2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
40 #include "wchar_filename.h"
42 static int win32_open(const char *filename_utf8, int oflag, int pmode)
47 /* convert UTF-8 to wide chars */
48 if (utf8towchar(filename_utf8, &filename_w))
53 fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode);
54 av_freep(&filename_w);
56 if (fd != -1 || (oflag & O_CREAT))
60 /* filename may be in CP_ACP */
61 return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
63 #define open win32_open
66 int avpriv_open(const char *filename, int flags, ...)
69 unsigned int mode = 0;
74 mode = va_arg(ap, unsigned int);
84 fd = open(filename, flags, mode);
87 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
88 av_log(NULL, AV_LOG_DEBUG, "Failed to set close on exec\n");
95 typedef struct FileLogContext {
101 static const AVClass file_log_ctx_class = {
102 .class_name = "TEMPFILE",
103 .item_name = av_default_item_name,
105 .version = LIBAVUTIL_VERSION_INT,
106 .log_level_offset_offset = offsetof(FileLogContext, log_offset),
107 .parent_log_context_offset = offsetof(FileLogContext, log_ctx),
110 int avpriv_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx)
112 FileLogContext file_log_ctx = { &file_log_ctx_class, log_offset, log_ctx };
115 void *ptr= tempnam(NULL, prefix);
117 ptr= tempnam(".", prefix);
118 *filename = av_strdup(ptr);
122 size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
123 *filename = av_malloc(len);
125 /* -----common section-----*/
127 av_log(&file_log_ctx, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
128 return AVERROR(ENOMEM);
137 fd = open(*filename, O_RDWR | O_BINARY | O_CREAT | O_EXCL, 0600);
139 snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
140 fd = mkstemp(*filename);
141 #if defined(_WIN32) || defined (__ANDROID__)
143 snprintf(*filename, len, "./%sXXXXXX", prefix);
144 fd = mkstemp(*filename);
148 /* -----common section-----*/
150 int err = AVERROR(errno);
151 av_log(&file_log_ctx, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
155 return fd; /* success */
158 FILE *av_fopen_utf8(const char *path, const char *mode)
162 const char *m = mode;
165 case 'r': access = O_RDONLY; break;
166 case 'w': access = O_CREAT|O_WRONLY|O_TRUNC; break;
167 case 'a': access = O_CREAT|O_WRONLY|O_APPEND; break;
174 access &= ~(O_RDONLY | O_WRONLY);
176 } else if (*m == 'b') {
186 fd = avpriv_open(path, access, 0666);
189 return fdopen(fd, mode);