Check for NULL pointer in LT_DLMEM_REASSIGN() before freeing it.

svn path=/trunk/yasm/; revision=769
22 years ago · 53f6123eaf
parent fab557b414
commit 53f6123eaf
1 changed files with 1 additions and 1 deletions
--- a/libltdl/ltdl.c
+++ b/libltdl/ltdl.c
@ -175,7 +175,7 @@ LT_GLOBAL_DATA void   (*lt_dlfree)	LT_PARAMS((lt_ptr ptr))
 #define LT_EREALLOC(tp, p, n)	((tp *) lt_erealloc ((p), (n) * sizeof(tp)))

 #define LT_DLMEM_REASSIGN(p, q)			LT_STMT_START {	\
-	if ((p) != (q)) { lt_dlfree (p); (p) = (q); (q) = 0; }	\
+	if ((p) != (q)) { if (p) lt_dlfree (p); (p) = (q); (q) = 0; }	\
 						} LT_STMT_END