chasing indexing error

1 files changed, 0 insertions, 204 deletions

diff --git a/ffmpeg/libavutil/file.c b/ffmpeg/libavutil/file.c
deleted file mode 100644
index 45fe853..0000000
--- a/ffmpeg/libavutil/file.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-#include "file.h"
-#include "internal.h"
-#include "log.h"
-#include "mem.h"
-#include <fcntl.h>
-#include <sys/stat.h>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if HAVE_IO_H
-#include <io.h>
-#endif
-#if HAVE_MMAP
-#include <sys/mman.h>
-#elif HAVE_MAPVIEWOFFILE
-#include <windows.h>
-#endif
-
-typedef struct {
-    const AVClass *class;
-    int   log_offset;
-    void *log_ctx;
-} FileLogContext;
-
-static const AVClass file_log_ctx_class = {
-    "FILE", av_default_item_name, NULL, LIBAVUTIL_VERSION_INT,
-    offsetof(FileLogContext, log_offset), offsetof(FileLogContext, log_ctx)
-};
-
-int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
-                int log_offset, void *log_ctx)
-{
-    FileLogContext file_log_ctx = { &file_log_ctx_class, log_offset, log_ctx };
-    int err, fd = avpriv_open(filename, O_RDONLY);
-    struct stat st;
-    av_unused void *ptr;
-    off_t off_size;
-    char errbuf[128];
-    *bufptr = NULL;
-
-    if (fd < 0) {
-        err = AVERROR(errno);
-        av_strerror(err, errbuf, sizeof(errbuf));
-        av_log(&file_log_ctx, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename, errbuf);
-        return err;
-    }
-
-    if (fstat(fd, &st) < 0) {
-        err = AVERROR(errno);
-        av_strerror(err, errbuf, sizeof(errbuf));
-        av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in fstat(): %s\n", errbuf);
-        close(fd);
-        return err;
-    }
-
-    off_size = st.st_size;
-    if (off_size > SIZE_MAX) {
-        av_log(&file_log_ctx, AV_LOG_ERROR,
-               "File size for file '%s' is too big\n", filename);
-        close(fd);
-        return AVERROR(EINVAL);
-    }
-    *size = off_size;
-
-#if HAVE_MMAP
-    ptr = mmap(NULL, *size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
-    if (ptr == MAP_FAILED) {
-        err = AVERROR(errno);
-        av_strerror(err, errbuf, sizeof(errbuf));
-        av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in mmap(): %s\n", errbuf);
-        close(fd);
-        return err;
-    }
-    *bufptr = ptr;
-#elif HAVE_MAPVIEWOFFILE
-    {
-        HANDLE mh, fh = (HANDLE)_get_osfhandle(fd);
-
-        mh = CreateFileMapping(fh, NULL, PAGE_READONLY, 0, 0, NULL);
-        if (!mh) {
-            av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in CreateFileMapping()\n");
-            close(fd);
-            return -1;
-        }
-
-        ptr = MapViewOfFile(mh, FILE_MAP_READ, 0, 0, *size);
-        CloseHandle(mh);
-        if (!ptr) {
-            av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in MapViewOfFile()\n");
-            close(fd);
-            return -1;
-        }
-
-        *bufptr = ptr;
-    }
-#else
-    *bufptr = av_malloc(*size);
-    if (!*bufptr) {
-        av_log(&file_log_ctx, AV_LOG_ERROR, "Memory allocation error occurred\n");
-        close(fd);
-        return AVERROR(ENOMEM);
-    }
-    read(fd, *bufptr, *size);
-#endif
-
-    close(fd);
-    return 0;
-}
-
-void av_file_unmap(uint8_t *bufptr, size_t size)
-{
-#if HAVE_MMAP
-    munmap(bufptr, size);
-#elif HAVE_MAPVIEWOFFILE
-    UnmapViewOfFile(bufptr);
-#else
-    av_free(bufptr);
-#endif
-}
-
-int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx) {
-    FileLogContext file_log_ctx = { &file_log_ctx_class, log_offset, log_ctx };
-    int fd=-1;
-#if !HAVE_MKSTEMP
-    void *ptr= tempnam(NULL, prefix);
-    if(!ptr)
-        ptr= tempnam(".", prefix);
-    *filename = av_strdup(ptr);
-#undef free
-    free(ptr);
-#else
-    size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
-    *filename = av_malloc(len);
-#endif
-    /* -----common section-----*/
-    if (*filename == NULL) {
-        av_log(&file_log_ctx, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
-        return AVERROR(ENOMEM);
-    }
-#if !HAVE_MKSTEMP
-#   ifndef O_BINARY
-#       define O_BINARY 0
-#   endif
-#   ifndef O_EXCL
-#       define O_EXCL 0
-#   endif
-    fd = open(*filename, O_RDWR | O_BINARY | O_CREAT | O_EXCL, 0600);
-#else
-    snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
-    fd = mkstemp(*filename);
-#ifdef _WIN32
-    if (fd < 0) {
-        snprintf(*filename, len, "./%sXXXXXX", prefix);
-        fd = mkstemp(*filename);
-    }
-#endif
-#endif
-    /* -----common section-----*/
-    if (fd < 0) {
-        int err = AVERROR(errno);
-        av_log(&file_log_ctx, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
-        av_freep(filename);
-        return err;
-    }
-    return fd; /* success */
-}
-
-#ifdef TEST
-
-#undef printf
-
-int main(void)
-{
-    uint8_t *buf;
-    size_t size;
-    if (av_file_map("file.c", &buf, &size, 0, NULL) < 0)
-        return 1;
-
-    buf[0] = 's';
-    printf("%s", buf);
-    av_file_unmap(buf, size);
-    return 0;
-}
-#endif
-