X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Ftemp%2Fmkostemps.c;fp=src%2Ftemp%2Fmkostemps.c;h=804a5475d2787e34402ada30739cfb4d5c776cb9;hp=0000000000000000000000000000000000000000;hb=2cc63358cdb0309ca996ffe56ccf402c2f2f16d5;hpb=f78cdbe8993d072bf60a65754544199016a1fe29 diff --git a/src/temp/mkostemps.c b/src/temp/mkostemps.c new file mode 100644 index 00000000..804a5475 --- /dev/null +++ b/src/temp/mkostemps.c @@ -0,0 +1,32 @@ +#define _BSD_SOURCE +#include +#include +#include +#include +#include "libc.h" + +char *__randname(char *); + +int __mkostemps(char *template, int len, int flags) +{ + if (len < 0) return EINVAL; + + size_t l = strlen(template)-len; + if (l < 6 || strncmp(template+l-6, "XXXXXX", 6)) { + errno = EINVAL; + *template = 0; + return -1; + } + + int fd, retries = 100; + while (retries--) { + __randname(template+l-6); + if ((fd = open(template, flags | O_RDWR | O_CREAT | O_EXCL, 0600))>=0) + return fd; + if (errno != EEXIST) return -1; + } + return -1; +} + +weak_alias(__mkostemps, mkostemps); +weak_alias(__mkostemps, mkostemps64);