70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
|
|
/* NDBMEMCACHE NOTE */
|
|
/* This file has diverged from the original memcache source */
|
|
|
|
|
|
|
|
#include "config.h"
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <memcached/util.h>
|
|
|
|
/* Avoid warnings on solaris, where isspace() is an index into an array, and gcc uses signed chars */
|
|
#define xisspace(c) isspace((unsigned char)c)
|
|
|
|
bool safe_strtoull(const char *str, uint64_t *out) {
|
|
assert(out != NULL);
|
|
errno = 0;
|
|
*out = 0;
|
|
char *endptr;
|
|
unsigned long long ull = strtoull(str, &endptr, 10);
|
|
if (errno == ERANGE)
|
|
return false;
|
|
if (xisspace(*endptr) || (*endptr == '\0' && endptr != str)) {
|
|
if ((long long) ull < 0) {
|
|
/* only check for negative signs in the uncommon case when
|
|
* the unsigned number is so big that it's negative as a
|
|
* signed number. */
|
|
if (strchr(str, '-') != NULL) {
|
|
return false;
|
|
}
|
|
}
|
|
*out = ull;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool safe_strtoul(const char *str, uint32_t *out) {
|
|
char *endptr = NULL;
|
|
unsigned long l = 0;
|
|
assert(out);
|
|
assert(str);
|
|
*out = 0;
|
|
errno = 0;
|
|
|
|
l = strtoul(str, &endptr, 10);
|
|
if (errno == ERANGE) {
|
|
return false;
|
|
}
|
|
|
|
if (xisspace(*endptr) || (*endptr == '\0' && endptr != str)) {
|
|
if ((long) l < 0) {
|
|
/* only check for negative signs in the uncommon case when
|
|
* the unsigned number is so big that it's negative as a
|
|
* signed number. */
|
|
if (strchr(str, '-') != NULL) {
|
|
return false;
|
|
}
|
|
}
|
|
*out = l;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|