From: Martin Mares <mj@ucw.cz>
Date: Sat, 10 Apr 2004 14:43:30 +0000 (+0000)
Subject: Added a new module for formatting of process exit status messages.
X-Git-Tag: holmes-import~1085
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=e796c010aaf623f0bb512202a85ecad8c30d317a;p=libucw.git

Added a new module for formatting of process exit status messages.
---

diff --git a/lib/exitstatus.c b/lib/exitstatus.c
new file mode 100644
index 00000000..ed649f6d
--- /dev/null
+++ b/lib/exitstatus.c
@@ -0,0 +1,36 @@
+/*
+ *	Sherlock Library -- Formatting of Process Exit Status
+ *
+ *	(c) 2004 Martin Mares <mj@ucw.cz>
+ *
+ *	This software may be freely distributed and used according to the terms
+ *	of the GNU Lesser General Public License.
+ */
+
+#include "lib/lib.h"
+
+#include <stdio.h>
+#include <sys/wait.h>
+#include <errno.h>
+
+int
+format_exit_status(byte *msg, int stat)
+{
+  if (stat < 0)
+    sprintf(msg, "failed to fork (err=%d)", errno);
+  else if (WIFEXITED(stat) && WEXITSTATUS(stat) < 256)
+    {
+      if (WEXITSTATUS(stat))
+	sprintf(msg, "died with exit code %d", WEXITSTATUS(stat));
+      else
+	{
+	  msg[0] = 0;
+	  return 0;
+	}
+    }
+  else if (WIFSIGNALED(stat))
+    sprintf(msg, "died on signal %d", WTERMSIG(stat));
+  else
+    sprintf(msg, "died with status %x", stat);
+  return 1;
+}