add DB's fix for a problem where quoted justify wouldn't work if

HAVE_REGEX_H wasn't set, and don't treat the return values of the string
comparison functions as boolean anymore


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1877 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -65,6 +65,8 @@ CVS code -
 	  once for all errors instead of separately for each error.
 	  Also make sure that each rcfile error message ends in a
 	  newline. (DLR)
+	- Don't treat the return value of strn?(case)?cmp() as boolean.
+	  (DLR and David Benbennick)
 - files.c:
   close_open_file()
 	- Tweak to no longer rely on the return values of
@@ -98,6 +100,9 @@ CVS code -
 	  terminal_init() to make sure that all the original terminal
 	  settings are restored, as a curses-based alternative spell
 	  checker (e.g. aspell) can change them. (DLR)
+  quote_length()
+	- Fix problem where quoted justify wouldn't work if HAVE_REGEX_H
+	  wasn't set. (David Benbennick)
   do_justify()
 	- Add allow_respacing flag, used to indicate when we've moved to
 	  the next line after justifying the current line, and only run

src/color.c

@@ -120,7 +120,7 @@ void update_color(void)
     if (colorstrings == NULL && syntaxstr != NULL) {
 	for (tmpsyntax = syntaxes; tmpsyntax != NULL;
 	     tmpsyntax = tmpsyntax->next) {
-	    if (!strcasecmp(tmpsyntax->desc, syntaxstr))
+	    if (strcasecmp(tmpsyntax->desc, syntaxstr) == 0)
 		colorstrings = tmpsyntax->color;
 	}
     }

src/files.c

@@ -444,7 +444,7 @@ void do_insertfile(int loading_file)
 #endif
 
 #ifndef DISABLE_OPERATINGDIR
-    if (operating_dir != NULL && strcmp(operating_dir, "."))
+    if (operating_dir != NULL && strcmp(operating_dir, ".") != 0)
 #ifdef ENABLE_MULTIBUFFER 
 	if (ISSET(MULTIBUFFER))
 	    i = statusq(TRUE, insertfile_list, inspath,
@@ -1039,7 +1039,7 @@ char *get_full_path(const char *origpath)
     if (d_here != NULL) {
 
 	align(&d_here);
-	if (strcmp(d_here, "/")) {
+	if (strcmp(d_here, "/") != 0) {
 	    d_here = charealloc(d_here, strlen(d_here) + 2);
 	    strcat(d_here, "/");
 	}
@@ -1111,7 +1111,7 @@ char *get_full_path(const char *origpath)
 
 		    /* add a slash to d_there, unless it's "/", in which
 		       case we don't need it */
-		    if (strcmp(d_there, "/")) {
+		    if (strcmp(d_there, "/") != 0) {
 			d_there = charealloc(d_there, strlen(d_there) + 2);
 			strcat(d_there, "/");
 		    }
@@ -1908,14 +1908,14 @@ int do_writeout(int exiting)
 #endif
 
 #ifdef NANO_EXTRA
-	if (exiting && !ISSET(TEMP_FILE) && !strcasecmp(answer, "zzy")
+	if (exiting && !ISSET(TEMP_FILE) && strcasecmp(answer, "zzy") == 0
 		&& !did_cred) {
 	    do_credits();
 	    did_cred = TRUE;
 	    return -1;
 	}
 #endif
-	if (append == 0 && strcmp(answer, filename)) {
+	if (append == 0 && strcmp(answer, filename) != 0) {
 	    struct stat st;
 
 	    if (!stat(answer, &st)) {
@@ -1987,7 +1987,7 @@ char *real_dir_from_tilde(const char *buf)
 	    do {
 		userdata = getpwent();
 	    } while (userdata != NULL &&
-			strncmp(userdata->pw_name, buf + 1, i - 1));
+			strncmp(userdata->pw_name, buf + 1, i - 1) != 0);
 	}
 	endpwent();
 
@@ -2290,7 +2290,7 @@ char *input_tab(char *buf, int place, int *lastwastab, int *newplace,
 	    } else
 		tmp = buf;
 
-	    if (!strcmp(tmp, matches[0]))
+	    if (strcmp(tmp, matches[0]) == 0)
 		is_dir = append_slash_if_dir(buf, lastwastab, newplace);
 
 	    if (is_dir != 0)
@@ -2514,7 +2514,7 @@ char **browser_init(const char *path, int *longest, int *numents)
 
     *numents = 0;
     while ((next = readdir(dir)) != NULL) {
-	if (!strcmp(next->d_name, "."))
+	if (strcmp(next->d_name, ".") == 0)
 	   continue;
 	(*numents)++;
 	if (strlen(next->d_name) > *longest)
@@ -2525,12 +2525,12 @@ char **browser_init(const char *path, int *longest, int *numents)
 
     filelist = (char **)nmalloc(*numents * sizeof (char *));
 
