From 74374cc8a40c450423785015c2e30d5a2ed2920c Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Mon, 31 Oct 2005 16:42:32 +0000
Subject: ctype sign fixes (Tom Miller)

---
 src/cmd/grap/input.c | 8 ++++----
 src/cmd/grap/print.c | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

(limited to 'src/cmd/grap')

diff --git a/src/cmd/grap/input.c b/src/cmd/grap/input.c
index 1e90cb9a..509fb01b 100644
--- a/src/cmd/grap/input.c
+++ b/src/cmd/grap/input.c
@@ -277,9 +277,9 @@ nextchar(void)
 				ERROR "argfp underflow" FATAL;
 			popsrc();
 			goto loop;
-		} else if (c == '$' && isdigit(*srcp->sp)) {	/* $3 */
+		} else if (c == '$' && isdigit((uchar)*srcp->sp)) {	/* $3 */
 			int n = 0;
-			while (isdigit(*srcp->sp))
+			while (isdigit((uchar)*srcp->sp))
 				n = 10 * n + *srcp->sp++ - '0';
 			if (n > 0 && n <= MAXARGS)
 				pushsrc(String, argfp->argstk[n-1]);
@@ -456,11 +456,11 @@ void eprint(void)	/* try to print context around error */
 	for (q=ep-1; q>=p && *q!=' ' && *q!='\t' && *q!='\n'; q--)
 		;
 	for (; p < q; p++)
-		if (isprint(*p))
+		if (isprint((uchar)*p))
 			putc(*p, stderr);
 	fprintf(stderr, " >>> ");
 	for (; p < q; p++)
-		if (isprint(*p))
+		if (isprint((uchar)*p))
 			putc(*p, stderr);
 	fprintf(stderr, " <<< ");
 	while (pb >= pbuf)
diff --git a/src/cmd/grap/print.c b/src/cmd/grap/print.c
index 1ce32116..5a2e4e78 100644
--- a/src/cmd/grap/print.c
+++ b/src/cmd/grap/print.c
@@ -147,7 +147,7 @@ void graph(char *s)	/* graph statement */
 			s++;
 		if (c == '\0')
 			ERROR "no name on graph statement" WARNING;
-		if (!isupper(s[0]))
+		if (!isupper((uchar)s[0]))
 			ERROR "graph name %s must be capitalized", s WARNING;
 		for (p=graphname; (c = *s) != ' ' && c != '\t' && c != '\0'; )
 			*p++ = *s++;
-- 
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