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avoid 64bit warnings when using pointers as entropy for temp names

This commit is contained in:
Rich Felker 2011-06-13 20:52:01 -04:00
parent f09e78de98
commit 0e1762539c
2 changed files with 4 additions and 2 deletions
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3
src/stdio/tempnam.c
View File

@ -1,6 +1,7 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <time.h>
#include "libc.h"
@ -30,7 +31,7 @@ char *tempnam(const char *dir, const char *pfx)
do {
clock_gettime(CLOCK_REALTIME, &ts);
n = ts.tv_nsec ^ (unsigned)&s ^ (unsigned)s;
n = ts.tv_nsec ^ (uintptr_t)&s ^ (uintptr_t)s;
snprintf(s, l, "%s/%s-%d-%d-%x", dir, pfx, pid, a_fetch_add(&index, 1), n);
} while (!access(s, F_OK) && try++<MAXTRIES);
if (try>=MAXTRIES) {

3
src/stdio/tmpnam.c
View File

@ -1,5 +1,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <time.h>
#include "libc.h"
@ -23,7 +24,7 @@ char *tmpnam(char *s)
do {
__syscall(SYS_clock_gettime, CLOCK_REALTIME, &ts, 0);
n = ts.tv_nsec ^ (unsigned)&s ^ (unsigned)s;
n = ts.tv_nsec ^ (uintptr_t)&s ^ (uintptr_t)s;
snprintf(s, L_tmpnam, "/tmp/t%x-%x", a_fetch_add(&index, 1), n);
} while (!__syscall(SYS_access, s, F_OK) && try++<MAXTRIES);
return try>=MAXTRIES ? 0 : s;