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optimize legacy ffs function
[musl]
/
src
/
temp
/
mktemp.c
diff --git
a/src/temp/mktemp.c
b/src/temp/mktemp.c
index
b04f5de
..
c0e06f5
100644
(file)
--- a/
src/temp/mktemp.c
+++ b/
src/temp/mktemp.c
@@
-13,20
+13,19
@@
char *__mktemp(char *template)
struct timespec ts;
size_t i, l = strlen(template);
int retries = 10000;
struct timespec ts;
size_t i, l = strlen(template);
int retries = 10000;
- unsigned long r
, t
;
+ unsigned long r;
if (l < 6 || strcmp(template+l-6, "XXXXXX")) {
errno = EINVAL;
*template = 0;
return template;
}
if (l < 6 || strcmp(template+l-6, "XXXXXX")) {
errno = EINVAL;
*template = 0;
return template;
}
- clock_gettime(CLOCK_REALTIME, &ts);
- r = ts.tv_nsec + (uintptr_t)&ts / 16 + (uintptr_t)template;
while (retries--) {
while (retries--) {
- for (t=r, i=1; i<=6; i++, t>>=4)
- template[l-i] = 'A'+(t&15);
+ clock_gettime(CLOCK_REALTIME, &ts);
+ r = ts.tv_nsec + (uintptr_t)&ts / 16 + (uintptr_t)template;
+ for (i=1; i<=6; i++, r>>=4)
+ template[l-i] = 'A'+(r&15);
if (access(template, F_OK) < 0) return template;
if (access(template, F_OK) < 0) return template;
- r = r * 1103515245 + 12345;
}
*template = 0;
errno = EEXIST;
}
*template = 0;
errno = EEXIST;