103 lines
4.4 KiB
C
103 lines
4.4 KiB
C
/* _______ ____ __ ___ ___
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* \ _ \ \ / \ / \ \ / / ' ' '
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* | | \ \ | | || | \/ | . .
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* | | | | | | || ||\ /| |
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* | | | | | | || || \/ | | ' ' '
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* | | | | | | || || | | . .
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* | |_/ / \ \__// || | |
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* /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
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* / \
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* / . \
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* readany.c - Code to detect and read any of the / / \ \
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* module formats supported by DUMB. | < / \_
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* | \/ /\ /
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* By Christopher Snowhill. \_ / > /
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* | \ / /
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* | ' /
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* \__/
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "dumb.h"
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#ifdef _MSC_VER
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#define strnicmp _strnicmp
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#else
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#if defined(unix) || defined(__unix__) || defined(__unix)
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#include <strings.h>
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#endif
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#define strnicmp strncasecmp
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#endif
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enum { maximum_signature_size = 0x30 };
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DUH *dumb_read_any_quick(DUMBFILE *f, int restrict_, int subsong) {
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unsigned char signature[maximum_signature_size];
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unsigned long signature_size;
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DUH *duh = NULL;
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/* signature_size = dumbfile_get_size(f); */
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signature_size =
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dumbfile_getnc((char *)signature, maximum_signature_size, f);
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dumbfile_seek(f, 0, DFS_SEEK_SET);
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if (signature_size >= 4 && signature[0] == 'I' && signature[1] == 'M' &&
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signature[2] == 'P' && signature[3] == 'M') {
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duh = dumb_read_it_quick(f);
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} else if (signature_size >= 17 &&
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!memcmp(signature, "Extended Module: ", 17)) {
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duh = dumb_read_xm_quick(f);
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} else if (signature_size >= 0x30 && signature[0x2C] == 'S' &&
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signature[0x2D] == 'C' && signature[0x2E] == 'R' &&
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signature[0x2F] == 'M') {
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duh = dumb_read_s3m_quick(f);
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} else if (signature_size >= 30 &&
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/*signature[28] == 0x1A &&*/ signature[29] == 2 &&
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(!strnicmp((const char *)signature + 20, "!Scream!", 8) ||
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!strnicmp((const char *)signature + 20, "BMOD2STM", 8) ||
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!strnicmp((const char *)signature + 20, "WUZAMOD!", 8))) {
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duh = dumb_read_stm_quick(f);
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} else if (signature_size >= 2 &&
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((signature[0] == 0x69 && signature[1] == 0x66) ||
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(signature[0] == 0x4A && signature[1] == 0x4E))) {
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duh = dumb_read_669_quick(f);
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} else if (signature_size >= 0x30 && signature[0x2C] == 'P' &&
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signature[0x2D] == 'T' && signature[0x2E] == 'M' &&
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signature[0x2F] == 'F') {
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duh = dumb_read_ptm_quick(f);
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} else if (signature_size >= 4 && signature[0] == 'P' &&
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signature[1] == 'S' && signature[2] == 'M' &&
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signature[3] == ' ') {
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duh = dumb_read_psm_quick(f, subsong);
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} else if (signature_size >= 4 && signature[0] == 'P' &&
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signature[1] == 'S' && signature[2] == 'M' &&
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signature[3] == 254) {
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duh = dumb_read_old_psm_quick(f);
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} else if (signature_size >= 3 && signature[0] == 'M' &&
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signature[1] == 'T' && signature[2] == 'M') {
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duh = dumb_read_mtm_quick(f);
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} else if (signature_size >= 4 && signature[0] == 'R' &&
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signature[1] == 'I' && signature[2] == 'F' &&
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signature[3] == 'F') {
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duh = dumb_read_riff_quick(f);
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} else if (signature_size >= 24 &&
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!memcmp(signature, "ASYLUM Music Format", 19) &&
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!memcmp(signature + 19, " V1.0", 5)) {
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duh = dumb_read_asy_quick(f);
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} else if (signature_size >= 3 && signature[0] == 'A' &&
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signature[1] == 'M' && signature[2] == 'F') {
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duh = dumb_read_amf_quick(f);
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} else if (signature_size >= 8 && !memcmp(signature, "OKTASONG", 8)) {
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duh = dumb_read_okt_quick(f);
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}
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if (!duh) {
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dumbfile_seek(f, 0, DFS_SEEK_SET);
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duh = dumb_read_mod_quick(f, restrict_);
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}
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return duh;
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}
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