[Support] Fix REDEBUG compilation

diff --git a/llvm/lib/Support/regengine.inc b/llvm/lib/Support/regengine.inc
index 02680e2..3b7014a 100644 (file)
--- a/llvm/lib/Support/regengine.inc
+++ b/llvm/lib/Support/regengine.inc
@@ -106,10 +106,11 @@ static states step(struct re_guts *, sopno, sopno, states, int, states);
 #define        NONCHAR(c)      ((c) > CHAR_MAX)
 #define        NNONCHAR        (CODEMAX-CHAR_MAX)
 #ifdef REDEBUG
-static void print(struct match *, char *, states, int, FILE *);
+static void print(struct match *, const char *, states, int, FILE *);
 #endif
 #ifdef REDEBUG
-static void at(struct match *, char *, char *, char *, sopno, sopno);
+static void at(
+       struct match *, const char *, const char *, const char *, sopno, sopno);
 #endif
 #ifdef REDEBUG
 static char *pchar(int);
@@ -997,7 +998,7 @@ step(struct re_guts *g,
  - print - print a set of states
  */
 static void
-print(struct match *m, char *caption, states st, int ch, FILE *d)
+print(struct match *m, const char *caption, states st, int ch, FILE *d)
 {
        struct re_guts *g = m->g;
        int i;
@@ -1021,8 +1022,8 @@ print(struct match *m, char *caption, states st, int ch, FILE *d)
  - at - print current situation
  */
 static void
-at(struct match *m, char *title, char *start, char *stop, sopno startst,
-    sopno stopst)
+at(struct match *m, const char *title, const char *start, const char *stop,
+       sopno startst, sopno stopst)
 {
        if (!(m->eflags&REG_TRACE))
                return;
@@ -1047,7 +1048,7 @@ pchar(int ch)
 {
        static char pbuf[10];
 
-       if (isPrint(ch) || ch == ' ')
+       if (isprint(ch) || ch == ' ')
                (void)snprintf(pbuf, sizeof pbuf, "%c", ch);
        else
                (void)snprintf(pbuf, sizeof pbuf, "\\%o", ch);