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/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-2001
Copyright (C) Simo Sorce 2001-2002
Copyright (C) Martin Pool 2003
Copyright (C) James Peach 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "system/locale.h"
#undef strncasecmp
#undef strcasemp
/**
* @file
* @brief String utilities.
**/
/**
format a string into length-prefixed dotted domain format, as used in NBT
and in some ADS structures
**/
_PUBLIC_ const char *str_format_nbt_domain(TALLOC_CTX *mem_ctx, const char *s)
{
char *ret;
int i;
if (!s || !*s) {
return talloc_strdup(mem_ctx, "");
}
ret = talloc_array(mem_ctx, char, strlen(s)+2);
if (!ret) {
return ret;
}
memcpy(ret+1, s, strlen(s)+1);
ret[0] = '.';
for (i=0;ret[i];i++) {
if (ret[i] == '.') {
char *p = strchr(ret+i+1, '.');
if (p) {
ret[i] = p-(ret+i+1);
} else {
ret[i] = strlen(ret+i+1);
}
}
}
talloc_set_name_const(ret, ret);
return ret;
}
/**
* Parse a string containing a boolean value.
*
* val will be set to the read value.
*
* @retval true if a boolean value was parsed, false otherwise.
*/
_PUBLIC_ bool conv_str_bool(const char * str, bool * val)
{
char * end = NULL;
long lval;
if (str == NULL || *str == '\0') {
return false;
}
lval = strtol(str, &end, 10 /* base */);
if (end == NULL || *end != '\0' || end == str) {
return set_boolean(str, val);
}
*val = (lval) ? true : false;
return true;
}
/**
* Convert a size specification like 16K into an integral number of bytes.
**/
_PUBLIC_ bool conv_str_size_error(const char * str, uint64_t * val)
{
char * end = NULL;
unsigned long long lval;
if (str == NULL || *str == '\0') {
return false;
}
lval = strtoull(str, &end, 10 /* base */);
if (end == NULL || end == str) {
return false;
}
if (*end) {
if (strwicmp(end, "K") == 0) {
lval *= 1024ULL;
} else if (strwicmp(end, "M") == 0) {
lval *= (1024ULL * 1024ULL);
} else if (strwicmp(end, "G") == 0) {
lval *= (1024ULL * 1024ULL * 1024ULL);
} else if (strwicmp(end, "T") == 0) {
lval *= (1024ULL * 1024ULL * 1024ULL * 1024ULL);
} else if (strwicmp(end, "P") == 0) {
lval *= (1024ULL * 1024ULL * 1024ULL * 1024ULL * 1024ULL);
} else {
return false;
}
}
*val = (uint64_t)lval;
return true;
}
/**
* Parse a uint64_t value from a string
*
* val will be set to the value read.
*
* @retval true if parsing was successful, false otherwise
*/
_PUBLIC_ bool conv_str_u64(const char * str, uint64_t * val)
{
char * end = NULL;
unsigned long long lval;
if (str == NULL || *str == '\0') {
return false;
}
lval = strtoull(str, &end, 10 /* base */);
if (end == NULL || *end != '\0' || end == str) {
return false;
}
*val = (uint64_t)lval;
return true;
}
/**
* Compare 2 strings.
*
* @note The comparison is case-insensitive.
**/
_PUBLIC_ bool strequal(const char *s1, const char *s2)
{
if (s1 == s2)
return true;
if (!s1 || !s2)
return false;
return strcasecmp_m(s1,s2) == 0;
}
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