Avoid passing signed chars to <ctype.h> functions ... same old

portability mistake as always.  Per buildfarm member pika.

diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index a482010157b43d426ed451337d950dc98406f3ba..6ab65d8b5fe4eb3dd12964b041b3eca3611713ab 100644 (file)
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2010, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.228 2010/08/14 14:20:35 tgl Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.229 2010/08/25 00:53:37 tgl Exp $
  */
 #include "postgres_fe.h"
 #include "command.h"
@@ -2452,20 +2452,21 @@ strip_lineno_from_funcdesc(char *func)
         */
 
        /* skip trailing whitespace */
-       while (c > func && isascii(*c) && isspace(*c))
+       while (c > func && isascii((unsigned char) *c) && isspace((unsigned char) *c))
                c--;
 
        /* must have a digit as last non-space char */
-       if (c == func || !isascii(*c) || !isdigit(*c))
+       if (c == func || !isascii((unsigned char) *c) || !isdigit((unsigned char) *c))
                return -1;
 
        /* find start of digit string */
-       while (c > func && isascii(*c) && isdigit(*c))
+       while (c > func && isascii((unsigned char) *c) && isdigit((unsigned char) *c))
                c--;
 
        /* digits must be separated from func name by space or closing paren */
        /* notice also that we are not allowing an empty func name ... */
-       if (c == func || !isascii(*c) || !(isspace(*c) || *c == ')'))
+       if (c == func || !isascii((unsigned char) *c) ||
+               !(isspace((unsigned char) *c) || *c == ')'))
                return -1;
 
        /* parse digit string */