dwLowDateTime;
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tmp /= 10; /* to microseconds */
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tmp -= DELTA_EPOCH_IN_MICROSECS;
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tv->tv_sec = tmp / 1000000UL;
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tv->tv_usec = tmp % 1000000UL;
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return 0;
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#undef DELTA_EPOCH_IN_MICROSECS
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#else
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return gettimeofday(tv, NULL);
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#endif
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}
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/***
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****
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***/
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void* tr_malloc(size_t size)
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{
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return size != 0 ? malloc(size) : NULL;
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}
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void* tr_malloc0(size_t size)
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{
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return size != 0 ? calloc(1, size) : NULL;
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}
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void* tr_realloc(void* p, size_t size)
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{
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void* result = size != 0 ? realloc(p, size) : NULL;
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if (result == NULL)
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{
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tr_free(p);
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}
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return result;
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}
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void tr_free(void* p)
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{
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if (p != NULL)
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{
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free(p);
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}
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}
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void tr_free_ptrv(void* const* p)
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{
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if (p == NULL)
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{
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return;
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}
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while (*p != NULL)
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{
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tr_free(*p);
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++p;
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}
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}
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void* tr_memdup(void const* src, size_t byteCount)
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{
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return memcpy(tr_malloc(byteCount), src, byteCount);
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}
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/***
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****
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***/
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char const* tr_strip_positional_args(char const* str)
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{
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char* out;
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static size_t bufsize = 0;
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static char* buf = NULL;
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char const* in = str;
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size_t const len = str != NULL ? strlen(str) : 0;
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if (buf == NULL || bufsize < len)
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{
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bufsize = len * 2 + 1;
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buf = tr_renew(char, buf, bufsize);
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}
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out = buf;
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for (; !tr_str_is_empty(str); ++str)
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{
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*out++ = *str;
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if (*str == '%' && isdigit(str[1]))
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{
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char const* tmp = str + 1;
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while (isdigit(*tmp))
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{
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++tmp;
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}
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if (*tmp == '$')
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{
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str = tmp[1] == '\'' ? tmp + 1 : tmp;
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}
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}
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if (*str == '%' && str[1] == '\'')
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{
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str = str + 1;
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}
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}
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*out = '\0';
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return (in == NULL || strcmp(buf, in) != 0) ? buf : in;
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}
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/**
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***
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**/
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void tr_timerAdd(struct event* timer, int seconds, int microseconds)
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{
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struct timeval tv;
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tv.tv_sec = seconds;
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tv.tv_usec = microseconds;
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TR_ASSERT(tv.tv_sec >= 0);
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TR_ASSERT(tv.tv_usec >= 0);
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TR_ASSERT(tv.tv_usec < 1000000);
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evtimer_add(timer, &tv);
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}
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void tr_timerAddMsec(struct event* timer, int msec)
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{
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int const seconds = msec / 1000;
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int const usec = (msec % 1000) * 1000;
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tr_timerAdd(timer, seconds, usec);
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}
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/**
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***
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**/
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uint8_t* tr_loadFile(char const* path, size_t* size, tr_error** error)
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{
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uint8_t* buf;
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tr_sys_path_info info;
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tr_sys_file_t fd;
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tr_error* my_error = NULL;
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char const* const err_fmt = _("Couldn't read \"%1$s\": %2$s");
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/* try to stat the file */
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if (!tr_sys_path_get_info(path, 0, &info, &my_error))
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{
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tr_logAddDebug(err_fmt, path, my_error->message);
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tr_error_propagate(error, &my_error);
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return NULL;
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}
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if (info.type != TR_SYS_PATH_IS_FILE)
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{
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tr_logAddError(err_fmt, path, _("Not a regular file"));
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tr_error_set_literal(error, TR_ERROR_EISDIR, _("Not a regular file"));
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return NULL;
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}
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/* file size should be able to fit into size_t */
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if (sizeof(info.size) > sizeof(*size))
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{
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TR_ASSERT(info.size <= SIZE_MAX);
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}
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/* Load the torrent file into our buffer */
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fd = tr_sys_file_open(path, TR_SYS_FILE_READ | TR_SYS_FILE_SEQUENTIAL, 0, &my_error);
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if (fd == TR_BAD_SYS_FILE)
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{
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tr_logAddError(err_fmt, path, my_error->message);
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tr_error_propagate(error, &my_error);
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return NULL;
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}
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buf = tr_malloc(info.size + 1);
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if (!tr_sys_file_read(fd, buf, info.size, NULL, &my_error))
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{
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tr_logAddError(err_fmt, path, my_error->message);
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tr_sys_file_close(fd, NULL);
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free(buf);
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tr_error_propagate(error, &my_error);
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return NULL;
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}
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tr_sys_file_close(fd, NULL);
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buf[info.size] = '\0';
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*size = info.size;
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return buf;
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}
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char* tr_buildPath(char const* first_element, ...)
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{
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char const* element;
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char* buf;
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char* pch;
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va_list vl;
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size_t bufLen = 0;
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/* pass 1: allocate enough space for the string */
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va_start(vl, first_element);
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element = first_element;
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while (element != NULL)
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{
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bufLen += strlen(element) + 1;
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element = va_arg(vl, char const*);
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}
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pch = buf = tr_new(char, bufLen);
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va_end(vl);
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if (buf == NULL)
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{
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return NULL;
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}
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/* pass 2: build the string piece by piece */
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va_start(vl, first_element);
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element = first_element;
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while (element != NULL)
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{
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size_t const elementLen = strlen(element);
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memcpy(pch, element, elementLen);
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pch += elementLen;
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*pch++ = TR_PATH_DELIMITER;
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element = va_arg(vl, char const*);
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}
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va_end(vl);
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/* terminate the string. if nonempty, eat the unwanted trailing slash */
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if (pch != buf)
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{
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--pch;
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}
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*pch++ = '\0';
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/* sanity checks & return */
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TR_ASSERT(pch - buf == (ptrdiff_t)bufLen);
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return buf;
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}
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int64_t tr_getDirFreeSpace(char const* dir)
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{
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int64_t free_space;
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if (tr_str_is_empty(dir))
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{
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errno = EINVAL;
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free_space = -1;
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}
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else
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{
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struct tr_device_info* info;
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info = tr_device_info_create(dir);
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free_space = tr_device_info_get_free_space(info);
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tr_device_info_free(info);
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}
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return free_space;
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}
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/****
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*****
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****/
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char* evbuffer_free_to_str(struct evbuffer* buf, size_t* result_len)
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{
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size_t const n = evbuffer_get_length(buf);
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char* ret = tr_new(char, n + 1);
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evbuffer_copyout(buf, ret, n);
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evbuffer_free(buf);
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ret[n] = '\0';
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if (result_len != NULL)
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{
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*result_len = n;
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}
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return ret;
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}
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char* tr_strdup(void const* in)
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{
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return tr_strndup(in, in != NULL ? strlen(in) : 0);
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}
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char* tr_strndup(void const* in, size_t len)
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{
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char* out = NULL;
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if (len == TR_BAD_SIZE)
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{
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out = tr_strdup(in);
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}
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else if (in != NULL)
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{
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out = tr_malloc(len + 1);
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if (out != NULL)
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{
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memcpy(out, in, len);
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out[len] = '\0';
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}
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}
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return out;
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}
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char const* tr_memmem(char const* haystack, size_t haystacklen, char const* needle, size_t needlelen)
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{
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#ifdef HAVE_MEMMEM
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return memmem(haystack, haystacklen, needle, needlelen);
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#else
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if (needlelen == 0)
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{
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return haystack;
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}
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if (needlelen > haystacklen || haystack == NULL || needle == NULL)
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{
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return NULL;
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}
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for (size_t i = 0; i <= haystacklen - needlelen; ++i)
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{
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if (memcmp(haystack + i, needle, needlelen) == 0)
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{
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return haystack + i;
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}
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}
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return NULL;
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#endif
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}
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char const* tr_strcasestr(char const* haystack, char const* needle)
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{
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#ifdef HAVE_STRCASESTR
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return strcasestr(haystack, needle);
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#elif defined(_WIN32)
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return StrStrIA(haystack, needle);
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#else
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#error please open a PR to implement tr_strcasestr() for your platform
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#endif
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}
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char* tr_strdup_printf(char const* fmt, ...)