-    if (!strcmp(path, "/"))
+    if (strcmp(path, "/") == 0)
 	path = "";
     path_len = strlen(path);
 
     while ((next = readdir(dir)) != NULL) {
-	if (!strcmp(next->d_name, "."))
+	if (strcmp(next->d_name, ".") == 0)
 	   continue;
 
 	filelist[i] = charalloc(strlen(next->d_name) + path_len + 2);
@@ -2564,7 +2564,7 @@ char *do_browser(const char *inpath)
     /* If path isn't the same as inpath, we are being passed a new
 	dir as an arg.  We free it here so it will be copied from 
 	inpath below */
-    if (path != NULL && strcmp(path, inpath)) {
+    if (path != NULL && strcmp(path, inpath) != 0) {
 	free(path);
 	path = NULL;
     }
@@ -2682,7 +2682,8 @@ char *do_browser(const char *inpath)
 	case 'S': /* Pico compatibility */
 	case 's':
 	    /* You can't cd up from / */
-	    if (!strcmp(filelist[selected], "/..") && !strcmp(path, "/")) {
+	    if (strcmp(filelist[selected], "/..") == 0 &&
+		strcmp(path, "/") == 0) {
 		statusbar(_("Can't move up a directory"));
 		beep();
 		break;

src/nano.c

@@ -1494,7 +1494,7 @@ int do_int_spell_fix(const char *word)
 
 	    do_replace_highlight(FALSE, word);
 
-	    if (i != -1 && strcmp(word, answer)) {
+	    if (i != -1 && strcmp(word, answer) != 0) {
 		search_last_line = FALSE;
 		current_x--;
 		do_replace_loop(word, current_save, &current_x_save, TRUE);
@@ -1971,7 +1971,7 @@ size_t quote_length(const char *line)
     size_t qdepth = 0;
 
     /* Compute quote depth level. */
-    while (!strcmp(line + qdepth, quotestr))
+    while (strncmp(line + qdepth, quotestr, quotelen) == 0)
 	qdepth += quotelen;
     return qdepth;
 #endif	/* !HAVE_REGEX_H */
@@ -1985,7 +1985,7 @@ int quotes_match(const char *a_line, size_t a_quote, const char *b_line)
     /* Here is the assumption about a_quote: */
     assert(a_quote == quote_length(a_line));
     return a_quote == quote_length(b_line) &&
-	!strncmp(a_line, b_line, a_quote);
+	strncmp(a_line, b_line, a_quote) == 0;
 }
 
 /* We assume a_line and b_line have no quote part.  Then, we return
@@ -1996,7 +1996,8 @@ size_t indents_match(const char *a_line, size_t a_indent, const char
     assert(a_indent == indent_length(a_line));
     assert(b_indent == indent_length(b_line));
 
-    return b_indent <= a_indent && !strncmp(a_line, b_line, b_indent);
+    return b_indent <= a_indent &&
+	strncmp(a_line, b_line, b_indent) == 0;
 }
 
 /* Is foo the beginning of a paragraph?

src/rcfile.c

@@ -186,26 +186,26 @@ int colortoint(const char *colorname, int *bright)
     if (colorname == NULL)
 	return -1;
 
-    if (!strncasecmp(colorname, "bright", 6)) {
+    if (strncasecmp(colorname, "bright", 6) == 0) {
 	*bright = 1;
 	colorname += 6;
     }
 
-    if (!strcasecmp(colorname, "green"))
+    if (strcasecmp(colorname, "green") == 0)
 	mcolor = COLOR_GREEN;
-    else if (!strcasecmp(colorname, "red"))
+    else if (strcasecmp(colorname, "red") == 0)
 	mcolor = COLOR_RED;
-    else if (!strcasecmp(colorname, "blue"))
+    else if (strcasecmp(colorname, "blue") == 0)
 	mcolor = COLOR_BLUE;
-    else if (!strcasecmp(colorname, "white"))
+    else if (strcasecmp(colorname, "white") == 0)
 	mcolor = COLOR_WHITE;
-    else if (!strcasecmp(colorname, "yellow"))
+    else if (strcasecmp(colorname, "yellow") == 0)
 	mcolor = COLOR_YELLOW;
-    else if (!strcasecmp(colorname, "cyan"))
+    else if (strcasecmp(colorname, "cyan") == 0)
 	mcolor = COLOR_CYAN;
-    else if (!strcasecmp(colorname, "magenta"))
+    else if (strcasecmp(colorname, "magenta") == 0)
 	mcolor = COLOR_MAGENTA;
-    else if (!strcasecmp(colorname, "black"))
+    else if (strcasecmp(colorname, "black") == 0)
 	mcolor = COLOR_BLACK;
     else {
 	rcfile_error(N_("Color %s not understood.\n"
@@ -353,7 +353,7 @@ void parse_colors(char *ptr)
 	char *bgcolorname;
 	strtok(fgstr, ",");
 	bgcolorname = strtok(NULL, ",");
-	if (!strncasecmp(bgcolorname, "bright", 6)) {
+	if (strncasecmp(bgcolorname, "bright", 6) == 0) {
 	    rcfile_error(N_("Background color %s cannot be bright\n"), bgcolorname);
 	    return;
 	}
@@ -391,7 +391,7 @@ void parse_colors(char *ptr)
 	if (*ptr == '\n' || *ptr == '\0')
 	    break;
 
