Don't dereference a strdup-returned NULL

diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 07995ec33e9079cbbb579947e55fe46c1521d28f..4b6e6391123ed92470f8cbaf8b87286e498dfe00 100644 (file)
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -99,8 +99,8 @@ static void xdl_find_func(xdfile_t *xf, long i, char *buf, long sz, long *ll) {
 }
 
 
-int xdl_emit_common(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
-                   xdemitconf_t const *xecfg) {
+static int xdl_emit_common(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
+                           xdemitconf_t const *xecfg) {
        xdfile_t *xdf = &xe->xdf1;
        const char *rchg = xdf->rchg;
        long ix;
@@ -118,7 +118,7 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
                  xdemitconf_t const *xecfg) {
        long s1, s2, e1, e2, lctx;
        xdchange_t *xch, *xche;
-       char funcbuf[40];
+       char funcbuf[80];
        long funclen = 0;
 
        if (xecfg->flags & XDL_EMIT_COMMON)
@@ -194,4 +194,3 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
 
        return 0;
 }
-