(tgets): avoid be clobbered by longjmp' or vfork' warning

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12720 ec53bebd-3082-4978-b11e-865c3cabbd6b
2003-09-02 02:49:58 +00:00
parent 036d477a1c
commit cf096d7787
1 changed files with 6 additions and 4 deletions
--- a/appl/popper/popper.c
+++ b/appl/popper/popper.c
@@ -38,10 +38,12 @@ tgets(char *str, int size, FILE *fp, int timeout)
 {
  signal(SIGALRM, ring);
  alarm(timeout);
-  if (setjmp(env))
-    str = NULL;
-  else
-    str = fgets(str,size,fp);
+  if (setjmp(env)) {
+      alarm(0);
+      signal(SIGALRM,SIG_DFL);
+      return NULL;
+  }
+  fgets(str,size,fp);
  alarm(0);
  signal(SIGALRM,SIG_DFL);
  return(str);