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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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2
avconv_opt.c
View File

@ -213,6 +213,8 @@ static int opt_map(void *optctx, const char *opt, const char *arg)
arg++;
}
map = av_strdup(arg);
if (!map)
return AVERROR(ENOMEM);
/* parse sync stream first, just pick first matching stream */
if (sync = strchr(map, ',')) {

4
avprobe.c
View File

@ -302,6 +302,8 @@ static void old_print_object_header(const char *name)
return;
str = p = av_strdup(name);
if (!str)
return;
while (*p) {
*p = av_toupper(*p);
p++;
@ -319,6 +321,8 @@ static void old_print_object_footer(const char *name)
return;
str = p = av_strdup(name);
if (!str)
return;
while (*p) {
*p = av_toupper(*p);
p++;

10
cmdutils.c
View File

@ -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;

16
libavformat/matroskaenc.c
View File

@ -936,13 +936,16 @@ static int mkv_write_chapters(AVFormatContext *s)
return 0;
}
static void mkv_write_simpletag(AVIOContext *pb, AVDictionaryEntry *t)
static int mkv_write_simpletag(AVIOContext *pb, AVDictionaryEntry *t)
{
uint8_t *key = av_strdup(t->key);
uint8_t *p = key;
const uint8_t *lang = NULL;
ebml_master tag;
if (!key)
return AVERROR(ENOMEM);
if ((p = strrchr(p, '-')) &&
(lang = av_convert_lang_to(p + 1, AV_LANG_ISO639_2_BIBL)))
*p = 0;
@ -964,6 +967,7 @@ static void mkv_write_simpletag(AVIOContext *pb, AVDictionaryEntry *t)
end_ebml_master(pb, tag);
av_freep(&key);
return 0;
}
static int mkv_write_tag(AVFormatContext *s, AVDictionary *m, unsigned int elementid,
@ -987,10 +991,14 @@ static int mkv_write_tag(AVFormatContext *s, AVDictionary *m, unsigned int eleme
put_ebml_uint(s->pb, elementid, uid);
end_ebml_master(s->pb, targets);
while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX)))
while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX))) {
if (av_strcasecmp(t->key, "title") &&
av_strcasecmp(t->key, "encoding_tool"))
mkv_write_simpletag(s->pb, t);
av_strcasecmp(t->key, "encoding_tool")) {
ret = mkv_write_simpletag(s->pb, t);
if (ret < 0)
return ret;
}
}
end_ebml_master(s->pb, tag);
return 0;

8
libavutil/opt.c
View File

@ -138,7 +138,7 @@ static int set_string(void *obj, const AVOption *o, const char *val, uint8_t **d
{
av_freep(dst);
*dst = av_strdup(val);
return 0;
return *dst ? 0 : AVERROR(ENOMEM);
}
#define DEFAULT_NUMVAL(opt) ((opt->type == AV_OPT_TYPE_INT64 || \
@ -350,7 +350,7 @@ int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
*out_val = av_strdup(*(uint8_t**)dst);
else
*out_val = av_strdup("");
return 0;
return *out_val ? 0 : AVERROR(ENOMEM);
case AV_OPT_TYPE_BINARY:
len = *(int*)(((uint8_t *)dst) + sizeof(uint8_t *));
if ((uint64_t)len*2 + 1 > INT_MAX)
@ -368,7 +368,7 @@ int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
if (ret >= sizeof(buf))
return AVERROR(EINVAL);
*out_val = av_strdup(buf);
return 0;
return *out_val ? 0 : AVERROR(ENOMEM);
}
static int get_number(void *obj, const char *name, double *num, int *den, int64_t *intnum,
@ -828,6 +828,8 @@ int main(void)
test_ctx.class = &test_class;
av_opt_set_defaults(&test_ctx);
test_ctx.string = av_strdup("default");
if (!test_ctx.string)
return AVERROR(ENOMEM);
av_log_set_level(AV_LOG_DEBUG);