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{
|
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va_list ap;
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char* ret;
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va_start(ap, fmt);
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ret = tr_strdup_vprintf(fmt, ap);
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va_end(ap);
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return ret;
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}
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char* tr_strdup_vprintf(char const* fmt, va_list args)
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{
|
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struct evbuffer* buf = evbuffer_new();
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evbuffer_add_vprintf(buf, fmt, args);
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return evbuffer_free_to_str(buf, NULL);
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}
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char const* tr_strerror(int i)
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{
|
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char const* ret = strerror(i);
|
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|
|
if (ret == NULL)
|
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{
|
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ret = "Unknown Error";
|
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}
|
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|
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return ret;
|
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}
|
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|
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int tr_strcmp0(char const* str1, char const* str2)
|
|
{
|
|
if (str1 != NULL && str2 != NULL)
|
|
{
|
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return strcmp(str1, str2);
|
|
}
|
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|
|
if (str1 != NULL)
|
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{
|
|
return 1;
|
|
}
|
|
|
|
if (str2 != NULL)
|
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{
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/****
|
|
*****
|
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****/
|
|
|
|
/* https://bugs.launchpad.net/percona-patches/+bug/526863/+attachment/1160199/+files/solaris_10_fix.patch */
|
|
char* tr_strsep(char** str, char const* delims)
|
|
{
|
|
#ifdef HAVE_STRSEP
|
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|
|
return strsep(str, delims);
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|
|
#else
|
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|
|
char* token;
|
|
|
|
if (*str == NULL) /* no more tokens */
|
|
{
|
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return NULL;
|
|
}
|
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|
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token = *str;
|
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|
|
while (**str != '\0')
|
|
{
|
|
if (strchr(delims, **str) != NULL)
|
|
{
|
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**str = '\0';
|
|
(*str)++;
|
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return token;
|
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}
|
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|
|
(*str)++;
|
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}
|
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|
|
/* there is not another token */
|
|
*str = NULL;
|
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|
|
return token;
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|
|
#endif
|
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}
|
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|
|
char* tr_strjoin(char const* const* arr, size_t len, char const* delim)
|
|
{
|
|
size_t total_len = 1;
|
|
size_t delim_len = strlen(delim);
|
|
for (size_t i = 0; i < len; ++i)
|
|
{
|
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total_len += strlen(arr[i]);
|
|
}
|
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|
|
total_len += len > 0 ? (len - 1) * delim_len : 0;
|
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|
|
char* const ret = tr_new(char, total_len);
|
|
char* p = ret;
|
|
|
|
for (size_t i = 0; i < len; ++i)
|
|
{
|
|
if (i > 0)
|
|
{
|
|
memcpy(p, delim, delim_len);
|
|
p += delim_len;
|
|
}
|
|
|
|
size_t const part_len = strlen(arr[i]);
|
|
memcpy(p, arr[i], part_len);
|
|
p += part_len;
|
|
}
|
|
|
|
*p = '\0';
|
|
return ret;
|
|
}
|
|
|
|
char* tr_strstrip(char* str)
|
|
{
|
|
if (str != NULL)
|
|
{
|
|
size_t len = strlen(str);
|
|
|
|
while (len != 0 && isspace(str[len - 1]))
|
|
{
|
|
--len;
|
|
}
|
|
|
|
size_t pos = 0;
|
|
|
|
while (pos < len && isspace(str[pos]))
|
|
{
|
|
++pos;
|
|
}
|
|
|
|
len -= pos;
|
|
memmove(str, str + pos, len);
|
|
str[len] = '\0';
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
bool tr_str_has_suffix(char const* str, char const* suffix)
|
|
{
|
|
size_t str_len;
|
|
size_t suffix_len;
|
|
|
|
if (str == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (suffix == NULL)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
str_len = strlen(str);
|
|
suffix_len = strlen(suffix);
|
|
|
|
if (str_len < suffix_len)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return evutil_ascii_strncasecmp(str + str_len - suffix_len, suffix, suffix_len) == 0;
|
|
}
|
|
|
|
/****
|
|
*****
|
|
****/
|
|
|
|
uint64_t tr_time_msec(void)
|
|
{
|
|
struct timeval tv;
|
|
|
|
tr_gettimeofday(&tv);
|
|
return (uint64_t)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
|
|
}
|
|
|
|
void tr_wait_msec(long int msec)
|
|
{
|
|
#ifdef _WIN32
|
|
|
|
Sleep((DWORD)msec);
|
|
|
|
#else
|
|
|
|
struct timespec ts;
|
|
ts.tv_sec = msec / 1000;
|
|
ts.tv_nsec = (msec % 1000) * 1000000;
|
|
nanosleep(&ts, NULL);
|
|
|
|
#endif
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
int tr_snprintf(void* buf, size_t buflen, char const* fmt, ...)
|
|
{
|
|
int len;
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
len = evutil_vsnprintf(buf, buflen, fmt, args);
|
|
va_end(args);
|
|
return len;
|
|
}
|
|
|
|
/*
|
|
* Copy src to string dst of size siz. At most siz-1 characters
|
|
* will be copied. Always NUL terminates (unless siz == 0).
|
|
* Returns strlen (src); if retval >= siz, truncation occurred.
