textio: contify various APIs

textio/textio.h

@@ -74,10 +74,10 @@ extern void TxPrintf(const char *, ...) ATTR_FORMAT_PRINTF_1;
 extern char *TxPrintString(const char *, ...) ATTR_FORMAT_PRINTF_1;
 
 /* input procedures */
-extern char *TxGetLinePrompt(char *dest, int maxChars, char *prompt);
+extern char *TxGetLinePrompt(char *dest, int maxChars, const char *prompt);
 extern char *TxGetLine(char *line, int len);
 extern int TxGetChar(void);
-extern int TxDialog(char *prompt, char *(responses[]), int defresp);
+extern int TxDialog(const char *prompt, const char * const *responses, int defresp);
 
 /* prompting procedures */
 extern void TxSetPrompt(char ch);
@@ -96,7 +96,7 @@ extern char TxInterruptChar;		/* The current interrupt character */
 extern void TxDispatch(FILE *f);
 
 /* C99 compat */
-extern void TxMore(char *mesg);
+extern void TxMore(const char *mesg);
 extern void txGetFileCommand(FILE *f, DQueue *queue);
 
 /* variables that tell if stdin and stdout are to a terminal */

textio/textioInt.h

@@ -58,7 +58,7 @@ extern void txFprintfBasic(FILE *f, const char *fmt, ...) ATTR_FORMAT_PRINTF_2;
 /* C99 compat */
 extern void txCommandsInit(void);
 extern int TranslateChar(int key);
-extern char *TxGetLineWPrompt(char *dest, int maxChars, char *prompt, char *prefix);
+extern char *TxGetLineWPrompt(char *dest, int maxChars, const char *prompt, const char *prefix);
 
 #ifdef MAGIC_WRAPPER
 /* tcltk/tclmagic.c has a function implementation prototype mimics vfprintf() mapping

textio/txCommands.c

@@ -636,7 +636,7 @@ unsigned char txLogFlags;
 
 void
 TxLogStart(
-    char *fileName,
+    const char *fileName,
     MagWindow *mw)	 /* Window commands are logged from */
 {
     if (txLogFile != NULL)
@@ -1014,7 +1014,7 @@ TxGetInputEvent(
 
 void
 TxParseString(
-    char *str,			/* The string to be parsed. */
+    const char *str,		/* The string to be parsed. */
     DQueue *q,			/* Add to the tail of this queue. */
     TxInputEvent *event)	/* An event to supply the point, window ID,
 				 * etc. .  If NULL, we will use the last

textio/txInput.c

@@ -261,7 +261,7 @@ static const struct cmd_spec {
 
 /* Characters for input processing.  Set to -1 if not defined */
 
-char *TxGetLinePfix();
+char *TxGetLinePfix(char *dest, int maxChars, const char *prefix);
 
 char txEraseChar = -1;		/* Erase line (e.g. ^H) */
 char txKillChar = -1;		/* Kill line (e.g. ^U or ^X) */
@@ -323,8 +323,8 @@ TxReprint(void)
 
 int
 TxDialog(
-    char *prompt,
+    const char *prompt,
-    char *responses[],
+    const char * const *responses,
     int deflt)
 {
     int code;
@@ -999,8 +999,8 @@ char *
 TxGetLineWPrompt(
     char *dest,
     int maxChars,
-    char *prompt,
+    const char *prompt,
-    char *prefix)
+    const char *prefix)
 {
     char *res, *hist_res, *tmp;
     int return_nothing = 0;
@@ -1086,7 +1086,7 @@ char *
 TxGetLinePrompt(
     char *dest,
     int maxChars,
-    char *prompt)
+    const char *prompt)
 {
     return TxGetLineWPrompt(dest, maxChars, prompt, NULL);
 }
@@ -1117,7 +1117,7 @@ char *
 TxGetLinePfix(
     char *dest,
     int maxChars,
-    char *prefix)
+    const char *prefix)
 {
     int i;
     char *ret;

textio/txMore.c

@@ -46,7 +46,7 @@ static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/
 
 void
 TxMore(
-    char *mesg)
+    const char *mesg)
 {
     char prompt[512];
     char line[512];

textio/txcommands.h

@@ -131,7 +131,7 @@ extern void TxClearPoint(void);
 
 /* Routines to handle command logging.
  */
-extern void TxLogStart(char *fileName, MagWindow *mw);
+extern void TxLogStart(const char *fileName, MagWindow *mw);
 extern void TxLogStop(void);
 extern void TxLogUpdate(void);
 extern void TxLogSuspend(void);
@@ -155,7 +155,7 @@ extern void TxReleaseButton(int but);
 extern void TxPrintCommand(TxCommand *cmd);
 extern TxCommand *TxNewCommand(void);
 extern void TxFreeCommand(TxCommand *command);
-extern void TxParseString(char *str, void *q, void *event);
+extern void TxParseString(const char *str, void *q, void *event);
 extern void TxDispatch(FILE *f);
 extern void TxRebuildCommand(TxCommand *cmd);
 extern int TxCommandNumber;	/* Serial number of current command. */