-	if (!strncasecmp(ptr, "start=", 6)) {
+	if (strncasecmp(ptr, "start=", 6) == 0) {
 	    ptr += 6;
 	    expectend = 1;
 	}
@@ -433,7 +433,7 @@ void parse_colors(char *ptr)
 	}
 
 	if (expectend) {
-	    if (ptr == NULL || strncasecmp(ptr, "end=", 4)) {
+	    if (ptr == NULL || strncasecmp(ptr, "end=", 4) != 0) {
 		rcfile_error(N_("\"start=\" requires a corresponding \"end=\"\n"));
 		return;
 	    }
@@ -494,14 +494,14 @@ void parse_rcfile(FILE *rcstream)
 	    continue;
 
 	/* Else try to parse the keyword */
-	if (!strcasecmp(keyword, "set"))
+	if (strcasecmp(keyword, "set") == 0)
 	    set = 1;
-	else if (!strcasecmp(keyword, "unset"))
+	else if (strcasecmp(keyword, "unset") == 0)
 	    set = -1;
 #ifdef ENABLE_COLOR
-	else if (!strcasecmp(keyword, "syntax"))
+	else if (strcasecmp(keyword, "syntax") == 0)
 	    parse_syntax(ptr);
-	else if (!strcasecmp(keyword, "color"))
+	else if (strcasecmp(keyword, "color") == 0)
 	    parse_colors(ptr);
 #endif				/* ENABLE_COLOR */
 	else {
@@ -515,32 +515,32 @@ void parse_rcfile(FILE *rcstream)
 
