From: ceriel <none@none>
Date: Fri, 28 Oct 1988 10:11:49 +0000 (+0000)
Subject: some small fixes
X-Git-Tag: release-5-5~2772
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=78237f3ef87739a4517a61cba0fd93e8a541e949;p=ack.git

some small fixes
---

diff --git a/lang/cem/libcc/stdio/system.c b/lang/cem/libcc/stdio/system.c
index b006c3cab..351734f94 100644
--- a/lang/cem/libcc/stdio/system.c
+++ b/lang/cem/libcc/stdio/system.c
@@ -5,15 +5,22 @@ system(str)
 	char *str;
 {
 	int pid, exitstatus, waitval;
+	int (*sigint)(), (*sigquit)();
 	int i;
 
-	if ((pid = fork()) < 0) return -1;
+	if ((pid = fork()) < 0) return -1;	/* How do we distinguish this
+						   from exit status -1?
+						*/
 	if (pid == 0) {
 		for (i = 3; i <= 20; i++) close(i);
 		execl("/bin/sh", "sh", "-c", str, (char *) 0);
 		/* get here if execl fails ... */
 		_exit(127);	/* see manual page */
 	}
+
+	sigint  = signal( SIGINT,  SIG_IGN );
+	sigquit = signal( SIGQUIT, SIG_IGN );
+
 	while ((waitval = wait(&exitstatus)) != pid) {
 		if (waitval == -1) break;
 	}
@@ -21,5 +28,9 @@ system(str)
 		/* no child ??? or maybe interrupted ??? */
 		exitstatus = -1;
 	}
+
+	signal( SIGINT,  sigint );
+	signal( SIGQUIT, sigquit );
+
 	return exitstatus;
 }
diff --git a/lang/cem/libcc/stdio/termcap.c b/lang/cem/libcc/stdio/termcap.c
index 3b5ae5db2..0ff3727b9 100644
--- a/lang/cem/libcc/stdio/termcap.c
+++ b/lang/cem/libcc/stdio/termcap.c
@@ -145,7 +145,8 @@ char	*id;
 		return(-1);
 	while (*++cp != ':')
 		;
-	for (++cp ; *cp ; cp++) {
+	while (*cp) {
+		cp++;
 		while (ISSPACE(*cp))
 			cp++;
 		if (strncmp(cp, id, CAPABLEN) == 0) {
@@ -178,7 +179,8 @@ char	*id;
 		return(-1);
 	while (*++cp != ':')
 		;
-	for (++cp ; *cp ; cp++) {
+	while (*cp) {
+		cp++;
 		while (ISSPACE(*cp))
 			cp++;
 		if (strncmp(cp, id, CAPABLEN) == 0)
@@ -207,7 +209,8 @@ char	**area;
 		return(NULL);
 	while (*++cp != ':')
 		;
-	for (++cp ; *cp ; cp++) {
+	while (*cp) {
+		cp++;
 		while (ISSPACE(*cp))
 			cp++;
 		if (strncmp(cp, id, CAPABLEN) == 0) {