(streq, strneq): Use == NULL rather than !.

370e3d9d · Richard M. Stallman · beb403b3 · 370e3d9d
Commit 370e3d9d authored Dec 19, 1996 by Richard M. Stallman
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Showing with 4 additions and 2 deletions

lib-src/etags.c lib-src/etags.c +4 -2

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--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -109,8 +109,10 @@ extern int errno;
 #define C_STAR	0x00003		/* C* */
 #define YACC	0x10000		/* yacc file */

-#define streq(s,t)	((DEBUG &&!(s)&&!(t)&&(abort(),1)) || !strcmp(s,t))
-#define strneq(s,t,n)	((DEBUG &&!(s)&&!(t)&&(abort(),1)) || !strncmp(s,t,n))
+#define streq(s,t)	((DEBUG && (s) == NULL && (t) == NULL	\
+			  && (abort (), 1)) || !strcmp (s, t))
+#define strneq(s,t,n)	((DEBUG && (s) == NULL && (t) == NULL	\
+			  && (abort (), 1)) || !strncmp (s, t, n))

 #define lowcase(c)	tolower ((char)c)