summaryrefslogtreecommitdiffstats
path: root/libc-top-half/musl/src/temp/mkostemps.c
diff options
context:
space:
mode:
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/temp/mkostemps.c
parentInitial commit. (diff)
downloadwasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.tar.xz
wasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.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/temp/mkostemps.c')
-rw-r--r--libc-top-half/musl/src/temp/mkostemps.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/temp/mkostemps.c b/libc-top-half/musl/src/temp/mkostemps.c
new file mode 100644
index 0000000..ef24eea
--- /dev/null
+++ b/libc-top-half/musl/src/temp/mkostemps.c
@@ -0,0 +1,29 @@
+#define _BSD_SOURCE
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+
+int __mkostemps(char *template, int len, int flags)
+{
+ size_t l = strlen(template);
+ if (l<6 || len>l-6 || memcmp(template+l-len-6, "XXXXXX", 6)) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ flags -= flags & O_ACCMODE;
+ int fd, retries = 100;
+ do {
+ __randname(template+l-len-6);
+ if ((fd = open(template, flags | O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
+ return fd;
+ } while (--retries && errno == EEXIST);
+
+ memcpy(template+l-len-6, "XXXXXX", 6);
+ return -1;
+}
+
+weak_alias(__mkostemps, mkostemps);
+weak_alias(__mkostemps, mkostemps64);