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avutil/file_open: Fix build error with wasi

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Don't assume tempnam is available when !HAVE_MKSTEMP. Check tempnam
explicitly in configure.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Zhao Zhili 2024-06-30 18:33:18 +08:00 committed by Paul B Mahol
parent 41c1b79d3a
commit ce9c8acfc4
2 changed files with 7 additions and 3 deletions
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2
configure vendored
View File

@ -2408,6 +2408,7 @@ SYSTEM_FUNCS="
sysconf
sysctl
sysctlbyname
tempnam
usleep
UTGetOSTypeFromString
VirtualAlloc
@ -6542,6 +6543,7 @@ check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
check_func strerror_r
check_func sysconf
check_func sysctl
check_func tempnam
check_func usleep
check_func_headers conio.h kbhit

8
libavutil/file_open.c
View File

@ -111,7 +111,10 @@ int avpriv_tempfile(const char *prefix, char **filename, int log_offset, void *l
{
FileLogContext file_log_ctx = { &file_log_ctx_class, log_offset, log_ctx };
int fd = -1;
#if !HAVE_MKSTEMP
#if HAVE_MKSTEMP
size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
*filename = av_malloc(len);
#elif HAVE_TEMPNAM
void *ptr= tempnam(NULL, prefix);
if(!ptr)
ptr= tempnam(".", prefix);
@ -119,8 +122,7 @@ int avpriv_tempfile(const char *prefix, char **filename, int log_offset, void *l
#undef free
free(ptr);
#else
size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
*filename = av_malloc(len);
return AVERROR(ENOSYS);
#endif
/* -----common section-----*/
if (!*filename) {