[src/trunk]: src/distrib/utils/sysinst Added error checking to log and script...

[jeremy <jeremy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/88593bbef358
branches:  trunk
changeset: 480215:88593bbef358
user:      jeremy <jeremy%NetBSD.org@localhost>
date:      Fri Jan 07 02:02:05 2000 +0000

description:
Added error checking to log and script file creation functions.
Prevents sysinst from coredumping should the root filesystem be accidentally
mounted read-only.

diffstat:

 distrib/utils/sysinst/run.c |  29 +++++++++++++++++++----------
 1 files changed, 19 insertions(+), 10 deletions(-)

diffs (52 lines):

diff -r a682f3046f06 -r 88593bbef358 distrib/utils/sysinst/run.c
--- a/distrib/utils/sysinst/run.c       Fri Jan 07 01:49:42 2000 +0000
+++ b/distrib/utils/sysinst/run.c       Fri Jan 07 02:02:05 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: run.c,v 1.24 1999/07/14 16:30:58 abs Exp $     */
+/*     $NetBSD: run.c,v 1.25 2000/01/07 02:02:05 jeremy Exp $  */
 
 /*
  * Copyright 1997 Piermont Information Systems Inc.
@@ -117,11 +117,15 @@
                fflush(log);
                fclose(log);
        } else {
-               sprintf(log_text[0], "Logging: On");
-               logging = 1;
                log = fopen("sysinst.log", "a");
-               fprintf(log, "Log started at: %s\n", asctime(localtime(&tloc)));
-               fflush(log);            
+               if (log != NULL) {
+                       sprintf(log_text[0], "Logging: On");
+                       logging = 1;
+                       fprintf(log, "Log started at: %s\n", asctime(localtime(&tloc)));
+                       fflush(log);            
+               } else {
+                       msg_display(MSG_openfail, "log file", strerror(errno));
+               }
        }
        return(0);
 }
@@ -139,12 +143,17 @@
                fflush(script);
                fclose(script);
        } else {
-               sprintf(log_text[1], "Scripting: On");
-               scripting = 1;
                script = fopen("sysinst.sh", "w");
-               fprintf(script, "#!/bin/sh\n");
-               fprintf(script, "# Script started at: %s\n", asctime(localtime(&tloc)));
-               fflush(script);         
+               if (script != NULL) {
+                       sprintf(log_text[1], "Scripting: On");
+                       scripting = 1;
+                       fprintf(script, "#!/bin/sh\n");
+                       fprintf(script, "# Script started at: %s\n",
+                           asctime(localtime(&tloc)));
+                       fflush(script);         
+               } else {
+                       msg_display(MSG_openfail, "script file", strerror(errno));
+               }
        }
        return(0);
 }