handle possible buffer max-out with snprintfs as errors
no warnings now.
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857db46c96
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ae961da8dd
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@ -58,10 +58,14 @@ _thumbpath(const char *file)
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unsigned char sum[20];
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if (!sha1((unsigned char *)file, strlen(file), sum)) return NULL;
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snprintf(buf_base, sizeof(buf_base), "%s/rage/albumart/%02x",
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efreet_cache_home_get(), sum[0]);
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if ((size_t)snprintf(buf_base, sizeof(buf_base), "%s/rage/albumart/%02x",
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efreet_cache_home_get(), sum[0]) >= sizeof(buf_base))
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{
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fprintf(stderr, "Not enough buffer space for thumb path");
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return NULL;
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}
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if (!ecore_file_mkpath(buf_base)) return NULL;
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snprintf(buf_file, sizeof(buf_base),
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if ((size_t)snprintf(buf_file, sizeof(buf_base),
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"%s/%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
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"%02x%02x%02x%02x%02x%02x%02x%02x.jpg",
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buf_base,
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@ -69,7 +73,11 @@ _thumbpath(const char *file)
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sum[4], sum[5], sum[6], sum[7],
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sum[8], sum[9], sum[10], sum[11],
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sum[12], sum[13], sum[14], sum[15],
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sum[16], sum[17], sum[18], sum[19]);
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sum[16], sum[17], sum[18], sum[19]) >= sizeof(buf_base))
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{
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fprintf(stderr, "Not enough buffer space for thumb path");
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return NULL;
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}
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return strdup(buf_file);
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}
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@ -108,9 +108,13 @@ _cb_loaded(void *data, Evas_Object *obj, void *info EINA_UNUSED)
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evas_object_image_size_get(vidimage, &iw, &ih);
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if (!sha1((unsigned char *)file, strlen(file), sum)) exit(2);
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if (!efreet_cache_home_get()) exit(3);
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snprintf(buf_base, sizeof(buf_base), "%s/rage/thumb/%02x",
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efreet_cache_home_get(), sum[0]);
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snprintf(buf_file, sizeof(buf_file),
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if ((size_t)snprintf(buf_base, sizeof(buf_base), "%s/rage/thumb/%02x",
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efreet_cache_home_get(), sum[0]) >= sizeof(buf_base))
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{
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fprintf(stderr, "Not enough buffer space for thumb path");
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return;
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}
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if ((size_t)snprintf(buf_file, sizeof(buf_file),
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"%s/%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
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"%02x%02x%02x%02x%02x%02x%02x%02x.eet",
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buf_base,
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@ -118,8 +122,16 @@ _cb_loaded(void *data, Evas_Object *obj, void *info EINA_UNUSED)
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sum[4], sum[5], sum[6], sum[7],
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sum[8], sum[9], sum[10], sum[11],
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sum[12], sum[13], sum[14], sum[15],
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sum[16], sum[17], sum[18], sum[19]);
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snprintf(buf_file2, sizeof(buf_file2), "%s.tmp", buf_file);
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sum[16], sum[17], sum[18], sum[19]) >= sizeof(buf_file))
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{
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fprintf(stderr, "Not enough buffer space for thumb path");
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return;
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}
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if ((size_t)snprintf(buf_file2, sizeof(buf_file2), "%s.tmp", buf_file) >= sizeof(buf_file2))
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{
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fprintf(stderr, "Not enough buffer space for thumb path");
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return;
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}
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if (!ecore_file_mkpath(buf_base)) exit(4);
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ef = eet_open(buf_file2, EET_FILE_MODE_WRITE);
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if (!ef) exit(5);
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@ -388,9 +388,13 @@ _videothumb_image_load(Evas_Object *obj)
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{
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if (!sha1((unsigned char *)sd->realpath, strlen(sd->realpath), sum))
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return;
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snprintf(buf_base, sizeof(buf_base), "%s/rage/thumb/%02x",
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efreet_cache_home_get(), sum[0]);
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snprintf(buf_file, sizeof(buf_base),
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if ((size_t)snprintf(buf_base, sizeof(buf_base), "%s/rage/thumb/%02x",
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efreet_cache_home_get(), sum[0]) >= sizeof(buf_base))
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{
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fprintf(stderr, "Not enough buffer space for thumb path");
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return;
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}
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if ((size_t)snprintf(buf_file, sizeof(buf_base),
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"%s/%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
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"%02x%02x%02x%02x%02x%02x%02x%02x.eet",
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buf_base,
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@ -398,7 +402,11 @@ _videothumb_image_load(Evas_Object *obj)
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sum[4], sum[5], sum[6], sum[7],
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sum[8], sum[9], sum[10], sum[11],
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sum[12], sum[13], sum[14], sum[15],
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sum[16], sum[17], sum[18], sum[19]);
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sum[16], sum[17], sum[18], sum[19]) >= sizeof(buf_file))
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{
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fprintf(stderr, "Not enough buffer space for thumb path");
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return;
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}
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if (sd->realfile) eina_stringshare_del(sd->realfile);
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sd->realfile = eina_stringshare_add(buf_file);
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sd->realpos = (((unsigned int)(sd->pos * 1000.0)) / 10000) * 10000;
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