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-rw-r--r--src/lj_strfmt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lj_strfmt.c b/src/lj_strfmt.c
index 04aebaa4..bb649fc8 100644
--- a/src/lj_strfmt.c
+++ b/src/lj_strfmt.c
@@ -170,7 +170,7 @@ const char *lj_strfmt_wstrnum(lua_State *L, cTValue *o, MSize *lenp)
170 } else if (tvisbuf(o)) { 170 } else if (tvisbuf(o)) {
171 SBufExt *sbx = bufV(o); 171 SBufExt *sbx = bufV(o);
172 *lenp = sbufxlen(sbx); 172 *lenp = sbufxlen(sbx);
173 return sbx->r; 173 return sbx->r ? sbx->r : "";
174 } else if (tvisint(o)) { 174 } else if (tvisint(o)) {
175 sb = lj_strfmt_putint(lj_buf_tmp_(L), intV(o)); 175 sb = lj_strfmt_putint(lj_buf_tmp_(L), intV(o));
176 } else if (tvisnum(o)) { 176 } else if (tvisnum(o)) {