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