mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2026-11-06 13:28:17 +00:00
Kacper Michajłow
ba8604f8be
The test required an input file and FATE has no stable one to feed it. Cover valid, overlong, surrogate, non-character, out-of-range, truncated and stray-continuation cases from a built-in table instead. Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/*
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* Copyright (c) 2013 Stefano Sabatini
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include "libavutil/avstring.h"
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#include "libavutil/file.h"
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static const uint8_t vectors[] =
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"A\n"
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"\xC3\xA9\n" /* U+00E9 */
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"\xE2\x82\xAC\n" /* U+20AC */
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"\xF0\x9F\x98\x80\n" /* U+1F600 */
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"\xF4\x8F\xBF\xBF\n" /* U+10FFFF */
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"\xF4\x90\x80\x80\n" /* U+110000 */
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"\xF8\x88\x80\x80\x80\n" /* 5 byte form of U+200000 */
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"\xC0\x80\n" /* overlong NUL */
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"\xE0\x80\x80\n" /* overlong NUL */
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"\xED\xA0\x80\n" /* U+D800 surrogate */
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"\xEF\xBF\xBF\n" /* U+FFFF */
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"\x80\n" /* stray continuation */
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"\xFE\n" /* invalid lead byte */
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"\xC3" "A\n" /* missing continuation */
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"\xE2\x82"; /* truncated */
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static void print_sequence(const char *p, int l, int indent)
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{
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int i;
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for (i = 0; i < l; i++)
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printf("%02X", (uint8_t)p[i]);
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printf("%*s", indent-l*2, "");
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}
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static void decode(const uint8_t *p, const uint8_t *endp)
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{
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uint32_t code;
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while (p < endp) {
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int l, r;
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const uint8_t *p0 = p;
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code = UINT32_MAX;
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r = av_utf8_decode(&code, &p, endp, 0);
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l = (int)(p-p0);
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print_sequence(p0, l, 20);
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if (code != UINT32_MAX) {
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printf("%-10d 0x%-10X %-5d ", code, code, l);
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if (r >= 0) {
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if (*p0 == '\n') printf("\\n\n");
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else printf ("%.*s\n", l, p0);
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} else {
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printf("invalid code range\n");
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}
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} else {
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printf("invalid sequence\n");
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}
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}
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}
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int main(int argc, char **argv)
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{
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if (argc > 1) {
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uint8_t *file_buf;
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size_t file_buf_size;
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int ret = av_file_map(argv[1], &file_buf, &file_buf_size, 0, NULL);
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if (ret < 0)
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return 1;
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decode(file_buf, file_buf + file_buf_size);
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av_file_unmap(file_buf, file_buf_size);
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} else {
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decode(vectors, vectors + sizeof(vectors) - 1);
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}
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return 0;
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}
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