X-Git-Url: https://git.distorted.org.uk/~mdw/sw-tools/blobdiff_plain/13f1b54f05f508495193f3417efa57b0c18e8ad7..6312480608563d7d10da23e51cba9f433f7b7a01:/src/pres_curses.c

diff --git a/src/pres_curses.c b/src/pres_curses.c
index a134eac..0901df5 100644
--- a/src/pres_curses.c
+++ b/src/pres_curses.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: pres_curses.c,v 1.1 1999/06/02 16:53:35 mdw Exp $
+ * $Id: pres_curses.c,v 1.2 1999/06/24 15:51:16 mdw Exp $
  *
  * Curses-based output presentation
  *
@@ -29,8 +29,11 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: pres_curses.c,v $
- * Revision 1.1  1999/06/02 16:53:35  mdw
- * Initial revision
+ * Revision 1.2  1999/06/24 15:51:16  mdw
+ * Fix signal handlers so they don't corrupt `errno'.
+ *
+ * Revision 1.1.1.1  1999/06/02 16:53:35  mdw
+ * Initial import.
  *
  */
 
@@ -121,7 +124,9 @@ static void sizes(void)
 #ifdef SIGTSTP
 static void sig_tstp(int s)
 {
+  int e = errno;
   endwin();
+  errno = e;
   raise(SIGSTOP);
 }
 #endif
@@ -131,7 +136,9 @@ static void sig_tstp(int s)
 #ifdef SIGTSTP
 static void sig_cont(int s)
 {
+  int e = errno;
   wrefresh(curscr);
+  errno = e;
 }
 #endif
 
@@ -142,6 +149,8 @@ static void sig_cont(int s)
 static void sig_winch(int s)
 {
   cwin *c;
+  int e = errno;
+
   endwin();
   refresh();
   sizes();
@@ -153,6 +162,7 @@ static void sig_winch(int s)
     wnoutrefresh(c->s);
   }
   doupdate();
+  errno = e;
 }
 
 #endif