122 lines
4.4 KiB
C
122 lines
4.4 KiB
C
/*************************************************************************/
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/* */
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/* Cepstral, LLC */
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/* Copyright (c) 2001 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* CEPSTRAL, LLC AND THE CONTRIBUTORS TO THIS WORK DISCLAIM ALL */
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/* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED */
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/* WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL */
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/* CEPSTRAL, LLC NOR THE CONTRIBUTORS BE LIABLE FOR ANY SPECIAL, */
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/* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER */
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/* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION */
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/* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR */
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/* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* Author: David Huggins-Daines (dhd@cepstral.com) */
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/* Date: October 2001 */
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/*************************************************************************/
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/* */
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/* cst_mmap_none.c: stubs for systems with no memory-mapped I/O support. */
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/* */
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/*************************************************************************/
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#include "cst_file.h"
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#include "cst_error.h"
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#include "cst_alloc.h"
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cst_filemap *cst_mmap_file(const char *path)
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{
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cst_dbgmsg("cst_mmap_file: unsupported on this platform");
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cst_error();
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return NULL;
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}
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int cst_munmap_file(cst_filemap *fmap)
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{
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cst_dbgmsg("cst_munmap_file: unsupported on this platform");
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cst_error();
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return -1;
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}
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cst_filemap *cst_read_whole_file(const char *path)
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{
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cst_filemap *fmap;
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cst_file fh;
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if ((fh = cst_fopen(path, CST_OPEN_READ)) < 0) {
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cst_errmsg("cst_read_whole_file: Failed to open file\n");
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return NULL;
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}
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fmap = cst_alloc(cst_filemap, 1);
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fmap->fh = fh;
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fmap->mapsize = cst_filesize(fmap->fh);
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fmap->mem = cst_alloc(char, fmap->mapsize);
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if (cst_fread(fmap->fh, fmap->mem, 1, fmap->mapsize) < fmap->mapsize)
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{
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cst_errmsg("cst_read_whole_file: read() failed\n");
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cst_fclose(fmap->fh);
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cst_free(fmap->mem);
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cst_free(fmap);
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return NULL;
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}
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return fmap;
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}
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int cst_free_whole_file(cst_filemap *fmap)
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{
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if (cst_fclose(fmap->fh) < 0) {
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cst_errmsg("cst_free_whole_file: close() failed\n");
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return -1;
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}
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cst_free(fmap->mem);
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cst_free(fmap);
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return 0;
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}
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cst_filemap *cst_read_part_file(const char *path)
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{
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cst_filemap *fmap;
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cst_file fh;
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if ((fh = cst_fopen(path, CST_OPEN_READ)) == NULL) {
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cst_errmsg("cst_read_part_file: Failed to open file\n");
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return NULL;
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}
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fmap = cst_alloc(cst_filemap, 1);
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fmap->fh = fh;
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fmap->mapsize = cst_filesize(fmap->fh);
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return fmap;
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}
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int cst_free_part_file(cst_filemap *fmap)
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{
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if (cst_fclose(fmap->fh) < 0) {
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cst_errmsg("cst_munmap_file: cst_fclose() failed\n");
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return -1;
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}
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cst_free(fmap);
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return 0;
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}
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