when reading a file in, make sure each line is a valid multibyte string

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2612 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -54,6 +54,9 @@ CVS code -
 	  and NANO_APPEND_KEY are.  Changes to shortcut_init(), usage(),
 	  main(), search_init(), nanorc.sample, nano.1, nanorc.5,
 	  nano.texi, etc. (DLR)
+	- When reading a file in, make sure each line is a valid
+	  multibyte string.  Changes to make_mbstring(), read_line(),
+	  and do_credits(). (DLR)
 - chars.c:
   make_mbstring()
 	- Change erroneous ENABLE_EXTRA #ifdef to NANO_EXTRA to fix a

src/chars.c

@@ -301,7 +301,7 @@ char *make_mbchar(int chr, int *chr_mb_len)
     return chr_mb;
 }
 
-#if defined(ENABLE_NANORC) || defined(NANO_EXTRA)
+#if !defined(NANO_SMALL) || defined(ENABLE_NANORC) || defined(NANO_EXTRA)
 /* Convert the string str to a valid multibyte string with the same wide
  * character values as str.  Return the (dynamically allocated)
  * multibyte string. */

src/files.c

@@ -77,10 +77,16 @@ filestruct *read_line(char *buf, filestruct *prevnode, bool
     fileptr->data = mallocstrcpy(NULL, buf);
 
 #ifndef NANO_SMALL
-    /* If it's a DOS file (CR LF), and file conversion isn't disabled,
-     * strip out the CR part. */
-    if (!ISSET(NO_CONVERT) && len > 0 && buf[len - 1] == '\r')
-	fileptr->data[len - 1] = '\0';
+    if (!ISSET(NO_CONVERT)) {
+	/* If it's a DOS file (CR LF), and file conversion isn't
+	 * disabled, strip the CR part from fileptr->data. */
+	if (len > 0 && buf[len - 1] == '\r')
+	    fileptr->data[len - 1] = '\0';
+
+	/* Make sure fileptr->data is a valid multibyte string. */
+	fileptr->data = mallocstrassn(fileptr->data,
+		make_mbstring(fileptr->data));
+    }
 #endif
 
     if (*first_line_ins || fileage == NULL) {

src/rcfile.c

@@ -557,6 +557,9 @@ void parse_rcfile(FILE *rcstream)
 			if (*option == '"')
 			    option++;
 			ptr = parse_argument(ptr);
+
+			/* Make sure option is a valid multibyte
+			 * string. */
 			option = make_mbstring(option);
 #ifdef DEBUG
 			fprintf(stderr, "option = \"%s\"\n", option);

src/winio.c

@@ -4036,7 +4036,7 @@ void do_credits(void)
 	"David Benbennick",
 	"Ken Tyler",
 	"Sven Guckes",
-	"Florian König",
+	"Florian K\xF6nig",
 	"Pauli Virtanen",
 	"Daniele Medri",
 	"Clement Laforet",