|
|
*/
|
|
size_t tr_strlcpy(void* dst, void const* src, size_t siz)
|
|
{
|
|
TR_ASSERT(dst != NULL);
|
|
TR_ASSERT(src != NULL);
|
|
|
|
#ifdef HAVE_STRLCPY
|
|
|
|
return strlcpy(dst, src, siz);
|
|
|
|
#else
|
|
|
|
char* d = dst;
|
|
char const* s = src;
|
|
size_t n = siz;
|
|
|
|
/* Copy as many bytes as will fit */
|
|
if (n != 0)
|
|
{
|
|
while (--n != 0)
|
|
{
|
|
if ((*d++ = *s++) == '\0')
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Not enough room in dst, add NUL and traverse rest of src */
|
|
if (n == 0)
|
|
{
|
|
if (siz != 0)
|
|
{
|
|
*d = '\0'; /* NUL-terminate dst */
|
|
}
|
|
|
|
while (*s++ != '\0')
|
|
{
|
|
}
|
|
}
|
|
|
|
return s - (char const*)src - 1; /* count does not include NUL */
|
|
|
|
#endif
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
double tr_getRatio(uint64_t numerator, uint64_t denominator)
|
|
{
|
|
double ratio;
|
|
|
|
if (denominator > 0)
|
|
{
|
|
ratio = numerator / (double)denominator;
|
|
}
|
|
else if (numerator > 0)
|
|
{
|
|
ratio = TR_RATIO_INF;
|
|
}
|
|
else
|
|
{
|
|
ratio = TR_RATIO_NA;
|
|
}
|
|
|
|
return ratio;
|
|
}
|
|
|
|
void tr_binary_to_hex(void const* vinput, void* voutput, size_t byte_length)
|
|
{
|
|
static char const hex[] = "0123456789abcdef";
|
|
|
|
uint8_t const* input = vinput;
|
|
char* output = voutput;
|
|
|
|
/* go from back to front to allow for in-place conversion */
|
|
input += byte_length;
|
|
output += byte_length * 2;
|
|
|
|
*output = '\0';
|
|
|
|
while (byte_length-- > 0)
|
|
{
|
|
unsigned int const val = *(--input);
|
|
*(--output) = hex[val & 0xf];
|
|
*(--output) = hex[val >> 4];
|
|
}
|
|
}
|
|
|
|
void tr_hex_to_binary(void const* vinput, void* voutput, size_t byte_length)
|
|
{
|
|
static char const hex[] = "0123456789abcdef";
|
|
|
|
uint8_t const* input = (uint8_t const*)vinput;
|
|
uint8_t* output = voutput;
|
|
|
|
for (size_t i = 0; i < byte_length; ++i)
|
|
{
|
|
int const hi = strchr(hex, tolower(*input++)) - hex;
|
|
int const lo = strchr(hex, tolower(*input++)) - hex;
|
|
*output++ = (uint8_t)((hi << 4) | lo);
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static bool isValidURLChars(char const* url, size_t url_len)
|
|
{
|
|
static char const rfc2396_valid_chars
|
|
[] = "abcdefghijklmnopqrstuvwxyz" /* lowalpha */
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" /* upalpha */
|
|
"0123456789" /* digit */
|
|
"-_.!~*'()" /* mark */
|
|
";/?:@&=+$," /* reserved */
|
|
"<>#%<\"" /* delims */
|
|
"{}|\\^[]`"; /* unwise */
|
|
|
|
if (url == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
for (char const *c = url, *end = url + url_len; c < end && *c != '\0'; ++c)
|
|
{
|
|
if (memchr(rfc2396_valid_chars, *c, sizeof(rfc2396_valid_chars) - 1) == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool tr_urlIsValidTracker(char const* url)
|
|
{
|
|
if (url == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
size_t const url_len = strlen(url);
|
|
|
|
return isValidURLChars(url, url_len) && tr_urlParse(url, url_len, NULL, NULL, NULL, NULL) &&
|
|
(memcmp(url, "http://", 7) == 0 || memcmp(url, "https://", 8) == 0 || memcmp(url, "udp://", 6) == 0);
|
|
}
|
|
|
|
bool tr_urlIsValid(char const* url, size_t url_len)
|
|
{
|
|
if (url == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (url_len == TR_BAD_SIZE)
|
|
{
|
|
url_len = strlen(url);
|
|
}
|
|
|
|
return isValidURLChars(url, url_len) && tr_urlParse(url, url_len, NULL, NULL, NULL, NULL) &&
|
|
(memcmp(url, "http://", 7) == 0 || memcmp(url, "https://", 8) == 0 || memcmp(url, "ftp://", 6) == 0 ||
|
|
memcmp(url, "sftp://", 7) == 0);
|
|
}
|
|
|
|
bool tr_addressIsIP(char const* str)
|
|
{
|
|
tr_address tmp;
|
|
return tr_address_from_string(&tmp, str);
|
|
}
|
|
|
|
static int parse_port(char const* port, size_t port_len)
|
|
{
|
|
char* tmp = tr_strndup(port, port_len);
|
|
char* end;
|
|
|
|
long port_num = strtol(tmp, &end, 10);
|
|
|
|
if (*end != '\0' || port_num <= 0 || port_num >= 65536)
|
|
{
|
|
port_num = -1;
|
|
}
|
|
|
|
tr_free(tmp);
|
|
|
|
return (int)port_num;
|
|
}
|
|
|
|
static int get_port_for_scheme(char const* scheme, size_t scheme_len)
|
|
{
|
|
struct known_scheme
|
|
{
|
|
char const* name;
|
|
int port;
|
|
};
|
|
|
|
static struct known_scheme const known_schemes[] = {
|
|
{ "udp", 80 }, //
|
|
{ "ftp", 21 }, //
|
|
{ "sftp", 22 }, //
|
|
{ "http", 80 }, //
|
|
{ "https", 443 }, //
|
|
{ NULL, 0 }, //
|
|
};
|
|
|
|
for (struct known_scheme const* s = known_schemes; s->name != NULL; ++s)
|
|
{
|
|
if (scheme_len == strlen(s->name) && memcmp(scheme, s->name, scheme_len) == 0)
|
|
{
|
|
return s->port;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
bool tr_urlParse(char const* url, size_t url_len, char** setme_scheme, char** setme_host, int* setme_port, char** setme_path)
|
|
{
|
|
if (url_len == TR_BAD_SIZE)
|
|
{
|
|
url_len = strlen(url);
|
|
}
|
|
|
|
char const* scheme = url;
|
|
char const* scheme_end = tr_memmem(scheme, url_len, "://", 3);
|
|
|
|
if (scheme_end == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
size_t const scheme_len = scheme_end - scheme;
|
|
|
|
if (scheme_len == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
url += scheme_len + 3;
|
|
url_len -= scheme_len + 3;
|
|
|
|
char const* authority = url;
|
|
char const* authority_end = memchr(authority, '/', url_len);
|
|
|
|
if (authority_end == NULL)
|
|
{
|
|
authority_end = authority + url_len;
|
|
}
|
|
|
|
size_t const authority_len = authority_end - authority;
|
|
|
|
if (authority_len == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
url += authority_len;
|
|
url_len -= authority_len;
|
|
|
|
char const* host_end = memchr(authority, ':', authority_len);
|
|
|
|
size_t const host_len = host_end != NULL ? (size_t)(host_end - authority) : authority_len;
|
|
|
|
if (host_len == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
size_t const port_len = host_end != NULL ? authority_end - host_end - 1 : 0;
|
|
|
|
if (setme_scheme != NULL)
|
|
{
|
|
*setme_scheme = tr_strndup(scheme, scheme_len);
|
|
}
|
|
|
|
if (setme_host != NULL)
|
|
{
|
|
*setme_host = tr_strndup(authority, host_len);
|
|
}
|
|
|
|
if (setme_port != NULL)
|
|
{
|
|
*setme_port = port_len > 0 ? parse_port(host_end + 1, port_len) : get_port_for_scheme(scheme, scheme_len);
|
|
}
|
|
|
|
if (setme_path != NULL)
|
|
{
|
|
if (url[0] == '\0')
|
|
{
|
|
*setme_path = tr_strdup("/");
|
|
}
|
|
else
|
|
{
|
|
*setme_path = tr_strndup(url, url_len);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_removeElementFromArray(void* array, size_t index_to_remove, size_t sizeof_element, size_t nmemb)
|
|
{
|
|
char* a = array;
|
|
|
|
memmove(
|
|
a + sizeof_element * index_to_remove,
|
|
a + sizeof_element * (index_to_remove + 1),
|
|
sizeof_element * (--nmemb - index_to_remove));
|
|
}
|
|
|
|
int tr_lowerBound(
|
|
void const* key,
|
|
void const* base,
|
|
size_t nmemb,
|
|
size_t size,
|
|
tr_voidptr_compare_func compar,
|
|
bool* exact_match)
|
|
{
|
|
size_t first = 0;
|
|
char const* cbase = base;
|
|
bool exact = false;
|
|
|
|
while (nmemb != 0)
|
|
{
|
|
size_t const half = nmemb / 2;
|
|
size_t const middle = first + half;
|
|
int const c = (*compar)(key, cbase + size * middle);
|
|
|
|
if (c <= 0)
|
|
{
|
|
if (c == 0)
|
|
{
|
|
exact = true;
|
|
}
|
|
|
|
nmemb = half;
|
|
}
|
|
else
|
|
{
|
|
first = middle + 1;
|
|
nmemb = nmemb - half - 1;
|
|
}
|
|
}
|
|
|
|
*exact_match = exact;
|
|
return first;
|
|
}
|
|
|
|
/***
|
|
****
|
|
****
|
|
***/
|
|
|
|
/* Byte-wise swap two items of size SIZE.
