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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/sphinxbase/src/libsphinxbase/util/mmio.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/media/sphinxbase/src/libsphinxbase/util/mmio.c b/media/sphinxbase/src/libsphinxbase/util/mmio.c
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+/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* ====================================================================
+ * Copyright (c) 2005 Carnegie Mellon University. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. 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 work was supported in part by funding from the Defense Advanced
+ * Research Projects Agency and the National Science Foundation of the
+ * United States of America, and the CMU Sphinx Speech Consortium.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
+ * ANY EXPRESSED 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 CARNEGIE MELLON UNIVERSITY
+ * NOR ITS EMPLOYEES 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.
+ *
+ * ====================================================================
+ *
+ */
+/*********************************************************************
+ *
+ * File: mmio.c
+ *
+ * Description: mmap() wrappers for Unix/Windows
+ *
+ * Author: David Huggins-Daines <dhuggins@cs.cmu.edu>
+ *
+ *********************************************************************/
+
+#include <string.h>
+#include <stdlib.h>
+
+
+#ifdef GNUWINCE
+# include <sys/wcebase.h>
+# include <sys/wcetypes.h>
+# include <sys/wcememory.h>
+# include <sys/wcefile.h>
+#elif defined(__SYMBIAN32__) /* SYMBIAN32 must be before WIN32 since Symbian SDK defines WIN32 as well */
+# include <unistd.h>
+# include <fcntl.h>
+# include <sys/stat.h>
+# include <sys/mman.h>
+#elif defined(_WIN32)
+# include <windows.h>
+#else
+# include <unistd.h>
+# include <fcntl.h>
+# include <sys/stat.h>
+# include <sys/file.h>
+# include <sys/mman.h>
+#endif
+
+#include "sphinxbase/prim_type.h"
+#include "sphinxbase/err.h"
+#include "sphinxbase/mmio.h"
+#include "sphinxbase/ckd_alloc.h"
+
+#if defined(_WIN32_WCE) || defined(GNUWINCE)
+struct mmio_file_s {
+ int dummy;
+};
+
+mmio_file_t *
+mmio_file_read(const char *filename)
+{
+ HANDLE ffm, fd;
+ WCHAR *wfilename;
+ void *rv;
+ int len;
+
+ len = mbstowcs(NULL, filename, 0) + 1;
+ wfilename = malloc(len * sizeof(WCHAR));
+ mbstowcs(wfilename, filename, len);
+
+ if ((ffm =
+ CreateFileForMappingW(wfilename, GENERIC_READ, FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
+ NULL)) == INVALID_HANDLE_VALUE) {
+ E_ERROR("Failed to create mapping for the file '%s': %08x\n", filename,
+ GetLastError());
+ return NULL;
+ }
+ if ((fd =
+ CreateFileMappingW(ffm, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) {
+ E_ERROR("Failed to CreateFileMapping: %08x\n", GetLastError());
+ CloseHandle(ffm);
+ return NULL;
+ }
+ rv = MapViewOfFile(fd, FILE_MAP_READ, 0, 0, 0);
+ free(wfilename);
+ CloseHandle(ffm);
+ CloseHandle(fd);
+
+ return (mmio_file_t *) rv;
+}
+
+void
+mmio_file_unmap(mmio_file_t *mf)
+{
+ if (!UnmapViewOfFile((void *)mf)) {
+ E_ERROR("Failed to UnmapViewOfFile: %08x\n", GetLastError());
+ }
+}
+
+void *
+mmio_file_ptr(mmio_file_t *mf)
+{
+ return (void *)mf;
+}
+
+#elif defined(_WIN32) && !defined(_WIN32_WP) /* !WINCE */
+struct mmio_file_s {
+ int dummy;
+};
+
+mmio_file_t *
+mmio_file_read(const char *filename)
+{
+ HANDLE ffm, fd;
+ void *rv;
+
+ if ((ffm = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
+ NULL)) == INVALID_HANDLE_VALUE) {
+ E_ERROR("Failed to create file '%s': %08x\n",
+ filename, GetLastError());
+ return NULL;
+ }
+ if ((fd = CreateFileMapping(ffm, NULL,
+ PAGE_READONLY, 0, 0, NULL)) == NULL) {
+ E_ERROR("Failed to CreateFileMapping: %08x\n", GetLastError());
+ CloseHandle(ffm);
+ }
+ rv = MapViewOfFile(fd, FILE_MAP_READ, 0, 0, 0);
+ CloseHandle(ffm);
+ CloseHandle(fd);
+
+ return (mmio_file_t *)rv;
+}
+
+void
+mmio_file_unmap(mmio_file_t *mf)
+{
+ if (!UnmapViewOfFile((void *)mf)) {
+ E_ERROR("Failed to UnmapViewOfFile: %08x\n", GetLastError());
+ }
+}
+
+void *
+mmio_file_ptr(mmio_file_t *mf)
+{
+ return (void *)mf;
+}
+
+#else /* !WIN32, !WINCE */
+#if defined(__ADSPBLACKFIN__) || defined(_WIN32_WP)
+ /* This is true for both uClinux and VisualDSP++,
+ but actually we need a better way to detect it. */
+struct mmio_file_s {
+ int dummy;
+};
+
+mmio_file_t *
+mmio_file_read(const char *filename)
+{
+ E_ERROR("mmio is not implemented on this platform!");
+ return NULL;
+}
+
+void
+mmio_file_unmap(mmio_file_t *mf)
+{
+ E_ERROR("mmio is not implemented on this platform!");
+}
+
+void *
+mmio_file_ptr(mmio_file_t *mf)
+{
+ E_ERROR("mmio is not implemented on this platform!");
+ return NULL;
+}
+#else /* !__ADSPBLACKFIN__ */
+struct mmio_file_s {
+ void *ptr;
+ size_t mapsize;
+};
+
+mmio_file_t *
+mmio_file_read(const char *filename)
+{
+ mmio_file_t *mf;
+ struct stat buf;
+ void *ptr;
+ int fd;
+ size_t pagesize;
+
+ if ((fd = open(filename, O_RDONLY)) == -1) {
+ E_ERROR_SYSTEM("Failed to open %s", filename);
+ return NULL;
+ }
+ if (fstat(fd, &buf) == -1) {
+ E_ERROR_SYSTEM("Failed to stat %s", filename);
+ close(fd);
+ return NULL;
+ }
+ ptr = mmap(NULL, buf.st_size, PROT_READ, MAP_SHARED, fd, 0);
+ if (ptr == (void *)-1) {
+ E_ERROR_SYSTEM("Failed to mmap %lld bytes", (unsigned long long)buf.st_size);
+ close(fd);
+ return NULL;
+ }
+ close(fd);
+ mf = ckd_calloc(1, sizeof(*mf));
+ mf->ptr = ptr;
+ /* Align map size to next page. */
+ pagesize = sysconf(_SC_PAGESIZE);
+ mf->mapsize = (buf.st_size + pagesize - 1) / pagesize * pagesize;
+
+ return mf;
+}
+
+void
+mmio_file_unmap(mmio_file_t *mf)
+{
+ if (mf == NULL)
+ return;
+ if (munmap(mf->ptr, mf->mapsize) < 0) {
+ E_ERROR_SYSTEM("Failed to unmap %ld bytes at %p", mf->mapsize, mf->ptr);
+ }
+ ckd_free(mf);
+}
+
+void *
+mmio_file_ptr(mmio_file_t *mf)
+{
+ return mf->ptr;
+}
+#endif /* !__ADSPBLACKFIN__ */
+#endif /* !(WINCE || WIN32) */