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-rw-r--r--libavfilter/graphparser.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c
index 1ec96b75b3..c1304e7f0c 100644
--- a/libavfilter/graphparser.c
+++ b/libavfilter/graphparser.c
@@ -100,21 +100,20 @@ static void consume_whitespace(const char **buf)
static char *consume_string(const char **buf)
{
char *out = av_malloc(strlen(*buf) + 1);
- const char *in = *buf;
char *ret = out;
consume_whitespace(buf);
do{
- char c = *in++;
+ char c = *(*buf)++;
switch (c) {
case '\\':
- *out++= *in++;
+ *out++= *(*buf)++;
break;
case '\'':
- while(*in && *in != '\'')
- *out++= *in++;
- if(*in) in++;
+ while(**buf && **buf != '\'')
+ *out++= *(*buf)++;
+ if(**buf) (*buf)++;
break;
case 0:
case ']':
@@ -128,7 +127,7 @@ static char *consume_string(const char **buf)
}
} while(out[-1]);
- *buf = in-1;
+ (*buf)--;
return ret;
}