|
|
From glibc, written by Douglas C. Schmidt, LGPL 2.1 or higher */
|
|
#define SWAP(a, b, size) \
|
|
do \
|
|
{ \
|
|
register size_t __size = (size); \
|
|
register char* __a = (a); \
|
|
register char* __b = (b); \
|
|
if (__a != __b) \
|
|
{ \
|
|
do \
|
|
{ \
|
|
char __tmp = *__a; \
|
|
*__a++ = *__b; \
|
|
*__b++ = __tmp; \
|
|
} while (--__size > 0); \
|
|
} \
|
|
} while (0)
|
|
|
|
static size_t quickfindPartition(
|
|
char* base,
|
|
size_t left,
|
|
size_t right,
|
|
size_t size,
|
|
tr_voidptr_compare_func compar,
|
|
size_t pivotIndex)
|
|
{
|
|
size_t storeIndex;
|
|
|
|
/* move pivot to the end */
|
|
SWAP(base + (size * pivotIndex), base + (size * right), size);
|
|
|
|
storeIndex = left;
|
|
|
|
for (size_t i = left; i < right; ++i)
|
|
{
|
|
if ((*compar)(base + (size * i), base + (size * right)) <= 0)
|
|
{
|
|
SWAP(base + (size * storeIndex), base + (size * i), size);
|
|
++storeIndex;
|
|
}
|
|
}
|
|
|
|
/* move pivot to its final place */
|
|
SWAP(base + (size * right), base + (size * storeIndex), size);
|
|
|
|
/* sanity check the partition */
|
|
#ifdef TR_ENABLE_ASSERTS
|
|
|
|
TR_ASSERT(storeIndex >= left);
|
|
TR_ASSERT(storeIndex <= right);
|
|
|
|
for (size_t i = left; i < storeIndex; ++i)
|
|
{
|
|
TR_ASSERT((*compar)(base + (size * i), base + (size * storeIndex)) <= 0);
|
|
}
|
|
|
|
for (size_t i = storeIndex + 1; i <= right; ++i)
|
|
{
|
|
TR_ASSERT((*compar)(base + (size * i), base + (size * storeIndex)) >= 0);
|
|
}
|
|
|
|
#endif
|
|
|
|
return storeIndex;
|
|
}
|
|
|
|
static void quickfindFirstK(char* base, size_t left, size_t right, size_t size, tr_voidptr_compare_func compar, size_t k)
|
|
{
|
|
if (right > left)
|
|
{
|
|
size_t const pivotIndex = left + (right - left) / 2U;
|
|
|
|
size_t const pivotNewIndex = quickfindPartition(base, left, right, size, compar, pivotIndex);
|
|
|
|
if (pivotNewIndex > left + k) /* new condition */
|
|
{
|
|
quickfindFirstK(base, left, pivotNewIndex - 1, size, compar, k);
|
|
}
|
|
else if (pivotNewIndex < left + k)
|
|
{
|
|
quickfindFirstK(base, pivotNewIndex + 1, right, size, compar, k + left - pivotNewIndex - 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef TR_ENABLE_ASSERTS
|
|
|
|
static void checkBestScoresComeFirst(char* base, size_t nmemb, size_t size, tr_voidptr_compare_func compar, size_t k)
|
|
{
|
|
size_t worstFirstPos = 0;
|
|
|
|
for (size_t i = 1; i < k; ++i)
|
|
{
|
|
if ((*compar)(base + (size * worstFirstPos), base + (size * i)) < 0)
|
|
{
|
|
worstFirstPos = i;
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < k; ++i)
|
|
{
|
|
TR_ASSERT((*compar)(base + (size * i), base + (size * worstFirstPos)) <= 0);
|
|
}
|
|
|
|
for (size_t i = k; i < nmemb; ++i)
|
|
{
|
|
TR_ASSERT((*compar)(base + (size * i), base + (size * worstFirstPos)) >= 0);
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
void tr_quickfindFirstK(void* base, size_t nmemb, size_t size, tr_voidptr_compare_func compar, size_t k)
|
|
{
|
|
if (k < nmemb)
|
|
{
|
|
quickfindFirstK(base, 0, nmemb - 1, size, compar, k);
|
|
|
|
#ifdef TR_ENABLE_ASSERTS
|
|
checkBestScoresComeFirst(base, nmemb, size, compar, k);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static char* strip_non_utf8(char const* in, size_t inlen)
|
|
{
|
|
char const* end;
|
|
struct evbuffer* buf = evbuffer_new();
|
|
|
|
while (!tr_utf8_validate(in, inlen, &end))
|
|
{
|
|
int const good_len = end - in;
|
|
|
|
evbuffer_add(buf, in, good_len);
|
|
inlen -= (good_len + 1);
|
|
in += (good_len + 1);
|
|
evbuffer_add(buf, "?", 1);
|
|
}
|
|
|
|
evbuffer_add(buf, in, inlen);
|
|
return evbuffer_free_to_str(buf, NULL);
|
|
}
|
|
|
|
static char* to_utf8(char const* in, size_t inlen)
|
|
{
|
|
char* ret = NULL;
|
|
|
|
#ifdef HAVE_ICONV
|
|
|
|
char const* encodings[] = { "CURRENT", "ISO-8859-15" };
|
|
size_t const buflen = inlen * 4 + 10;
|
|
char* out = tr_new(char, buflen);
|
|
|
|
for (size_t i = 0; ret == NULL && i < TR_N_ELEMENTS(encodings); ++i)
|
|
{
|
|
#ifdef ICONV_SECOND_ARGUMENT_IS_CONST
|
|
char const* inbuf = in;
|
|
#else
|
|
char* inbuf = (char*)in;
|
|
#endif
|
|
char* outbuf = out;
|
|
size_t inbytesleft = inlen;
|
|
size_t outbytesleft = buflen;
|
|
char const* test_encoding = encodings[i];
|
|
|
|
iconv_t cd = iconv_open("UTF-8", test_encoding);
|
|
|
|
if (cd != (iconv_t)-1)
|
|
{
|
|
if (iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft) != (size_t)-1)
|
|
{
|
|
ret = tr_strndup(out, buflen - outbytesleft);
|
|
}
|
|
|
|
iconv_close(cd);
|
|
}
|
|
}
|
|
|
|
tr_free(out);
|
|
|
|
#endif
|
|
|
|
if (ret == NULL)
|
|
{
|
|
ret = strip_non_utf8(in, inlen);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
char* tr_utf8clean(char const* str, size_t max_len)
