diff options
Diffstat (limited to 'src/stdio/tmpfile.c')
-rw-r--r-- | src/stdio/tmpfile.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/stdio/tmpfile.c b/src/stdio/tmpfile.c new file mode 100644 index 0000000..185025f --- /dev/null +++ b/src/stdio/tmpfile.c @@ -0,0 +1,23 @@ +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include "stdio_impl.h" + +FILE *tmpfile(void) +{ + char buf[L_tmpnam], *s; + int fd; + FILE *f; + for (;;) { + s = tmpnam(buf); + if (!s) return NULL; + fd = __syscall_open(s, O_RDWR | O_CREAT | O_EXCL, 0600); + if (fd >= 0) { + f = __fdopen(fd, "w+"); + remove(s); + return f; + } + } +} + +LFS64(tmpfile); |