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author | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2016-05-11 19:10:10 +0100 |
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committer | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2016-05-11 19:13:03 +0100 |
commit | 96d616052b3d39678e477fa10610ca688f46fff9 (patch) | |
tree | 8bd31d06318bc786ea8f1d84f92090c9c860bc11 /libavutil/bprint-test.c | |
parent | 27506aceda8115f82f89691a4441d62a8cf24a6e (diff) | |
parent | d12b5b2f135aade4099f4b26b0fe678656158c13 (diff) | |
download | ffmpeg-96d616052b3d39678e477fa10610ca688f46fff9.tar.gz |
Merge commit 'd12b5b2f135aade4099f4b26b0fe678656158c13'
* commit 'd12b5b2f135aade4099f4b26b0fe678656158c13':
build: Split test programs off into separate files
Some conversions done by: James Almer <jamrial@gmail.com>
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Diffstat (limited to 'libavutil/bprint-test.c')
-rw-r--r-- | libavutil/bprint-test.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libavutil/bprint-test.c b/libavutil/bprint-test.c new file mode 100644 index 0000000000..f081c4485e --- /dev/null +++ b/libavutil/bprint-test.c @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2012 Nicolas George + * + * 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 "bprint.c" + +#undef printf + +static void bprint_pascal(AVBPrint *b, unsigned size) +{ + unsigned i, j; + unsigned p[42]; + + av_assert0(size < FF_ARRAY_ELEMS(p)); + + p[0] = 1; + av_bprintf(b, "%8d\n", 1); + for (i = 1; i <= size; i++) { + p[i] = 1; + for (j = i - 1; j > 0; j--) + p[j] = p[j] + p[j - 1]; + for (j = 0; j <= i; j++) + av_bprintf(b, "%8d", p[j]); + av_bprintf(b, "\n"); + } +} + +int main(void) +{ + AVBPrint b; + char buf[256]; + struct tm testtime = { .tm_year = 100, .tm_mon = 11, .tm_mday = 20 }; + + av_bprint_init(&b, 0, -1); + bprint_pascal(&b, 5); + printf("Short text in unlimited buffer: %u/%u\n", (unsigned)strlen(b.str), b.len); + printf("%s\n", b.str); + av_bprint_finalize(&b, NULL); + + av_bprint_init(&b, 0, -1); + bprint_pascal(&b, 25); + printf("Long text in unlimited buffer: %u/%u\n", (unsigned)strlen(b.str), b.len); + av_bprint_finalize(&b, NULL); + + av_bprint_init(&b, 0, 2048); + bprint_pascal(&b, 25); + printf("Long text in limited buffer: %u/%u\n", (unsigned)strlen(b.str), b.len); + av_bprint_finalize(&b, NULL); + + av_bprint_init(&b, 0, 1); + bprint_pascal(&b, 5); + printf("Short text in automatic buffer: %u/%u\n", (unsigned)strlen(b.str), b.len); + + av_bprint_init(&b, 0, 1); + bprint_pascal(&b, 25); + printf("Long text in automatic buffer: %u/%u\n", (unsigned)strlen(b.str)/8*8, b.len); + /* Note that the size of the automatic buffer is arch-dependent. */ + + av_bprint_init(&b, 0, 0); + bprint_pascal(&b, 25); + printf("Long text count only buffer: %u/%u\n", (unsigned)strlen(b.str), b.len); + + av_bprint_init_for_buffer(&b, buf, sizeof(buf)); + bprint_pascal(&b, 25); + printf("Long text count only buffer: %u/%u\n", (unsigned)strlen(buf), b.len); + + av_bprint_init(&b, 0, -1); + av_bprint_strftime(&b, "%Y-%m-%d", &testtime); + printf("strftime full: %u/%u \"%s\"\n", (unsigned)strlen(buf), b.len, b.str); + av_bprint_finalize(&b, NULL); + + av_bprint_init(&b, 0, 8); + av_bprint_strftime(&b, "%Y-%m-%d", &testtime); + printf("strftime truncated: %u/%u \"%s\"\n", (unsigned)strlen(buf), b.len, b.str); + + return 0; +} |