> 在 2019年9月16日,下午7:25,lance.lmw...@gmail.com 写道:
> 
> From: Limin Wang <lance.lmw...@gmail.com>
> 
> Reviewed-by: Liu Steven <l...@chinaffmpeg.org>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavformat/hlsenc.c | 26 ++------------------------
> 1 file changed, 2 insertions(+), 24 deletions(-)
> 
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index 1f2bdfbe4d..d663785e4a 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -1613,16 +1613,13 @@ static int hls_start(AVFormatContext *s, 
> VariantStream *vs)
>             if (c->use_localtime_mkdir) {
>                 const char *dir;
>                 char *fn_copy = av_strdup(oc->url);
> -                if (!fn_copy) {
> -                    return AVERROR(ENOMEM);
> -                }
>                 dir = av_dirname(fn_copy);
>                 if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
>                     av_log(oc, AV_LOG_ERROR, "Could not create directory %s 
> with use_localtime_mkdir\n", dir);
> -                    av_free(fn_copy);
> +                    av_freep(&fn_copy);
>                     return AVERROR(errno);
>                 }
> -                av_free(fn_copy);
> +                av_freep(&fn_copy);
>             }
>         } else {
>             char *filename = NULL;
> @@ -1784,11 +1781,6 @@ static int validate_name(int nb_vs, const char *fn)
>     }
> 
>     fn_dup = av_strdup(fn);
> -    if (!fn_dup) {
> -        ret = AVERROR(ENOMEM);
> -        goto fail;
> -    }
> -
>     filename = av_basename(fn);
>     subdir_name = av_dirname(fn_dup);
> 
> @@ -1846,11 +1838,6 @@ static int format_name(const char *buf, char **s, int 
> index, const char *varname
>     /* if %v is present in the file's directory, create sub-directory */
>     if (av_stristr(dir, "%v") && proto && !strcmp(proto, "file")) {
>         mod_buf_dup = av_strdup(*s);
> -        if (!mod_buf_dup) {
> -            ret = AVERROR(ENOMEM);
> -            goto fail;
> -        }
> -
>         dir = av_dirname(mod_buf_dup);
>         if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
>             ret = AVERROR(errno);
> @@ -2151,11 +2138,6 @@ static int update_master_pl_info(AVFormatContext *s)
>     int ret = 0;
> 
>     fn1 = av_strdup(s->url);
> -    if (!fn1) {
> -        ret = AVERROR(ENOMEM);
> -        goto fail;
> -    }
> -
>     dir = av_dirname(fn1);
> 
>     /**
> @@ -2164,10 +2146,6 @@ static int update_master_pl_info(AVFormatContext *s)
>      */
>     if (dir && av_stristr(av_basename(dir), "%v")) {
>         fn2 = av_strdup(dir);
> -        if (!fn2) {
> -            ret = AVERROR(ENOMEM);
> -            goto fail;
> -        }
>         dir = av_dirname(fn2);
>     }
> 
> -- 
> 2.21.0
> 
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No, they need null pointer check, becase there have http protocol, i have paste 
the output in the last version patch.


Thanks
Steven

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