|
|
{
|
|
char* ret;
|
|
char const* end;
|
|
|
|
if (max_len == TR_BAD_SIZE)
|
|
{
|
|
max_len = strlen(str);
|
|
}
|
|
|
|
if (tr_utf8_validate(str, max_len, &end))
|
|
{
|
|
ret = tr_strndup(str, max_len);
|
|
}
|
|
else
|
|
{
|
|
ret = to_utf8(str, max_len);
|
|
}
|
|
|
|
TR_ASSERT(tr_utf8_validate(ret, TR_BAD_SIZE, NULL));
|
|
return ret;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
char* tr_win32_native_to_utf8(wchar_t const* text, int text_size)
|
|
{
|
|
return tr_win32_native_to_utf8_ex(text, text_size, 0, 0, NULL);
|
|
}
|
|
|
|
char* tr_win32_native_to_utf8_ex(
|
|
wchar_t const* text,
|
|
int text_size,
|
|
int extra_chars_before,
|
|
int extra_chars_after,
|
|
int* real_result_size)
|
|
{
|
|
char* ret = NULL;
|
|
int size;
|
|
|
|
if (text_size == -1)
|
|
{
|
|
text_size = wcslen(text);
|
|
}
|
|
|
|
size = WideCharToMultiByte(CP_UTF8, 0, text, text_size, NULL, 0, NULL, NULL);
|
|
|
|
if (size == 0)
|
|
{
|
|
goto fail;
|
|
}
|
|
|
|
ret = tr_new(char, size + extra_chars_before + extra_chars_after + 1);
|
|
size = WideCharToMultiByte(CP_UTF8, 0, text, text_size, ret + extra_chars_before, size, NULL, NULL);
|
|
|
|
if (size == 0)
|
|
{
|
|
goto fail;
|
|
}
|
|
|
|
ret[size + extra_chars_before + extra_chars_after] = '\0';
|
|
|
|
if (real_result_size != NULL)
|
|
{
|
|
*real_result_size = size;
|
|
}
|
|
|
|
return ret;
|
|
|
|
fail:
|
|
tr_free(ret);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
wchar_t* tr_win32_utf8_to_native(char const* text, int text_size)
|
|
{
|
|
return tr_win32_utf8_to_native_ex(text, text_size, 0, 0, NULL);
|
|
}
|
|
|
|
wchar_t* tr_win32_utf8_to_native_ex(
|
|
char const* text,
|
|
int text_size,
|
|
int extra_chars_before,
|
|
int extra_chars_after,
|
|
int* real_result_size)
|
|
{
|
|
wchar_t* ret = NULL;
|
|
int size;
|
|
|
|
if (text_size == -1)
|
|
{
|
|
text_size = strlen(text);
|
|
}
|
|
|
|
size = MultiByteToWideChar(CP_UTF8, 0, text, text_size, NULL, 0);
|
|
|
|
if (size == 0)
|
|
{
|
|
goto fail;
|
|
}
|
|
|
|
ret = tr_new(wchar_t, size + extra_chars_before + extra_chars_after + 1);
|
|
size = MultiByteToWideChar(CP_UTF8, 0, text, text_size, ret + extra_chars_before, size);
|
|
|
|
if (size == 0)
|
|
{
|
|
goto fail;
|
|
}
|
|
|
|
ret[size + extra_chars_before + extra_chars_after] = L'\0';
|
|
|
|
if (real_result_size != NULL)
|
|
{
|
|
*real_result_size = size;
|
|
}
|
|
|
|
return ret;
|
|
|
|
fail:
|
|
tr_free(ret);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
char* tr_win32_format_message(uint32_t code)
|
|
{
|
|
wchar_t* wide_text = NULL;
|
|
DWORD wide_size;
|
|
char* text = NULL;
|
|
size_t text_size;
|
|
|
|
wide_size = FormatMessageW(
|
|
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
NULL,
|
|
code,
|
|
0,
|
|
(LPWSTR)&wide_text,
|
|
0,
|
|
NULL);
|
|
|
|
if (wide_size == 0)
|
|
{
|
|
return tr_strdup_printf("Unknown error (0x%08x)", code);
|
|
}
|
|
|
|
if (wide_size != 0 && wide_text != NULL)
|
|
{
|
|
text = tr_win32_native_to_utf8(wide_text, wide_size);
|
|
}
|
|
|
|
LocalFree(wide_text);
|
|
|
|
if (text != NULL)
|
|
{
|
|
/* Most (all?) messages contain "\r\n" in the end, chop it */
|
|
text_size = strlen(text);
|
|
|
|
while (text_size > 0 && isspace((uint8_t)text[text_size - 1]))
|
|
{
|
|
text[--text_size] = '\0';
|
|
}
|
|
}
|
|
|
|
return text;
|
|
}
|
|
|
|
void tr_win32_make_args_utf8(int* argc, char*** argv)
|
|
{
|
|
int my_argc;
|
|
wchar_t** my_wide_argv;
|
|
|
|
my_wide_argv = CommandLineToArgvW(GetCommandLineW(), &my_argc);
|
|
|
|
if (my_wide_argv == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
TR_ASSERT(*argc == my_argc);
|
|
|
|
char** my_argv = tr_new(char*, my_argc + 1);
|
|
int processed_argc = 0;
|
|
|
|
for (int i = 0; i < my_argc; ++i, ++processed_argc)
|
|
{
|
|
my_argv[i] = tr_win32_native_to_utf8(my_wide_argv[i], -1);
|
|
|
|
if (my_argv[i] == NULL)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (processed_argc < my_argc)
|
|
{
|
|
for (int i = 0; i < processed_argc; ++i)
|
|
{
|
|
tr_free(my_argv[i]);
|
|
}
|
|
|
|
tr_free(my_argv);
|
|
}
|
|
else
|
|
{
|
|
my_argv[my_argc] = NULL;
|
|
|
|
*argc = my_argc;
|
|
*argv = my_argv;
|
|
|
|
/* TODO: Add atexit handler to cleanup? */
|
|
}
|
|
|
|
LocalFree(my_wide_argv);
|
|
}
|
|
|
|
int tr_main_win32(int argc, char** argv, int (*real_main)(int, char**))
|
|
{
|
|
tr_win32_make_args_utf8(&argc, &argv);
|
|
SetConsoleCP(CP_UTF8);
|
|
SetConsoleOutputCP(CP_UTF8);
|
|
return (*real_main)(argc, argv);
|
|
}
|
|
|
|
#endif
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
struct number_range
|
|
{
|
|
int low;
|
|
int high;
|
|
};
|
|
|
|
/**
|
|
* This should be a single number (ex. "6") or a range (ex. "6-9").
