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undef forbidden names before we #define them in case they are macros in libc 

Originally committed as revision 9545 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2007-07-08 15:56:31 +00:00
parent ed5614eb56
commit 84662c01c9
1 changed files with 12 additions and 0 deletions
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12
libavutil/internal.h
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@ -234,18 +234,30 @@ if((y)<(x)){\
#endif
/* avoid usage of various functions */
#undef malloc
#define malloc please_use_av_malloc
#undef free
#define free please_use_av_free
#undef realloc
#define realloc please_use_av_realloc
#undef time
#define time time_is_forbidden_due_to_security_issues
#undef rand
#define rand rand_is_forbidden_due_to_state_trashing_use_av_random
#undef srand
#define srand srand_is_forbidden_due_to_state_trashing_use_av_init_random
#undef random
#define random random_is_forbidden_due_to_state_trashing_use_av_random
#undef sprintf
#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
#undef strcat
#define strcat strcat_is_forbidden_due_to_security_issues_use_av_strlcat
#undef exit
#define exit exit_is_forbidden
#if !(defined(LIBAVFORMAT_BUILD) || defined(FRAMEHOOK_H))
#undef printf
#define printf please_use_av_log
#undef fprintf
#define fprintf please_use_av_log
#endif