Eliding four function calls by not comparing with an

empty string but checking for the terminating '\0'.
Patch by David Lawrence Ramsey.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4949 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -1,5 +1,7 @@
 2014-06-09  David Lawrence Ramsey  <pooka109@gmail.com>
 	* src/*.c: Cosmetic tweaks of comments and whitespace.
+	* src/help.c, src/rcfile.c, src/winio.c: Elide a function call by
+	not comparing with an empty string but checking for the final \0.
 
 2014-06-09  Benno Schulenberg  <bensberg@justemail.net>
 	* src/nano.c (do_input): Remove two superfluous false conditions.

src/help.c

@@ -419,7 +419,7 @@ void help_init(void)
 	if ((f->menus & currmenu) == 0)
 	    continue;
 
-	if (!f->desc || !strcmp(f->desc, ""))
+	if (!f->desc || f->desc[0] == '\0')
 	    continue;
 
 	/* Let's simply show the first two shortcuts from the list. */

src/rcfile.c

@@ -446,7 +446,7 @@ void parse_binding(char *ptr, bool dobind)
 	funcptr = ptr;
 	ptr = parse_next_word(ptr);
 
-	if (!strcmp(funcptr, "")) {
+	if (funcptr[0] == '\0') {
 	    rcfile_error(N_("Must specify a function to bind the key to"));
 	    return;
 	}
@@ -455,7 +455,7 @@ void parse_binding(char *ptr, bool dobind)
     menuptr = ptr;
     ptr = parse_next_word(ptr);
 
-    if (!strcmp(menuptr, "")) {
+    if (menuptr[0] == '\0') {
 	/* TRANSLATORS: Do not translate the word "all". */
 	rcfile_error(N_("Must specify a menu (or \"all\") in which to bind/unbind the key"));
 	return;

src/winio.c

@@ -2248,7 +2248,7 @@ void set_modified(void)
 	titlebar(NULL);
 #ifndef NANO_TINY
 	if (ISSET(LOCKING)) {
-	    if (!strcmp(openfile->filename, ""))
+	    if (openfile->filename[0] == '\0')
 		return;
 	    else if (openfile->lock_filename == NULL) {
                 /* TRANSLATORS: Try to keep this at most 76 characters. */