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avfilter/af_ladspa: check return value of getenv()
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@ -469,6 +469,7 @@ static av_cold int init(AVFilterContext *ctx)
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} else {
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// argument is a shared object name
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char *paths = av_strdup(getenv("LADSPA_PATH"));
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const char *home_path = getenv("HOME");
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const char *separator = ":";
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if (paths) {
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@ -480,12 +481,12 @@ static av_cold int init(AVFilterContext *ctx)
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}
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av_free(paths);
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if (!s->dl_handle && (paths = av_asprintf("%s/.ladspa", getenv("HOME")))) {
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if (!s->dl_handle && home_path && (paths = av_asprintf("%s/.ladspa", home_path))) {
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s->dl_handle = try_load(paths, s->dl_name);
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av_free(paths);
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}
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if (!s->dl_handle && (paths = av_asprintf("%s/.ladspa/lib", getenv("HOME")))) {
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if (!s->dl_handle && home_path && (paths = av_asprintf("%s/.ladspa/lib", home_path))) {
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s->dl_handle = try_load(paths, s->dl_name);
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av_free(paths);
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}
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