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