diff options
Diffstat (limited to 'libc-top-half/musl/src/stdio/tmpfile.c')
-rw-r--r-- | libc-top-half/musl/src/stdio/tmpfile.c | 31 |
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); |