34 #elif HAVE_MAPVIEWOFFILE
50 int log_offset,
void *log_ctx)
67 if (fstat(fd, &st) < 0) {
75 off_size = st.st_size;
76 if (off_size > SIZE_MAX) {
78 "File size for file '%s' is too big\n", filename);
85 ptr = mmap(NULL, *size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
86 if (ptr == MAP_FAILED) {
94 #elif HAVE_MAPVIEWOFFILE
98 mh = CreateFileMapping(fh, NULL, PAGE_READONLY, 0, 0, NULL);
105 ptr = MapViewOfFile(mh, FILE_MAP_READ, 0, 0, *size);
122 read(fd, *bufptr, *size);
132 munmap(bufptr, size);
133 #elif HAVE_MAPVIEWOFFILE
134 UnmapViewOfFile(bufptr);
140 int av_tempfile(
const char *prefix,
char **filename,
int log_offset,
void *log_ctx) {
144 void *ptr= tempnam(NULL, prefix);
146 ptr= tempnam(
".", prefix);
151 size_t len = strlen(prefix) + 12;
155 if (*filename == NULL) {
168 snprintf(*filename, len,
"/tmp/%sXXXXXX", prefix);
169 fd = mkstemp(*filename);
172 snprintf(*filename, len,
"./%sXXXXXX", prefix);
173 fd = mkstemp(*filename);
180 av_log(&file_log_ctx,
AV_LOG_ERROR,
"ff_tempfile: Cannot open temporary file %s\n", *filename);
195 if (
av_file_map(
"file.c", &buf, &size, 0, NULL) < 0)