--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Python/dup2.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,30 @@
+/*
+ * Public domain dup2() lookalike
+ * by Curtis Jackson @ AT&T Technologies, Burlington, NC
+ * electronic address: burl!rcj
+ *
+ * dup2 performs the following functions:
+ *
+ * Check to make sure that fd1 is a valid open file descriptor.
+ * Check to see if fd2 is already open; if so, close it.
+ * Duplicate fd1 onto fd2; checking to make sure fd2 is a valid fd.
+ * Return fd2 if all went well; return BADEXIT otherwise.
+ */
+
+#include <fcntl.h>
+
+#define BADEXIT -1
+
+int
+dup2(int fd1, int fd2)
+{
+ if (fd1 != fd2) {
+ if (fcntl(fd1, F_GETFL) < 0)
+ return BADEXIT;
+ if (fcntl(fd2, F_GETFL) >= 0)
+ close(fd2);
+ if (fcntl(fd1, F_DUPFD, fd2) < 0)
+ return BADEXIT;
+ }
+ return fd2;
+}