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mirror of https://github.com/profanity-im/profanity.git synced 2024-11-03 19:37:16 -05:00
profanity/util.c
2012-04-26 23:27:40 +01:00

81 lines
2.2 KiB
C

/*
* util.c
*
* Copyright (C) 2012 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity 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.
*
* Profanity 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 Profanity. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <time.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
void get_time(char *thetime)
{
time_t rawtime;
struct tm *timeinfo;
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(thetime, 80, "%H:%M", timeinfo);
}
char * str_replace (const char *string, const char *substr,
const char *replacement) {
char *tok = NULL;
char *newstr = NULL;
char *oldstr = NULL;
char *head = NULL;
if (string == NULL)
return NULL;
if ( substr == NULL ||
replacement == NULL ||
(strcmp(substr, "") == 0))
return strdup (string);
newstr = strdup (string);
head = newstr;
while ( (tok = strstr ( head, substr ))) {
oldstr = newstr;
newstr = malloc ( strlen ( oldstr ) - strlen ( substr ) +
strlen ( replacement ) + 1 );
if ( newstr == NULL ) {
free (oldstr);
return NULL;
}
memcpy ( newstr, oldstr, tok - oldstr );
memcpy ( newstr + (tok - oldstr), replacement, strlen ( replacement ) );
memcpy ( newstr + (tok - oldstr) + strlen( replacement ),
tok + strlen ( substr ),
strlen ( oldstr ) - strlen ( substr ) - ( tok - oldstr ) );
memset ( newstr + strlen ( oldstr ) - strlen ( substr ) +
strlen ( replacement ) , 0, 1 );
head = newstr + (tok - oldstr) + strlen( replacement );
free (oldstr);
}
return newstr;
}