|
|
* Anything else is an error and will return failure.
|
|
*/
|
|
static bool parseNumberSection(char const* str, size_t len, struct number_range* setme)
|
|
{
|
|
long a;
|
|
long b;
|
|
bool success;
|
|
char* end;
|
|
int const error = errno;
|
|
char* tmp = tr_strndup(str, len);
|
|
|
|
errno = 0;
|
|
a = b = strtol(tmp, &end, 10);
|
|
|
|
if (errno != 0 || end == tmp)
|
|
{
|
|
success = false;
|
|
}
|
|
else if (*end != '-')
|
|
{
|
|
success = true;
|
|
}
|
|
else
|
|
{
|
|
char const* pch = end + 1;
|
|
b = strtol(pch, &end, 10);
|
|
|
|
if (errno != 0 || pch == end)
|
|
{
|
|
success = false;
|
|
}
|
|
else if (*end != '\0') /* trailing data */
|
|
{
|
|
success = false;
|
|
}
|
|
else
|
|
{
|
|
success = true;
|
|
}
|
|
}
|
|
|
|
tr_free(tmp);
|
|
|
|
setme->low = MIN(a, b);
|
|
setme->high = MAX(a, b);
|
|
|
|
errno = error;
|
|
return success;
|
|
}
|
|
|
|
int compareInt(void const* va, void const* vb)
|
|
{
|
|
int const a = *(int const*)va;
|
|
int const b = *(int const*)vb;
|
|
return a - b;
|
|
}
|
|
|
|
/**
|
|
* Given a string like "1-4" or "1-4,6,9,14-51", this allocates and returns an
|
|
* array of setmeCount ints of all the values in the array.
|
|
* For example, "5-8" will return [ 5, 6, 7, 8 ] and setmeCount will be 4.
|
|
* It's the caller's responsibility to call tr_free () on the returned array.
|
|
* If a fragment of the string can't be parsed, NULL is returned.
|
|
*/
|
|
int* tr_parseNumberRange(char const* str_in, size_t len, int* setmeCount)
|
|
{
|
|
int n = 0;
|
|
int* uniq = NULL;
|
|
char* str = tr_strndup(str_in, len);
|
|
char const* walk;
|
|
tr_list* ranges = NULL;
|
|
bool success = true;
|
|
|
|
walk = str;
|
|
|
|
while (!tr_str_is_empty(walk) && success)
|
|
{
|
|
struct number_range range;
|
|
char const* pch = strchr(walk, ',');
|
|
|
|
if (pch != NULL)
|
|
{
|
|
success = parseNumberSection(walk, (size_t)(pch - walk), &range);
|
|
walk = pch + 1;
|
|
}
|
|
else
|
|
{
|
|
success = parseNumberSection(walk, strlen(walk), &range);
|
|
walk += strlen(walk);
|
|
}
|
|
|
|
if (success)
|
|
{
|
|
tr_list_append(&ranges, tr_memdup(&range, sizeof(struct number_range)));
|
|
}
|
|
}
|
|
|
|
if (!success)
|
|
{
|
|
*setmeCount = 0;
|
|
uniq = NULL;
|
|
}
|
|
else
|
|
{
|
|
int n2;
|
|
int* sorted = NULL;
|
|
|
|
/* build a sorted number array */
|
|
n = n2 = 0;
|
|
|
|
for (tr_list* l = ranges; l != NULL; l = l->next)
|
|
{
|
|
struct number_range const* r = l->data;
|
|
n += r->high + 1 - r->low;
|
|
}
|
|
|
|
sorted = tr_new(int, n);
|
|
|
|
if (sorted == NULL)
|
|
{
|
|
n = 0;
|
|
uniq = NULL;
|
|
}
|
|
else
|
|
{
|
|
for (tr_list* l = ranges; l != NULL; l = l->next)
|
|
{
|
|
struct number_range const* r = l->data;
|
|
|
|
for (int i = r->low; i <= r->high; ++i)
|
|
{
|
|
sorted[n2++] = i;
|
|
}
|
|
}
|
|
|
|
qsort(sorted, n, sizeof(int), compareInt);
|
|
TR_ASSERT(n == n2);
|
|
|
|
/* remove duplicates */
|
|
uniq = tr_new(int, n);
|
|
n = 0;
|
|
|
|
if (uniq != NULL)
|
|
{
|
|
for (int i = 0; i < n2; ++i)
|
|
{
|
|
if (n == 0 || uniq[n - 1] != sorted[i])
|
|
{
|
|
uniq[n++] = sorted[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
tr_free(sorted);
|
|
}
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_list_free(&ranges, tr_free);
|
|
tr_free(str);
|
|
|
|
/* return the result */
|
|
*setmeCount = n;
|
|
return uniq;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
double tr_truncd(double x, int precision)
|
|
{
|
|
char* pt;
|
|
char buf[128];
|
|
tr_snprintf(buf, sizeof(buf), "%.*f", TR_ARG_TUPLE(DBL_DIG, x));
|
|
|
|
if ((pt = strstr(buf, localeconv()->decimal_point)) != NULL)
|
|
{
|
|
pt[precision != 0 ? precision + 1 : 0] = '\0';
|
|
}
|
|
|
|
return atof(buf);
|
|
}
|
|
|
|
/* return a truncated double as a string */
|
|
static char* tr_strtruncd(char* buf, double x, int precision, size_t buflen)
|
|
{
|
|
tr_snprintf(buf, buflen, "%.*f", precision, tr_truncd(x, precision));
|
|
return buf;
|
|
}
|
|
|
|
char* tr_strpercent(char* buf, double x, size_t buflen)
|
|
{
|
|
if (x < 100.0)
|
|
{
|
|
tr_strtruncd(buf, x, 1, buflen);
|
|
}
|
|
else
|
|
{
|
|
tr_strtruncd(buf, x, 0, buflen);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
char* tr_strratio(char* buf, size_t buflen, double ratio, char const* infinity)
|
|
{
|
|
if ((int)ratio == TR_RATIO_NA)
|
|
{
|
|
tr_strlcpy(buf, _("None"), buflen);
|
|
}
|
|
else if ((int)ratio == TR_RATIO_INF)
|
|
{
|
|
tr_strlcpy(buf, infinity, buflen);
|
|
}
|
|
else
|
|
{
|
|
tr_strpercent(buf, ratio, buflen);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
bool tr_moveFile(char const* oldpath, char const* newpath, tr_error** error)
|
|
{
|
|
tr_sys_path_info info;
|
|
|
|
/* make sure the old file exists */
|
|
if (!tr_sys_path_get_info(oldpath, 0, &info, error))
