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/*
* common.c
*
* Copyright (C) 2012, 2013 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 <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <glib.h>
#include "common.h"
// assume malloc stores at most 8 bytes for size of allocated memory
// and page size is at least 4KB
#define READ_BUF_SIZE 4088
// backwards compatibility for GLib version < 2.28
void
p_slist_free_full(GSList *items, GDestroyNotify free_func)
{
g_slist_foreach (items, (GFunc) free_func, NULL);
g_slist_free (items);
}
void
create_dir(char *name)
{
int e;
struct stat sb;
e = stat(name, &sb);
if (e != 0)
if (errno == ENOENT)
e = mkdir(name, S_IRWXU);
}
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;
}
int
str_contains(char str[], int size, char ch)
{
int i;
for (i = 0; i < size; i++) {
if (str[i] == ch)
return 1;
}
return 0;
}
char *
encode_xml(const char * const xml)
{
char *coded_msg = str_replace(xml, "&", "&");
char *coded_msg2 = str_replace(coded_msg, "<", "<");
char *coded_msg3 = str_replace(coded_msg2, ">", ">");
free(coded_msg);
free(coded_msg2);
return coded_msg3;
}
char *
prof_getline(FILE *stream)
{
char *buf;
size_t buf_size;
char *result;
char *s = NULL;
size_t s_size = 1;
int need_exit = 0;
buf = (char *)malloc(READ_BUF_SIZE);
while (TRUE) {
result = fgets(buf, READ_BUF_SIZE, stream);
if (result == NULL)
break;
buf_size = strlen(buf);
if (buf[buf_size - 1] == '\n') {
buf_size--;
buf[buf_size] = '\0';
need_exit = 1;
}
result = (char *)realloc(s, s_size + buf_size);
if (result == NULL) {
if (s != NULL) {
free(s);
s = NULL;
}
break;
}
s = result;
memcpy(s + s_size - 1, buf, buf_size);
s_size += buf_size;
s[s_size - 1] = '\0';
if (need_exit != 0 || feof(stream) != 0)
break;
}
free(buf);
return s;
}
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