transmission/gtk/util.h

112 lines
3.5 KiB
C

/*
Copyright (c) 2005-2006 Joshua Elsasser. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TG_UTIL_H
#define TG_UTIL_H
#include <sys/types.h>
#include <stdarg.h>
/* macro to shut up "unused parameter" warnings */
#ifdef __GNUC__
#define SHUTUP __attribute__((unused))
#else
#define SHUTUP
#endif
/* return number of items in array */
#define ALEN(a) (sizeof(a) / sizeof((a)[0]))
/* used for a callback function with a data parameter */
typedef void (*callbackfunc_t)(void*);
/* try to interpret a string as a textual representation of a boolean */
/* note that this isn't localized */
gboolean
strbool(const char *str);
/* return a human-readable string for the size given in bytes.
the string must be g_free()d */
char *
readablesize(guint64 size);
/* returns a string representing the download ratio.
the string must be g_free()d */
char *
ratiostr(guint64 down, guint64 up);
/* create a directory and any missing parent directories */
gboolean
mkdir_p(const char *name, mode_t mode);
/* joins a GList of strings into one string using an optional separator */
char *
joinstrlist(GList *list, char *sep);
/* decodes a string that has been urlencoded */
char *
urldecode(const char *str, int len);
/* set up a handler for various fatal signals */
void
setuphandlers(callbackfunc_t func, void *data);
/* clear the handlers for fatal signals */
void
clearhandlers(void);
/* blocks and unblocks delivery of fatal signals. calls to these
functions can be nested as long as unblocksigs() is called exactly
as many times as blocksigs(). only the first blocksigs() will
block signals and only the last unblocksigs() will unblock them. */
void
blocksigs(void);
void
unblocksigs(void);
/* if wind is NULL then you must call gtk_widget_show on the returned widget */
GtkWidget *
errmsg(GtkWindow *wind, const char *format, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
;
GtkWidget *
errmsg_full(GtkWindow *wind, callbackfunc_t func, void *data,
const char *format, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 4, 5)))
#endif
;
GtkWidget *
verrmsg(GtkWindow *wind, callbackfunc_t func, void *data,
const char *format, va_list ap);
#endif /* TG_UTIL_H */