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/*
* Copyright (c) 2009, 2010 Jochen Keil
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Jochen Keil ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Jochen Keil BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "rem.h"
struct Rem {
unsigned int cmt;
char *value;
};
Rem*
rem_new( void)
{
Rem* new_rem = NULL;
Rem rem[] = {
{REM_DATE, NULL},
{REM_REPLAYGAIN_ALBUM_GAIN, NULL},
{REM_REPLAYGAIN_ALBUM_PEAK, NULL},
{REM_REPLAYGAIN_TRACK_GAIN, NULL},
{REM_REPLAYGAIN_TRACK_PEAK, NULL},
{REM_END, NULL}
};
/* sizeof(rem) = number of elements in rem[] * sizeof(Rem) */
new_rem = (Rem*)calloc(sizeof(rem) / sizeof(Rem), sizeof(Rem));
if (new_rem == NULL)
fprintf(stderr, "rem_new(): problem allocating memory\n");
else
memcpy(new_rem, rem, sizeof(rem));
return new_rem;
}
void
rem_free( Rem* rem)
{
if (rem == NULL)
return;
Rem* ptr = rem;
do
{
free(ptr->value);
}
while ((++ptr)->cmt != REM_END);
free(rem);
}
int
rem_is_emtpy( Rem* rem)
{
if (rem == NULL)
return 1;
do
{
if (rem->value != NULL)
return 0;
} while ((++rem)->cmt != REM_END);
return 1;
}
void
rem_set( unsigned int cmt,
char* value,
Rem* rem)
{
if (rem == NULL || value == NULL)
return;
do
{
if (rem->cmt == cmt)
{
free(rem->value);
rem->value = strdup(value);
return;
}
} while ((++rem)->cmt != REM_END);
}
const char*
rem_get( RemType cmt,
Rem* rem)
{
if (rem == NULL)
return NULL;
do
{
if (rem->cmt == cmt)
{
if (rem->value != NULL)
return rem->value;
else
return NULL;
}
} while ((++rem)->cmt != REM_END);
return NULL;
}
void
rem_dump( Rem* rem)
{
if (rem == NULL)
return;
do
{
printf("REM %u: %s\n", rem->cmt, rem->value);
} while ((++rem)->cmt != REM_END);
}
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