guacamole-spice-protocol/src/common/guac_string.c

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/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "config.h"
#include "guac_string.h"
#include <stdlib.h>
#include <string.h>
int guac_count_occurrences(const char* string, char c) {
int count = 0;
while (*string != 0) {
/* Count each occurrence */
if (*string == c)
count++;
/* Next character */
string++;
}
return count;
}
char** guac_split(const char* string, char delim) {
int i = 0;
int token_count = guac_count_occurrences(string, delim) + 1;
const char* token_start = string;
/* Allocate space for tokens */
char** tokens = malloc(sizeof(char*) * (token_count+1));
do {
int length;
char* token;
/* Find end of token */
while (*string != 0 && *string != delim)
string++;
/* Calculate token length */
length = string - token_start;
/* Allocate space for token and NULL terminator */
tokens[i++] = token = malloc(length + 1);
/* Copy token, store null */
memcpy(token, token_start, length);
token[length] = 0;
/* Stop at end of string */
if (*string == 0)
break;
/* Next token */
token_start = ++string;
} while (i < token_count);
/* NULL terminator */
tokens[i] = NULL;
return tokens;
}