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check memory errors from av_strdup()

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This commit is contained in:
Vittorio Giovara
2014-12-17 14:53:45 +01:00
parent 9745f19ffc
commit b1306823d0
5 changed files with 32 additions and 8 deletions
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10
cmdutils.c
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@@ -261,10 +261,14 @@ static int write_option(void *optctx, const OptionDef *po, const char *opt,
if (po->flags & OPT_SPEC) {
SpecifierOpt **so = dst;
char *p = strchr(opt, ':');
char *str;
dstcount = (int *)(so + 1);
*so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);
(*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : "");
str = av_strdup(p ? p + 1 : "");
if (!str)
return AVERROR(ENOMEM);
(*so)[*dstcount - 1].specifier = str;
dst = &(*so)[*dstcount - 1].u;
}
@@ -272,6 +276,8 @@ static int write_option(void *optctx, const OptionDef *po, const char *opt,
char *str;
str = av_strdup(arg);
av_freep(dst);
if (!str)
return AVERROR(ENOMEM);
*(char **)dst = str;
} else if (po->flags & OPT_BOOL || po->flags & OPT_INT) {
*(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
@@ -1350,6 +1356,8 @@ int show_help(void *optctx, const char *opt, const char *arg)
av_log_set_callback(log_callback_help);
topic = av_strdup(arg ? arg : "");
if (!topic)
return AVERROR(ENOMEM);
par = strchr(topic, '=');
if (par)
*par++ = 0;