alsa-utils/xamixer2/util.c

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/*****************************************************************************
xamixer.c - an Alsa based gtk mixer
Written by Raistlinn (lansdoct@cs.alfred.edu)
Copyright (C) 1998 by Christopher Lansdown
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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
******************************************************************************/
/*****************************************************************************/
/* Begin #include's */
#include "main.h"
/* End #include's */
/*****************************************************************************/
extern Config config; /* The system config */
int is_same(char *string1, char *string2)
{
int i = 0;
if(strlen(string1) != strlen(string2))
return 0;
while(string1[i] != '\0')
if(string1[i] != string2[i])
return 0;
else
i++;
return 1;
}
void strip_comment(char *string)
{
char *place;
int i = 0, j = 0, size;
size = strlen(string);
/* Get wrid of the comments */
place = string;
while((place = strchr(place, '#'))){
if(string[(place - string) -1] != '\\')
*place = '\0';
place++;
}
/* Replace the escape sequences */
place = calloc(1, strlen(string));
while(string[i] != '\0'){
if(string[i] == '\\')
place[j] = string[++i];
else
place[j] = string[i];
i++;
j++;
}
EAZERO(string, size);
strncpy(string, place, size);
free(place);
return;
}
int is_comment(char *string)
{
int i=0;
while (string[i] != '\0'){
if (string[i] == '#')
return 1;
if (string[i] != ' ' && string[i] != '\t')
return 0;
i++;
}
return 0;
}
ChannelLabel *channel_label_append(ChannelLabel *head, char *channel, char *label)
{
ChannelLabel *tmp;
tmp = calloc(1, sizeof(ChannelLabel));
tmp->next = head;
tmp->channel = calloc(strlen(channel) + 1, sizeof(char));
strcpy(tmp->channel, channel);
tmp->label = calloc(strlen(label) + 1, sizeof(char));
strcpy(tmp->label, label);
return tmp;
}
int get_label(char *line, char *expect, char *value1, size_t value1_len,
char *value2, size_t value2_len, char quote1, char quote2)
{
char *tmp;
int len, i;
len = strlen(line);
if(expect) {
tmp = strstr(line, expect);
if(!tmp)
return FALSE;
tmp = &tmp[strlen(expect)];
}
else
tmp = line;
tmp = strchr(tmp, quote1) + 1;
if(!tmp)
return FALSE;
for(i = 0; i < (value1_len - 1) && tmp[i] != quote2; i++)
value1[i] = tmp[i];
value1[i] = '\0';
tmp = strchr(tmp, quote1) + 1;
if(!tmp)
return FALSE;
for(i = 0; i < (value2_len - 1) && tmp[i] != quote2; i++)
value2[i] = tmp[i];
value2[i] = '\0';
return TRUE;
}
MixerInfo *create_mixer_info(Mixer *mixer, int num, unsigned int flags)
{
MixerInfo *info;
info = calloc(1, sizeof(MixerInfo));
info->mixer = mixer;
info->channel = num;
info->flags = flags;
info->other = NULL;
info->mute = NULL;
info->unmute = NULL;
return info;
}
CBData *create_cb_data(Group *group, void *handle, int element, int index)
{
CBData *data;
data = malloc(sizeof(CBData));
data->group = group;
data->handle = handle;
data->element = element;
data->index = index;
return data;
}