|
|
{
|
|
tr_error_prefix(error, "Unable to get information on old file: ");
|
|
return false;
|
|
}
|
|
|
|
if (info.type != TR_SYS_PATH_IS_FILE)
|
|
{
|
|
tr_error_set_literal(error, TR_ERROR_EINVAL, "Old path does not point to a file.");
|
|
return false;
|
|
}
|
|
|
|
/* make sure the target directory exists */
|
|
{
|
|
char* newdir = tr_sys_path_dirname(newpath, error);
|
|
bool const i = newdir != NULL && tr_sys_dir_create(newdir, TR_SYS_DIR_CREATE_PARENTS, 0777, error);
|
|
tr_free(newdir);
|
|
|
|
if (!i)
|
|
{
|
|
tr_error_prefix(error, "Unable to create directory for new file: ");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* they might be on the same filesystem... */
|
|
if (tr_sys_path_rename(oldpath, newpath, NULL))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* Otherwise, copy the file. */
|
|
if (!tr_sys_path_copy(oldpath, newpath, error))
|
|
{
|
|
tr_error_prefix(error, "Unable to copy: ");
|
|
return false;
|
|
}
|
|
|
|
{
|
|
tr_error* my_error = NULL;
|
|
|
|
if (!tr_sys_path_remove(oldpath, &my_error))
|
|
{
|
|
tr_logAddError("Unable to remove file at old path: %s", my_error->message);
|
|
tr_error_free(my_error);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
uint64_t tr_htonll(uint64_t x)
|
|
{
|
|
#ifdef HAVE_HTONLL
|
|
|
|
return htonll(x);
|
|
|
|
#else
|
|
|
|
/* fallback code by bdonlan at http://stackoverflow.com/questions/809902/64-bit-ntohl-in-c/875505#875505 */
|
|
union
|
|
{
|
|
uint32_t lx[2];
|
|
uint64_t llx;
|
|
} u;
|
|
u.lx[0] = htonl(x >> 32);
|
|
u.lx[1] = htonl(x & 0xFFFFFFFFULL);
|
|
return u.llx;
|
|
|
|
#endif
|
|
}
|
|
|
|
uint64_t tr_ntohll(uint64_t x)
|
|
{
|
|
#ifdef HAVE_NTOHLL
|
|
|
|
return ntohll(x);
|
|
|
|
#else
|
|
|
|
/* fallback code by bdonlan at http://stackoverflow.com/questions/809902/64-bit-ntohl-in-c/875505#875505 */
|
|
union
|
|
{
|
|
uint32_t lx[2];
|
|
uint64_t llx;
|
|
} u;
|
|
u.llx = x;
|
|
return ((uint64_t)ntohl(u.lx[0]) << 32) | (uint64_t)ntohl(u.lx[1]);
|
|
|
|
#endif
|
|
}
|
|
|
|
/***
|
|
****
|
|
****
|
|
****
|
|
***/
|
|
|
|
struct formatter_unit
|
|
{
|
|
char* name;
|
|
size_t value;
|
|
};
|
|
|
|
struct formatter_units
|
|
{
|
|
struct formatter_unit units[4];
|
|
};
|
|
|
|
enum
|
|
{
|
|
TR_FMT_KB,
|
|
TR_FMT_MB,
|
|
TR_FMT_GB,
|
|
TR_FMT_TB
|
|
};
|
|
|
|
static void formatter_init(
|
|
struct formatter_units* units,
|
|
size_t kilo,
|
|
char const* kb,
|
|
char const* mb,
|
|
char const* gb,
|
|
char const* tb)
|
|
{
|
|
size_t value;
|
|
|
|
value = kilo;
|
|
units->units[TR_FMT_KB].name = tr_strdup(kb);
|
|
units->units[TR_FMT_KB].value = value;
|
|
|
|
value *= kilo;
|
|
units->units[TR_FMT_MB].name = tr_strdup(mb);
|
|
units->units[TR_FMT_MB].value = value;
|
|
|
|
value *= kilo;
|
|
units->units[TR_FMT_GB].name = tr_strdup(gb);
|
|
units->units[TR_FMT_GB].value = value;
|
|
|
|
value *= kilo;
|
|
units->units[TR_FMT_TB].name = tr_strdup(tb);
|
|
units->units[TR_FMT_TB].value = value;
|
|
}
|
|
|
|
static char* formatter_get_size_str(struct formatter_units const* u, char* buf, size_t bytes, size_t buflen)
|
|
{
|
|
int precision;
|
|
double value;
|
|
char const* units;
|
|
struct formatter_unit const* unit;
|
|
|
|
if (bytes < u->units[1].value)
|
|
{
|
|
unit = &u->units[0];
|
|
}
|
|
else if (bytes < u->units[2].value)
|
|
{
|
|
unit = &u->units[1];
|
|
}
|
|
else if (bytes < u->units[3].value)
|
|
{
|
|
unit = &u->units[2];
|
|
}
|
|
else
|
|
{
|
|
unit = &u->units[3];
|
|
}
|
|
|
|
value = (double)bytes / unit->value;
|
|
units = unit->name;
|
|
|
|
if (unit->value == 1)
|
|
{
|
|
precision = 0;
|
|
}
|
|
else if (value < 100)
|
|
{
|
|
precision = 2;
|
|
}
|
|
else
|
|
{
|
|
precision = 1;
|
|
}
|
|
|
|
tr_snprintf(buf, buflen, "%.*f %s", TR_ARG_TUPLE(precision, value), units);
|
|
return buf;
|
|
}
|
|
|
|
static struct formatter_units size_units;
|
|
|
|
void tr_formatter_size_init(size_t kilo, char const* kb, char const* mb, char const* gb, char const* tb)
|
|
{
|
|
formatter_init(&size_units, kilo, kb, mb, gb, tb);
|
|
}
|
|
|
|
char* tr_formatter_size_B(char* buf, size_t bytes, size_t buflen)
|
|
{
|
|
return formatter_get_size_str(&size_units, buf, bytes, buflen);
|
|
}
|
|
|
|
static struct formatter_units speed_units;
|
|
|
|
size_t tr_speed_K = 0;
|
|
|
|
void tr_formatter_speed_init(size_t kilo, char const* kb, char const* mb, char const* gb, char const* tb)
|
|
{
|
|
tr_speed_K = kilo;
|
|
formatter_init(&speed_units, kilo, kb, mb, gb, tb);
|
|
}
|
|
|
|
char* tr_formatter_speed_KBps(char* buf, double KBps, size_t buflen)
|
|
{
|
|
double const K = speed_units.units[TR_FMT_KB].value;
|
|
double speed = KBps;
|
|
|
|
if (speed <= 999.95) /* 0.0 KB to 999.9 KB */
|
|
{
|
|
tr_snprintf(buf, buflen, "%d %s", (int)speed, speed_units.units[TR_FMT_KB].name);