 	if (set != 0) {
 	    for (i = 0; rcopts[i].name != NULL; i++) {
-		if (!strcasecmp(option, rcopts[i].name)) {
+		if (strcasecmp(option, rcopts[i].name) == 0) {
 #ifdef DEBUG
 		    fprintf(stderr, "%s: Parsing option %s\n", 
 			    "parse_rcfile()", rcopts[i].name);
 #endif
 		    if (set == 1) {
-			if (!strcasecmp(rcopts[i].name, "tabsize")
+			if (strcasecmp(rcopts[i].name, "tabsize") == 0
 #ifndef DISABLE_OPERATINGDIR
-				|| !strcasecmp(rcopts[i].name, "operatingdir")
+				|| strcasecmp(rcopts[i].name, "operatingdir") == 0
 #endif
 #ifndef DISABLE_WRAPJUSTIFY
-				|| !strcasecmp(rcopts[i].name, "fill")
+				|| strcasecmp(rcopts[i].name, "fill") == 0
 #endif
 #ifndef NANO_SMALL
-				|| !strcasecmp(rcopts[i].name, "whitespace")
+				|| strcasecmp(rcopts[i].name, "whitespace") == 0
 #endif
 #ifndef DISABLE_JUSTIFY
-				|| !strcasecmp(rcopts[i].name, "punct")
-				|| !strcasecmp(rcopts[i].name, "brackets")
-				|| !strcasecmp(rcopts[i].name, "quotestr")
+				|| strcasecmp(rcopts[i].name, "punct") == 0
+				|| strcasecmp(rcopts[i].name, "brackets") == 0
+				|| strcasecmp(rcopts[i].name, "quotestr") == 0
 #endif
 #ifndef NANO_SMALL
-			        || !strcasecmp(rcopts[i].name, "backupdir")
+			        || strcasecmp(rcopts[i].name, "backupdir") == 0
 #endif
 #ifndef DISABLE_SPELLER
-				|| !strcasecmp(rcopts[i].name, "speller")
+				|| strcasecmp(rcopts[i].name, "speller") == 0
 #endif
 				) {
 			    if (*ptr == '\n' || *ptr == '\0') {
@@ -555,12 +555,12 @@ void parse_rcfile(FILE *rcstream)
 			    fprintf(stderr, "option = %s\n", option);
 #endif
 #ifndef DISABLE_OPERATINGDIR
-			    if (!strcasecmp(rcopts[i].name, "operatingdir"))
+			    if (strcasecmp(rcopts[i].name, "operatingdir") == 0)
 				operating_dir = mallocstrcpy(NULL, option);
 			    else
 #endif
 #ifndef DISABLE_WRAPJUSTIFY
-			    if (!strcasecmp(rcopts[i].name, "fill")) {
+			    if (strcasecmp(rcopts[i].name, "fill") == 0) {
 				if (parse_num(option, &wrap_at) == -1) {
 				    rcfile_error(N_("Requested fill size %s invalid\n"), option);
 				    wrap_at = -CHARS_FROM_EOL;
@@ -568,7 +568,7 @@ void parse_rcfile(FILE *rcstream)
 			    } else
 #endif
 #ifndef NANO_SMALL
-			    if (!strcasecmp(rcopts[i].name, "whitespace")) {
+			    if (strcasecmp(rcopts[i].name, "whitespace") == 0) {
 				size_t ws_len;
 				whitespace = mallocstrcpy(NULL, option);
 				ws_len = strlen(whitespace);
@@ -580,35 +580,35 @@ void parse_rcfile(FILE *rcstream)
 			    } else
 #endif
 #ifndef DISABLE_JUSTIFY
-			    if (!strcasecmp(rcopts[i].name, "punct")) {
+			    if (strcasecmp(rcopts[i].name, "punct") == 0) {
 				punct = mallocstrcpy(NULL, option);
 				if (strchr(punct, '\t') != NULL || strchr(punct, ' ') != NULL) {
 				    rcfile_error(N_("Non-tab and non-space characters required\n"));
 				    free(punct);
 				    punct = NULL;
 				}
-			    } else if (!strcasecmp(rcopts[i].name, "brackets")) {
+			    } else if (strcasecmp(rcopts[i].name, "brackets") == 0) {
 				brackets = mallocstrcpy(NULL, option);
 				if (strchr(brackets, '\t') != NULL || strchr(brackets, ' ') != NULL) {
 				    rcfile_error(N_("Non-tab and non-space characters required\n"));
 				    free(brackets);
 				    brackets = NULL;
 				}
-			    } else if (!strcasecmp(rcopts[i].name, "quotestr"))
+			    } else if (strcasecmp(rcopts[i].name, "quotestr") == 0)
 				quotestr = mallocstrcpy(NULL, option);
 			    else
 #endif
 #ifndef NANO_SMALL
-			    if (!strcasecmp(rcopts[i].name, "backupdir"))
+			    if (strcasecmp(rcopts[i].name, "backupdir") == 0)
 				backup_dir = mallocstrcpy(NULL, option);
 			    else
 #endif
 #ifndef DISABLE_SPELLER
-			    if (!strcasecmp(rcopts[i].name, "speller"))
+			    if (strcasecmp(rcopts[i].name, "speller") == 0)
 				alt_speller = mallocstrcpy(NULL, option);
 			    else
 #endif
-			    if (!strcasecmp(rcopts[i].name, "tabsize")) {
+			    if (strcasecmp(rcopts[i].name, "tabsize") == 0) {
 				if (parse_num(option, &tabsize) == -1 || tabsize <= 0)
 				    rcfile_error(N_("Requested tab size %s invalid\n"), option);
 				    tabsize = -1;

src/winio.c

@@ -1736,7 +1736,8 @@ int nanogetstr(int allowtabs, const char *buf, const char *def,
 		   search history, and we need to save the current
 		   answer in currentbuf; do this and reset use_cb to
 		   0 */
-		if (currentbuf == NULL || (use_cb == 1 && strcmp(currentbuf, answer))) {
+		if (currentbuf == NULL || (use_cb == 1 &&
+			strcmp(currentbuf, answer) != 0)) {
 		    currentbuf = mallocstrcpy(currentbuf, answer);
 		    use_cb = 0;
 		}
@@ -1747,7 +1748,8 @@ int nanogetstr(int allowtabs, const char *buf, const char *def,
 		   we need to make the string in currentbuf the current
 		   answer; do this, blow away currentbuf since we don't
 		   need it anymore, and reset use_cb to 0 */
-		if (currentbuf != NULL && use_cb == 2 && strcmp(currentbuf, answer)) {
+		if (currentbuf != NULL && use_cb == 2 &&
+			strcmp(currentbuf, answer) != 0) {
 		    answer = mallocstrcpy(answer, currentbuf);
 		    free(currentbuf);
 		    currentbuf = NULL;