ref: 397265f5791291defa76487c2388e1898e2e433c
dir: /src/utils/cst_mmap_none.c/
/*************************************************************************/
/* */
/* Cepstral, LLC */
/* Copyright (c) 2001 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* CEPSTRAL, LLC AND THE CONTRIBUTORS TO THIS WORK DISCLAIM ALL */
/* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED */
/* WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL */
/* CEPSTRAL, LLC NOR THE CONTRIBUTORS BE LIABLE FOR ANY SPECIAL, */
/* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER */
/* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION */
/* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR */
/* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: David Huggins-Daines (dhd@cepstral.com) */
/* Date: October 2001 */
/*************************************************************************/
/* */
/* cst_mmap_none.c: stubs for systems with no memory-mapped I/O support. */
/* */
/*************************************************************************/
#include "cst_file.h"
#include "cst_error.h"
#include "cst_alloc.h"
cst_filemap *cst_mmap_file(const char *path)
{
cst_dbgmsg("cst_mmap_file: unsupported on this platform");
cst_error();
return NULL;
}
int cst_munmap_file(cst_filemap *fmap)
{
cst_dbgmsg("cst_munmap_file: unsupported on this platform");
cst_error();
return -1;
}
cst_filemap *cst_read_whole_file(const char *path)
{
cst_filemap *fmap;
cst_file fh;
if ((fh = cst_fopen(path, CST_OPEN_READ)) == NULL) {
cst_errmsg("cst_read_whole_file: Failed to open file\n");
return NULL;
}
fmap = cst_alloc(cst_filemap, 1);
fmap->fh = fh;
fmap->mapsize = cst_filesize(fmap->fh);
fmap->mem = cst_alloc(char, fmap->mapsize);
if (cst_fread(fmap->fh, fmap->mem, 1, fmap->mapsize) < fmap->mapsize)
{
cst_errmsg("cst_read_whole_file: read() failed\n");
cst_fclose(fmap->fh);
cst_free(fmap->mem);
cst_free(fmap);
return NULL;
}
return fmap;
}
int cst_free_whole_file(cst_filemap *fmap)
{
if (cst_fclose(fmap->fh) < 0) {
cst_errmsg("cst_free_whole_file: close() failed\n");
return -1;
}
cst_free(fmap->mem);
cst_free(fmap);
return 0;
}
cst_filemap *cst_read_part_file(const char *path)
{
cst_filemap *fmap;
cst_file fh;
if ((fh = cst_fopen(path, CST_OPEN_READ)) == NULL) {
cst_errmsg("cst_read_part_file: Failed to open file\n");
return NULL;
}
fmap = cst_alloc(cst_filemap, 1);
fmap->fh = fh;
fmap->mapsize = cst_filesize(fmap->fh);
return fmap;
}
int cst_free_part_file(cst_filemap *fmap)
{
if (cst_fclose(fmap->fh) < 0) {
cst_errmsg("cst_munmap_file: cst_fclose() failed\n");
return -1;
}
cst_free(fmap);
return 0;
}