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fix: avoid NULL deref in cjson.encode_indent() with no args / nil #124

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fix: avoid NULL deref in cjson.encode_indent() with no args / nil #124

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2 changes: 1 addition & 1 deletion lua_cjson.c
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Original file line number Diff line number Diff line change
Expand Up @@ -433,7 +433,7 @@ static int json_cfg_encode_indent(lua_State *l)

json_string_option(l, 1, &cfg->encode_indent);
/* simplify further checking */
if (cfg->encode_indent[0] == '\0') cfg->encode_indent = NULL;
if (cfg->encode_indent && cfg->encode_indent[0] == '\0') cfg->encode_indent = NULL;

return 1;
}
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