|
|
}
|
|
else
|
|
{
|
|
speed /= K;
|
|
|
|
if (speed <= 99.995) /* 0.98 MB to 99.99 MB */
|
|
{
|
|
tr_snprintf(buf, buflen, "%.2f %s", speed, speed_units.units[TR_FMT_MB].name);
|
|
}
|
|
else if (speed <= 999.95) /* 100.0 MB to 999.9 MB */
|
|
{
|
|
tr_snprintf(buf, buflen, "%.1f %s", speed, speed_units.units[TR_FMT_MB].name);
|
|
}
|
|
else
|
|
{
|
|
tr_snprintf(buf, buflen, "%.1f %s", speed / K, speed_units.units[TR_FMT_GB].name);
|
|
}
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
static struct formatter_units mem_units;
|
|
|
|
size_t tr_mem_K = 0;
|
|
|
|
void tr_formatter_mem_init(size_t kilo, char const* kb, char const* mb, char const* gb, char const* tb)
|
|
{
|
|
tr_mem_K = kilo;
|
|
formatter_init(&mem_units, kilo, kb, mb, gb, tb);
|
|
}
|
|
|
|
char* tr_formatter_mem_B(char* buf, size_t bytes_per_second, size_t buflen)
|
|
{
|
|
return formatter_get_size_str(&mem_units, buf, bytes_per_second, buflen);
|
|
}
|
|
|
|
void tr_formatter_get_units(void* vdict)
|
|
{
|
|
tr_variant* l;
|
|
tr_variant* dict = vdict;
|
|
|
|
tr_variantDictReserve(dict, 6);
|
|
|
|
tr_variantDictAddInt(dict, TR_KEY_memory_bytes, mem_units.units[TR_FMT_KB].value);
|
|
l = tr_variantDictAddList(dict, TR_KEY_memory_units, 4);
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
tr_variantListAddStr(l, mem_units.units[i].name);
|
|
}
|
|
|
|
tr_variantDictAddInt(dict, TR_KEY_size_bytes, size_units.units[TR_FMT_KB].value);
|
|
l = tr_variantDictAddList(dict, TR_KEY_size_units, 4);
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
tr_variantListAddStr(l, size_units.units[i].name);
|
|
}
|
|
|
|
tr_variantDictAddInt(dict, TR_KEY_speed_bytes, speed_units.units[TR_FMT_KB].value);
|
|
l = tr_variantDictAddList(dict, TR_KEY_speed_units, 4);
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
tr_variantListAddStr(l, speed_units.units[i].name);
|
|
}
|
|
}
|
|
|
|
/***
|
|
**** ENVIRONMENT
|
|
***/
|
|
|
|
bool tr_env_key_exists(char const* key)
|
|
{
|
|
TR_ASSERT(key != NULL);
|
|
|
|
#ifdef _WIN32
|
|
return GetEnvironmentVariableA(key, NULL, 0) != 0;
|
|
#else
|
|
return getenv(key) != NULL;
|
|
#endif
|
|
}
|
|
|
|
int tr_env_get_int(char const* key, int default_value)
|
|
{
|
|
TR_ASSERT(key != NULL);
|
|
|
|
#ifdef _WIN32
|
|
|
|
char value[16];
|
|
|
|
if (GetEnvironmentVariableA(key, value, TR_N_ELEMENTS(value)) > 1)
|
|
{
|
|
return atoi(value);
|
|
}
|
|
|
|
#else
|
|
|
|
char const* value = getenv(key);
|
|
|
|
if (!tr_str_is_empty(value))
|
|
{
|
|
return atoi(value);
|
|
}
|
|
|
|
#endif
|
|
|
|
return default_value;
|
|
}
|
|
|
|
char* tr_env_get_string(char const* key, char const* default_value)
|
|
{
|
|
TR_ASSERT(key != NULL);
|
|
|
|
#ifdef _WIN32
|
|
|
|
wchar_t* wide_key = tr_win32_utf8_to_native(key, -1);
|
|
char* value = NULL;
|
|
|
|
if (wide_key != NULL)
|
|
{
|
|
DWORD const size = GetEnvironmentVariableW(wide_key, NULL, 0);
|
|
|
|
if (size != 0)
|
|
{
|
|
wchar_t* const wide_value = tr_new(wchar_t, size);
|
|
|
|
if (GetEnvironmentVariableW(wide_key, wide_value, size) == size - 1)
|
|
{
|
|
value = tr_win32_native_to_utf8(wide_value, size);
|
|
}
|
|
|
|
tr_free(wide_value);
|
|
}
|
|
|
|
tr_free(wide_key);
|
|
}
|
|
|
|
if (value == NULL && default_value != NULL)
|
|
{
|
|
value = tr_strdup(default_value);
|
|
}
|
|
|
|
return value;
|
|
|
|
#else
|
|
|
|
char const* value = getenv(key);
|
|
|
|
if (value == NULL)
|
|
{
|
|
value = default_value;
|
|
}
|
|
|
|
return value != NULL ? tr_strdup(value) : NULL;
|
|
|
|
#endif
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_net_init(void)
|
|
{
|
|
static bool initialized = false;
|
|
|
|
if (!initialized)
|
|
{
|
|
#ifdef _WIN32
|
|
WSADATA wsaData;
|
|
WSAStartup(MAKEWORD(2, 2), &wsaData);
|
|
#endif
|
|
|
|
initialized = true;
|
|
}
|
|
}
|
|
|
|
/// mime-type
|
|
|
|
static int compareSuffix(void const* va, void const* vb)
|
|
{
|
|
char const* suffix = va;
|
|
struct mime_type_suffix const* entry = vb;
|
|
return tr_strcmp0(suffix, entry->suffix);
|
|
}
|
|
|
|
char const* tr_get_mime_type_for_filename(char const* filename)
|
|
{
|
|
struct mime_type_suffix const* info = NULL;
|
|
|
|
char const* in = strrchr(filename, '.');
|
|
if (in != NULL)
|
|
{
|
|
++in; // walk past '.'
|
|
if (strlen(in) <= MIME_TYPE_SUFFIX_MAXLEN)
|
|
{
|
|
char lowercase_suffix[MIME_TYPE_SUFFIX_MAXLEN + 1];
|
|
char* out = lowercase_suffix;
|
|
while (*in != '\0')
|
|
{
|
|
*out++ = (char)tolower((unsigned char)*in++);
|
|
}
|
|
|
|
*out = '\0';
|
|
|
|
info = bsearch(
|
|
lowercase_suffix,
|
|
mime_type_suffixes,
|
|
TR_N_ELEMENTS(mime_type_suffixes),
|
|
sizeof(*mime_type_suffixes),
|
|
compareSuffix);
|
|
}
|
|
}
|
|
|
|
return info != NULL ? info->mime_type : NULL;
|
|
}
|