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Linshizhi
ffmpeg.wasm-core
Commits
3a4c8788
Commit
3a4c8788
authored
Apr 27, 2013
by
Stefano Sabatini
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tools/ffeval: use av_dynarray2_add()
Simplify, increment robustness.
parent
e3984166
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1 changed file
with
14 additions
and
18 deletions
+14
-18
ffeval.c
tools/ffeval.c
+14
-18
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tools/ffeval.c
View file @
3a4c8788
...
...
@@ -24,6 +24,7 @@
#endif
#include "libavutil/eval.h"
#include "libavutil/mem.h"
#if !HAVE_GETOPT
#include "compat/getopt.c"
...
...
@@ -47,20 +48,26 @@ static void usage(void)
"-p PROMPT set output prompt
\n
"
);
}
#define MAX_BLOCK_SIZE SIZE_MAX
int
main
(
int
argc
,
char
**
argv
)
{
size_t
buf_size
=
256
;
char
*
buf
=
av_malloc
(
buf_size
)
;
int
buf_size
=
0
;
char
*
buf
=
NULL
;
const
char
*
outfilename
=
NULL
,
*
infilename
=
NULL
;
FILE
*
outfile
=
NULL
,
*
infile
=
NULL
;
const
char
*
prompt
=
"=> "
;
int
count
=
0
,
echo
=
0
;
int
c
;
av_max_alloc
(
MAX_BLOCK_SIZE
);
#define GROW_ARRAY() \
do { \
if (!av_dynarray2_add((void **)&buf, &buf_size, 1, NULL)) { \
av_log(NULL, AV_LOG_ERROR, \
"Memory allocation problem occurred\n"); \
return 1; \
} \
} while (0)
GROW_ARRAY
();
while
((
c
=
getopt
(
argc
,
argv
,
"ehi:o:p:"
))
!=
-
1
)
{
switch
(
c
)
{
case
'e'
:
...
...
@@ -120,19 +127,8 @@ int main(int argc, char **argv)
}
count
=
0
;
}
else
{
if
(
count
>=
buf_size
-
1
)
{
if
(
buf_size
==
MAX_BLOCK_SIZE
)
{
av_log
(
NULL
,
AV_LOG_ERROR
,
"Memory allocation problem, "
"max block size '%zd' reached
\n
"
,
MAX_BLOCK_SIZE
);
return
1
;
}
buf_size
=
FFMIN
(
buf_size
,
MAX_BLOCK_SIZE
/
2
)
*
2
;
buf
=
av_realloc_f
((
void
*
)
buf
,
buf_size
,
1
);
if
(
!
buf
)
{
av_log
(
NULL
,
AV_LOG_ERROR
,
"Memory allocation problem occurred
\n
"
);
return
1
;
}
}
if
(
count
>=
buf_size
-
1
)
GROW_ARRAY
();
buf
[
count
++
]
=
c
;
}
}
...
...
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