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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 "replace.h"
#include "lib/util/samba_util.h"
#include "system/locale.h"
#include "smb_strtox.h"
#undef strncasecmp
#undef strcasemp
/**
* @file
* @brief String utilities.
**/
/**
* 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;
int error = 0;
if (str == NULL || *str == '\0') {
return false;
}
lval = smb_strtoull(str, &end, 10, &error, SMB_STR_STANDARD);
if (error != 0) {
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;
}
/**
* 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;
}
/**
* @file
* @brief String utilities.
**/
/**
* Get the next token from a string, return False if none found.
* Handles double-quotes.
*
* Based on a routine by GJC@VILLAGE.COM.
* Extensively modified by Andrew.Tridgell@anu.edu.au
**/
static bool next_token_internal_talloc(TALLOC_CTX *ctx,
const char **ptr,
char **pp_buff,
const char *sep,
bool ltrim)
{
const char *s;
const char *saved_s;
char *pbuf;
bool quoted;
size_t len=1;
*pp_buff = NULL;
if (!ptr) {
return(false);
}
s = *ptr;
/* default to simple separators */
if (!sep) {
sep = " \t\n\r";
}
/* find the first non sep char, if left-trimming is requested */
if (ltrim) {
while (*s && strchr_m(sep,*s)) {
s++;
}
}
/* nothing left? */
if (!*s) {
return false;
}
/* When restarting we need to go from here. */
saved_s = s;
/* Work out the length needed. */
for (quoted = false; *s &&
(quoted || !strchr_m(sep,*s)); s++) {
if (*s == '\"') {
quoted = !quoted;
} else {
len++;
}
}
/* We started with len = 1 so we have space for the nul. */
*pp_buff = talloc_array(ctx, char, len);
if (!*pp_buff) {
return false;
}
/* copy over the token */
pbuf = *pp_buff;
s = saved_s;
for (quoted = false; *s &&
(quoted || !strchr_m(sep,*s)); s++) {
if ( *s == '\"' ) {
quoted = !quoted;
} else {
*pbuf++ = *s;
}
}
*ptr = (*s) ? s+1 : s;
*pbuf = 0;
return true;
}
bool next_token_talloc(TALLOC_CTX *ctx,
const char **ptr,
char **pp_buff,
const char *sep)
{
return next_token_internal_talloc(ctx, ptr, pp_buff, sep, true);
}
/*
* Get the next token from a string, return false if none found. Handles
* double-quotes. This version does not trim leading separator characters
* before looking for a token.
*/
bool next_token_no_ltrim_talloc(TALLOC_CTX *ctx,
const char **ptr,
char **pp_buff,
const char *sep)
{
return next_token_internal_talloc(ctx, ptr, pp_buff, sep, false);
}
/**
Set a boolean variable from the text value stored in the passed string.
Returns true in success, false if the passed string does not correctly
represent a boolean.
**/
_PUBLIC_ bool set_boolean(const char *boolean_string, bool *boolean)
{
if (strwicmp(boolean_string, "yes") == 0 ||
strwicmp(boolean_string, "true") == 0 ||
strwicmp(boolean_string, "on") == 0 ||
strwicmp(boolean_string, "1") == 0) {
*boolean = true;
return true;
}
if (strwicmp(boolean_string, "no") == 0 ||
strwicmp(boolean_string, "false") == 0 ||
strwicmp(boolean_string, "off") == 0 ||
strwicmp(boolean_string, "0") == 0) {
*boolean = false;
return true;
}
return false;
}
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