1 files changed, 80 insertions, 0 deletions
diff --git a/trunk/src/execle_open.c b/trunk/src/execle_open.c
new file mode 100644
index 0000000..52872aa
--- /dev/null
+++ b/trunk/src/execle_open.c
@@ -0,0 +1,80 @@
+/* Copyright (C) 2001 Red Hat, Inc.
+   Written by Jakub Jelinek <jakub@redhat.com>, 2001.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <config.h>
+#include <errno.h>
+#include <error.h>
+#include <stdio.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+static pid_t pid;
+
+int
+execve_close (FILE *f)
+{
+  pid_t p;
+  int status;
+
+  if (f != NULL)
+    fclose (f);
+  while ((p = waitpid (pid, &status, 0)) == -1 && errno == EINTR);
+  if (p == -1 || ! WIFEXITED (status))
+    return -1;
+  return WEXITSTATUS (status);
+}
+
+FILE *
+execve_open (const char *path, char *const argv[], char *const envp[])
+{
+  int p[2];
+  FILE *f;
+
+  if (pipe (p) < 0)
+    {
+      error (0, errno, "Could not run %s", path);
+      return NULL;
+    }
+
+  switch (vfork ())
+    {
+    case -1:
+      error (0, errno, "Could not run %s", path);
+      return NULL;
+    case 0:
+      close (p[0]);
+      if (p[1] != 1)
+	{
+	  dup2 (p[1], 1);
+	  close (p[1]);
+	}
+      dup2 (1, 2);
+      execve (path, argv, envp);
+      _exit (127);
+    }
+
+  close (p[1]);
+
+  f = fdopen (p[0], "r");
+  if (f == NULL)
+    {
+      close (p[0]);
+      execve_close (NULL);
+    }
+
+  return f;
+}