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dashenc: Avoid a VLA-like construct

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This fixes the build on compilers that interpreted the earlier
code as a variable length array (which we intentionally disallow).

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2014-11-28 11:51:05 +02:00
parent a9d8d35e48
commit fcae9f212a
1 changed files with 2 additions and 3 deletions
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5
libavformat/dashenc.c
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@ -308,8 +308,7 @@ static void dash_fill_tmpl_params(char *dst, size_t buffer_size,
int dst_pos = 0;
const char *t_cur = template;
while (dst_pos < buffer_size - 1 && *t_cur) {
int format_tag_size = 7;
char format_tag[format_tag_size]; // May be "%d", "%0Xd", or "%0Xlld" (for $Time$), where X is in [0-9]
char format_tag[7]; // May be "%d", "%0Xd", or "%0Xlld" (for $Time$), where X is in [0-9]
int n = 0;
DASHTmplId id_type;
const char *t_next = strchr(t_cur, '$'); // copy over everything up to the first '$' character
@ -328,7 +327,7 @@ static void dash_fill_tmpl_params(char *dst, size_t buffer_size,
break;
// t_cur is now pointing to a '$' character
id_type = dash_read_tmpl_id(t_cur, format_tag, format_tag_size, &t_next);
id_type = dash_read_tmpl_id(t_cur, format_tag, sizeof(format_tag), &t_next);
switch (id_type) {
case DASH_TMPL_ID_ESCAPE:
av_strlcpy(&dst[dst_pos], "$", 2);