Don't cache files that are empty or not files. Avoids crashing on the likes of 'HELP .'
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1 changed files with 7 additions and 0 deletions
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@ -143,6 +143,13 @@ cache_file(const char *filename, const char *shortname, int flags)
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rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
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rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
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}
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}
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if (0 == rb_dlink_list_length(&cacheptr->contents))
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{
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/* No contents. Don't cache it after all. */
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rb_free(cacheptr);
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cacheptr = NULL;
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}
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fclose(in);
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fclose(in);
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return cacheptr;
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return cacheptr;
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}
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}
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