replace all instances of strncpy() with charcpy(), since the only

difference between them is that the former pads strings with nulls when
they're longer than the number of characters specified, which doesn't
appear to be used anywhere


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2542 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -29,6 +29,12 @@ CVS code -
 	  do_search(), do_replace(), nanogetstr(), and statusq();
 	  removal of remove_node(), insert_node(), and
 	  get_history_completion(). (DLR)
+	- Replace all instances of strncpy() with charcpy(), since the
+	  only difference between them is that the former pads strings
+	  with nulls when they're longer than the number of characters
+	  specified, which doesn't appear to be used anywhere.  Changes
+	  to input_tab(), do_browser(), do_enter(), replace_regexp(),
+	  replace_line(), and mallocstrncpy(). (DLR)
 - cut.c:
   cut_line()
 	- Set placewewant properly after cutting a line, to avoid a
@@ -84,6 +90,8 @@ CVS code -
 	  since the first line in the file is 1. (DLR)
 	- Start the search for a line from fileage instead of current
 	  (again). (DLR)
+  replace_regexp()
+	- Rename variable create_flag to create for consistency. (DLR)
   replace_line()
 	- Make new_line_size and search_match_count size_t's, for
 	  consistency. (DLR)

src/files.c

@@ -2222,7 +2222,7 @@ char *input_tab(char *buf, size_t *place, bool *lastwastab, bool *list)
 	    *lastwastab = FALSE;
 	    buf = charealloc(buf, common_len + buflen - *place + 1);
 	    charmove(buf + common_len, buf + *place, buflen - *place + 1);
-	    strncpy(buf, mzero, common_len);
+	    charcpy(buf, mzero, common_len);
 	    *place = common_len;
 	} else if (*lastwastab == FALSE || num_matches < 2)
 	    *lastwastab = TRUE;
@@ -2718,12 +2718,12 @@ char *do_browser(char *path, DIR *dir)
 		     * mark it as such. */
 		    if (stat(filelist[j], &st) == 0 &&
 			S_ISDIR(st.st_mode)) {
-			strncpy(foo, _("(dir)"), foo_len);
+			charcpy(foo, _("(dir)"), foo_len);
 			foo[foo_len] = '\0';
 		    } else
 			strcpy(foo, "--");
 		} else if (S_ISDIR(st.st_mode)) {
-		    strncpy(foo, _("(dir)"), foo_len);
+		    charcpy(foo, _("(dir)"), foo_len);
 		    foo[foo_len] = '\0';
 		} else if (st.st_size < (1 << 10)) /* less than 1 k. */
 		    sprintf(foo, "%4u  B", (unsigned int)st.st_size);

src/nano.c

@@ -1413,7 +1413,7 @@ void do_enter(void)
     strcpy(&newnode->data[extra], current->data + current_x);
 #ifndef NANO_SMALL
     if (ISSET(AUTOINDENT)) {
-	strncpy(newnode->data, current->data, extra);
+	charcpy(newnode->data, current->data, extra);
 	totsize += mbstrlen(newnode->data);
     }
 #endif

src/proto.h

@@ -513,7 +513,7 @@ void do_research(void);
 #endif
 void replace_abort(void);
 #ifdef HAVE_REGEX_H
-int replace_regexp(char *string, bool create_flag);
+int replace_regexp(char *string, bool create);
 #endif
 char *replace_line(const char *needle);
 ssize_t do_replace_loop(const char *needle, const filestruct

src/search.c

@@ -578,10 +578,10 @@ void replace_abort(void)
 }
 
 #ifdef HAVE_REGEX_H
-int replace_regexp(char *string, bool create_flag)
+int replace_regexp(char *string, bool create)
 {
-    /* Split personality here - if create_flag is FALSE, just calculate
-     * the size of the replacement line (necessary because of
+    /* We have a split personality here.  If create is FALSE, just
+     * calculate the size of the replacement line (necessary because of
      * subexpressions \1 to \9 in the replaced text). */
 
     const char *c = last_replace;
@@ -595,7 +595,7 @@ int replace_regexp(char *string, bool create_flag)
 
 	if (*c != '\\' || num < 1 || num > 9 ||
 		num > search_regexp.re_nsub) {
-	    if (create_flag)
+	    if (create)
 		*string++ = *c;
 	    c++;
 	    new_size++;
@@ -608,17 +608,17 @@ int replace_regexp(char *string, bool create_flag)
 	    /* But add the length of the subexpression to new_size. */
 	    new_size += i;
 
-	    /* And if create_flag is TRUE, append the result of the
+	    /* And if create is TRUE, append the result of the
 	     * subexpression match to the new line. */
-	    if (create_flag) {
-		strncpy(string, current->data + current_x +
+	    if (create) {
+		charcpy(string, current->data + current_x +
 			regmatches[num].rm_so, i);
 		string += i;
 	    }
 	}
     }
 
-    if (create_flag)
+    if (create)
 	*string = '\0';
 
     return new_size;
@@ -634,7 +634,7 @@ char *replace_line(const char *needle)
 #ifdef HAVE_REGEX_H
     if (ISSET(USE_REGEXP)) {
 	search_match_count = regmatches[0].rm_eo - regmatches[0].rm_so;
-	new_line_size = replace_regexp(NULL, 0);
+	new_line_size = replace_regexp(NULL, FALSE);
     } else {
 #endif
 	search_match_count = strlen(needle);
@@ -648,7 +648,7 @@ char *replace_line(const char *needle)
     copy = charalloc(new_line_size);
 
     /* The head of the original line. */
-    strncpy(copy, current->data, current_x);
+    charcpy(copy, current->data, current_x);
 
     /* The replacement text. */
 #ifdef HAVE_REGEX_H

src/utils.c

@@ -350,7 +350,7 @@ char *mallocstrncpy(char *dest, const char *src, size_t n)
 	free(dest);
 
     dest = charalloc(n);
-    strncpy(dest, src, n);
+    charcpy(dest, src, n);
 
     return dest;
 }