2 * Copyright (c) 2002 Fabrice Bellard
3 * Copyright (c) 2013 Michael Niedermayer
4 * Copyright (c) 2013 James Almer
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include "libavutil/avstring.h"
25 #include "libavutil/error.h"
26 #include "libavutil/hash.h"
27 #include "libavutil/mem.h"
43 static struct AVHashContext
*hash
;
46 static void usage(void)
51 printf("usage: ffhash [b64:]algorithm [input]...\n");
52 printf("Supported hash algorithms:");
54 name
= av_hash_names(i
);
62 static void finish(void)
64 char res
[2 * AV_HASH_MAX_SIZE
+ 4];
66 printf("%s=", av_hash_get_name(hash
));
68 av_hash_final_b64(hash
, res
, sizeof(res
));
69 printf("b64:%s", res
);
71 av_hash_final_hex(hash
, res
, sizeof(res
));
76 static int check(char *file
)
79 int fd
, flags
= O_RDONLY
;
85 if (file
) fd
= open(file
, flags
);
88 printf("%s=OPEN-FAILED: %s:", av_hash_get_name(hash
), strerror(errno
));
95 int size
= read(fd
, buffer
, SIZE
);
100 printf("+READ-FAILED: %s", strerror(err
));
105 av_hash_update(hash
, buffer
, size
);
112 printf(" *%s", file
);
118 int main(int argc
, char **argv
)
122 const char *hash_name
;
130 out_b64
= av_strstart(hash_name
, "b64:", &hash_name
);
131 if ((ret
= av_hash_alloc(&hash
, hash_name
)) < 0) {
133 case AVERROR(EINVAL
):
134 printf("Invalid hash type: %s\n", hash_name
);
136 case AVERROR(ENOMEM
):
137 printf("%s\n", strerror(errno
));
143 for (i
= 2; i
< argc
; i
++)
144 ret
|= check(argv
[i
]);
149 av_hash_freep(&hash
);