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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * This file is part of FFmpeg. |
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| 3 | * |
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| 4 | * FFmpeg is free software; you can redistribute it and/or |
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| 5 | * modify it under the terms of the GNU Lesser General Public |
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| 6 | * License as published by the Free Software Foundation; either |
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| 7 | * version 2.1 of the License, or (at your option) any later version. |
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| 8 | * |
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| 9 | * FFmpeg is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * Lesser General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU Lesser General Public |
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| 15 | * License along with FFmpeg; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 17 | */ |
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| 18 | |||
| 19 | #include "config.h" |
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| 20 | #include "internal.h" |
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| 21 | #include "mem.h" |
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| 22 | #include |
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| 23 | #include |
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| 24 | #include |
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| 25 | #if HAVE_UNISTD_H |
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| 26 | #include |
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| 27 | #endif |
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| 28 | |||
| 29 | #if defined(_WIN32) && !defined(__MINGW32CE__) |
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| 30 | #undef open |
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| 31 | #undef lseek |
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| 32 | #undef stat |
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| 33 | #undef fstat |
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| 34 | #include |
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| 35 | #include |
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| 36 | #include |
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| 37 | |||
| 38 | static int win32_open(const char *filename_utf8, int oflag, int pmode) |
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| 39 | { |
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| 40 | int fd; |
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| 41 | int num_chars; |
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| 42 | wchar_t *filename_w; |
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| 43 | |||
| 44 | /* convert UTF-8 to wide chars */ |
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| 45 | num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0); |
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| 46 | if (num_chars <= 0) |
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| 47 | goto fallback; |
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| 48 | filename_w = av_mallocz(sizeof(wchar_t) * num_chars); |
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| 49 | if (!filename_w) { |
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| 50 | errno = ENOMEM; |
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| 51 | return -1; |
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| 52 | } |
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| 53 | MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars); |
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| 54 | |||
| 55 | fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode); |
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| 56 | av_freep(&filename_w); |
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| 57 | |||
| 58 | if (fd != -1 || (oflag & O_CREAT)) |
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| 59 | return fd; |
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| 60 | |||
| 61 | fallback: |
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| 62 | /* filename may be in CP_ACP */ |
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| 63 | return _sopen(filename_utf8, oflag, SH_DENYNO, pmode); |
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| 64 | } |
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| 65 | #define open win32_open |
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| 66 | #endif |
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| 67 | |||
| 68 | int avpriv_open(const char *filename, int flags, ...) |
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| 69 | { |
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| 70 | int fd; |
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| 71 | unsigned int mode = 0; |
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| 72 | va_list ap; |
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| 73 | |||
| 74 | va_start(ap, flags); |
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| 75 | if (flags & O_CREAT) |
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| 76 | mode = va_arg(ap, unsigned int); |
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| 77 | va_end(ap); |
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| 78 | |||
| 79 | #ifdef O_CLOEXEC |
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| 80 | flags |= O_CLOEXEC; |
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| 81 | #endif |
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| 82 | |||
| 83 | fd = open(filename, flags, mode); |
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| 84 | #if HAVE_FCNTL |
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| 85 | if (fd != -1) { |
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| 86 | if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) |
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| 87 | av_log(NULL, AV_LOG_DEBUG, "Failed to set close on exec\n"); |
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| 88 | } |
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| 89 | #endif |
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| 90 | |||
| 91 | return fd; |
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| 92 | } |