diff mbox series

[FFmpeg-devel,v2,1/2] avutil/file_open: Fix build error with wasi

Message ID tencent_7DD780F034FB3F97560B9C8AE04E5B743409@qq.com
State New
Headers show
Series [FFmpeg-devel,v2,1/2] avutil/file_open: Fix build error with wasi | expand

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Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 fail Make fate failed
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Zhao Zhili June 30, 2024, 10:33 a.m. UTC
From: Zhao Zhili <zhilizhao@tencent.com>

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

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
---
 configure             | 2 ++
 libavutil/file_open.c | 8 +++++---
 2 files changed, 7 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/configure b/configure
index fed4c44cd1..696a26ee74 100755
--- a/configure
+++ b/configure
@@ -2413,6 +2413,7 @@  SYSTEM_FUNCS="
     sysconf
     sysctl
     sysctlbyname
+    tempnam
     usleep
     UTGetOSTypeFromString
     VirtualAlloc
@@ -6548,6 +6549,7 @@  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
diff --git a/libavutil/file_open.c b/libavutil/file_open.c
index 24ef33e3da..4692035d55 100644
--- a/libavutil/file_open.c
+++ b/libavutil/file_open.c
@@ -112,7 +112,10 @@  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);
@@ -120,8 +123,7 @@  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) {