* doprnt.c, indent.c, character.c: conform to C89 pointer rules

src/ChangeLog

@@ -24,6 +24,11 @@
 	* process.c (read_process_output, send_process, Fprocess_send_region):
 	Likewise.
 	* callproc.c (Fcall_process): Likewise.
+	* doprnt.c (doprnt): Likewise.
+	* indent.c (compute_motion): Likewise.
+	* character.c (strwidth): Make its argument const char *, not const
+	unsigned char *, since more callers prefer it that way.  All callers
+	changed.
 2011-02-06  Paul Eggert  <eggert@cs.ucla.edu>

src/character.c

@@ -395,9 +395,9 @@ c_string_width (const unsigned char *str, EMACS_INT len, int precision,
    occupies on the screen.  */
 
 EMACS_INT
-strwidth (const unsigned char *str, EMACS_INT len)
+strwidth (const char *str, EMACS_INT len)
 {
-  return c_string_width (str, len, -1, NULL, NULL);
+  return c_string_width ((const unsigned char *) str, len, -1, NULL, NULL);
 }
 
 /* Return width of Lisp string STRING when displayed in the current

src/character.h

@@ -612,7 +612,7 @@ extern EMACS_INT str_to_multibyte (unsigned char *, EMACS_INT, EMACS_INT);
 extern EMACS_INT str_as_unibyte (unsigned char *, EMACS_INT);
 extern EMACS_INT str_to_unibyte (const unsigned char *, unsigned char *,
                                  EMACS_INT, int);
-extern EMACS_INT strwidth (const unsigned char *, EMACS_INT);
+extern EMACS_INT strwidth (const char *, EMACS_INT);
 extern EMACS_INT c_string_width (const unsigned char *, EMACS_INT, int,
 				 EMACS_INT *, EMACS_INT *);
 extern EMACS_INT lisp_string_width (Lisp_Object, int,
@@ -630,4 +630,3 @@ extern Lisp_Object string_escape_byte8 (Lisp_Object);
   do { (sym) = intern_c_string ((name)); staticpro (&(sym)); } while (0)
 
 #endif /* EMACS_CHARACTER_H */
-

src/doprnt.c

@@ -71,11 +71,11 @@ doprnt (char *buffer, register int bufsize, const char *format,
   char *big_buffer = 0;
 
   register int tem;
-  unsigned char *string;
+  char *string;
   char fixed_buffer[20];	/* Default buffer for small formatting. */
   char *fmtcpy;
   int minlen;
-  unsigned char charbuf[MAX_MULTIBYTE_LENGTH + 1];	/* Used for %c.  */
+  char charbuf[MAX_MULTIBYTE_LENGTH + 1];	/* Used for %c.  */
 
   if (format_end == 0)
     format_end = format + strlen (format);
@@ -97,7 +97,7 @@ doprnt (char *buffer, register int bufsize, const char *format,
 
 	  fmt++;
 	  /* Copy this one %-spec into fmtcpy.  */
-	  string = (unsigned char *) fmtcpy;
+	  string = fmtcpy;
 	  *string++ = '%';
 	  while (1)
 	    {
@@ -166,7 +166,7 @@ doprnt (char *buffer, register int bufsize, const char *format,
 		abort ();
 	      sprintf (sprintf_buffer, fmtcpy, va_arg(ap, char *));
 	      /* Now copy into final output, truncating as nec.  */
-	      string = (unsigned char *) sprintf_buffer;
+	      string = sprintf_buffer;
 	      goto doit;
 
 	    case 'f':
@@ -176,7 +176,7 @@ doprnt (char *buffer, register int bufsize, const char *format,
 		double d = va_arg(ap, double);
 		sprintf (sprintf_buffer, fmtcpy, d);
 		/* Now copy into final output, truncating as nec.  */
-		string = (unsigned char *) sprintf_buffer;
+		string = sprintf_buffer;
 		goto doit;
 	      }
 
@@ -185,7 +185,7 @@ doprnt (char *buffer, register int bufsize, const char *format,
 	    case 's':
 	      if (fmtcpy[1] != 's')
 		minlen = atoi (&fmtcpy[1]);
-	      string = va_arg(ap, unsigned char *);
+	      string = va_arg (ap, char *);
 	      tem = strlen (string);
 	      width = strwidth (string, tem);
 	      goto doit1;
@@ -242,7 +242,7 @@ doprnt (char *buffer, register int bufsize, const char *format,
 		   both are passed the same way, otherwise we'll need
 		   to rewrite callers.  */
 		EMACS_INT chr = va_arg(ap, EMACS_INT);
-		tem = CHAR_STRING ((int) chr, charbuf);
+		tem = CHAR_STRING ((int) chr, (unsigned char *) charbuf);
 		string = charbuf;
 		string[tem] = 0;
 		width = strwidth (string, tem);
@@ -277,4 +277,3 @@ doprnt (char *buffer, register int bufsize, const char *format,
   *bufptr = 0;		/* Make sure our string end with a '\0' */
   return bufptr - buffer;
 }
-

src/indent.c

@@ -1250,7 +1250,7 @@ compute_motion (EMACS_INT from, EMACS_INT fromvpos, EMACS_INT fromhpos, int did_
 	      unsigned char *ovstr;
 	      EMACS_INT ovlen = overlay_strings (pos, win, &ovstr);
 	      hpos += ((multibyte && ovlen > 0)
-		       ? strwidth (ovstr, ovlen) : ovlen);
+		       ? strwidth ((char *) ovstr, ovlen) : ovlen);
 	    }
 	  did_motion = 0;