* a pointer to an AVClass struct
* @param[in] msg string containing an optional message, or NULL if no message
*/
-void av_log_ask_for_sample(void *avc, const char *msg, ...);
+void av_log_ask_for_sample(void *avc, const char *msg, ...) av_printf_format(2, 3);
/**
* Register the hardware accelerator hwaccel.
#define URL_EOF (-1)
attribute_deprecated int url_fgetc(AVIOContext *s);
attribute_deprecated int url_setbufsize(AVIOContext *s, int buf_size);
-#ifdef __GNUC__
-attribute_deprecated int url_fprintf(AVIOContext *s, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 2, 3)));
-#else
-attribute_deprecated int url_fprintf(AVIOContext *s, const char *fmt, ...);
-#endif
+attribute_deprecated int url_fprintf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
attribute_deprecated void put_flush_packet(AVIOContext *s);
attribute_deprecated int url_open_dyn_buf(AVIOContext **s);
attribute_deprecated int url_open_dyn_packet_buf(AVIOContext **s, int max_packet_size);
int64_t avio_size(AVIOContext *s);
/** @warning currently size is limited */
-#ifdef __GNUC__
-int avio_printf(AVIOContext *s, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 2, 3)));
-#else
-int avio_printf(AVIOContext *s, const char *fmt, ...);
-#endif
+int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
void avio_flush(AVIOContext *s);
*/
int ff_url_join(char *str, int size, const char *proto,
const char *authorization, const char *hostname,
- int port, const char *fmt, ...);
+ int port, const char *fmt, ...) av_printf_format(7, 8);
/**
* Append the media-specific SDP fragment for the media stream c
* "http://host:port/path?option1=val1&option2=val2...
*/
-static void url_add_option(char *buf, int buf_size, const char *fmt, ...)
+static av_printf_format(3, 4) void url_add_option(char *buf, int buf_size, const char *fmt, ...)
{
char buf1[1024];
va_list ap;
#define AVUTIL_AVSTRING_H
#include <stddef.h>
+#include "attributes.h"
/**
* Return non-zero if pfx is a prefix of str. If it is, *ptr is set to
* @return the length of the string that would have been generated
* if enough space had been available
*/
-size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...);
+size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...) av_printf_format(3, 4);
/**
* Convert a number to a av_malloced string.
#include <stdarg.h>
#include "avutil.h"
+#include "attributes.h"
/**
* Describe the class of an AVClass context structure. That is an
* subsequent arguments are converted to output.
* @see av_vlog
*/
-#ifdef __GNUC__
-void av_log(void *avcl, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
-#else
-void av_log(void *avcl, int level, const char *fmt, ...);
-#endif
+void av_log(void *avcl, int level, const char *fmt, ...) av_printf_format(3, 4);
void av_vlog(void *avcl, int level, const char *fmt, va_list);
int av_log_get_level(void);