diff options
Diffstat (limited to 'libc-top-half/musl/src/temp/mkostemps.c')
-rw-r--r-- | libc-top-half/musl/src/temp/mkostemps.c | 29 |
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); |