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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/stdio/tmpfile.c
parentInitial commit. (diff)
downloadwasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz
wasi-libc-upstream/0.0_git20221206.8b7148f.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/stdio/tmpfile.c')
-rw-r--r--libc-top-half/musl/src/stdio/tmpfile.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/stdio/tmpfile.c b/libc-top-half/musl/src/stdio/tmpfile.c
new file mode 100644
index 0000000..ae49398
--- /dev/null
+++ b/libc-top-half/musl/src/stdio/tmpfile.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include "stdio_impl.h"
+
+#define MAXTRIES 100
+
+FILE *tmpfile(void)
+{
+ char s[] = "/tmp/tmpfile_XXXXXX";
+ int fd;
+ FILE *f;
+ int try;
+ for (try=0; try<MAXTRIES; try++) {
+ __randname(s+13);
+ fd = sys_open(s, O_RDWR|O_CREAT|O_EXCL, 0600);
+ if (fd >= 0) {
+#ifdef SYS_unlink
+ __syscall(SYS_unlink, s);
+#else
+ __syscall(SYS_unlinkat, AT_FDCWD, s, 0);
+#endif
+ f = __fdopen(fd, "w+");
+ if (!f) __syscall(SYS_close, fd);
+ return f;
+ }
+ }
+ return 0;
+}
+
+weak_alias(tmpfile, tmpfile64);