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#include <stdlib.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include "memcached.h"
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 (isspace(*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_strtoll(const char *str, int64_t *out) {
assert(out != NULL);
errno = 0;
*out = 0;
char *endptr;
long long ll = strtoll(str, &endptr, 10);
if (errno == ERANGE)
return false;
if (isspace(*endptr) || (*endptr == '\0' && endptr != str)) {
*out = ll;
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 (isspace(*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;
}
bool safe_strtol(const char *str, int32_t *out) {
assert(out != NULL);
errno = 0;
*out = 0;
char *endptr;
long l = strtol(str, &endptr, 10);
if (errno == ERANGE)
return false;
if (isspace(*endptr) || (*endptr == '\0' && endptr != str)) {
*out = l;
return true;
}
return false;
}
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