version 1.1.1.1, 2010/03/24 16:00:15
|
version 1.1.1.1.2.2, 2011/05/09 13:46:12
|
Line 57 inline int syncWriteNum(int f, u_long ulNum, int nNumL
|
Line 57 inline int syncWriteNum(int f, u_long ulNum, int nNumL
|
|
|
return write(f, buf, nNumLen); |
return write(f, buf, nNumLen); |
} |
} |
|
|
|
#ifndef HAVE_MKSTEMPS |
|
#define TEMPCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" |
|
#define NUM_CHARS (sizeof(TEMPCHARS) - 1) |
|
|
|
int |
|
mkstemps(char *path, int slen) |
|
{ |
|
char *start, *cp, *ep; |
|
const char *tempchars = TEMPCHARS; |
|
unsigned int tries = 1; |
|
size_t len; |
|
int fd; |
|
|
|
assert(path); |
|
len = strlen(path); |
|
if (len == 0 || slen >= len) { |
|
errno = EINVAL; |
|
goto end; |
|
} else |
|
ep = path + len - slen; |
|
|
|
for (start = ep; start > path && start[-1] == 'X'; start--) { |
|
if (tries < INT_MAX / NUM_CHARS) |
|
tries *= NUM_CHARS; |
|
} |
|
tries *= 2; |
|
|
|
do { |
|
for (cp = start; cp != ep; cp++) |
|
*cp = tempchars[arc4random_uniform(NUM_CHARS)]; |
|
|
|
fd = open(path, O_CREAT | O_EXCL | O_RDWR, S_IRUSR | S_IWUSR); |
|
if (fd != -1 || errno != EEXIST) |
|
return fd; |
|
} while (--tries); |
|
|
|
errno = EEXIST; |
|
end: |
|
return -1; |
|
} |
|
#endif |