Patch from Jean-Yves Avenard to move the getopt globals to their

own file, since at least on SH, weak variables with initial values
(.data stuff) were not working.  Moving these to their own file
seems to be a good way to handle it.

1 files changed, 40 insertions, 0 deletions

diff --git a/libc/unistd/getopt_vars.c b/libc/unistd/getopt_vars.c
new file mode 100644
index 000000000..6dcb73ad7
--- /dev/null
+++ b/libc/unistd/getopt_vars.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+
+/*
+ * Getopt vars shared between getopt and gnu_getopt
+ */
+ 
+/* For communication from `getopt' to the caller.
+   When `getopt' finds an option that takes an argument,
+   the argument value is returned here.
+   Also, when `ordering' is RETURN_IN_ORDER,
+   each non-option ARGV-element is returned here.  */
+
+char *optarg = NULL;
+
+/* Index in ARGV of the next element to be scanned.
+   This is used for communication to and from the caller
+   and for communication between successive calls to `getopt'.
+
+   On entry to `getopt', zero means this is the first call; initialize.
+
+   When `getopt' returns EOF, this is the index of the first of the
+   non-option elements that the caller should itself scan.
+
+   Otherwise, `optind' communicates from one call to the next
+   how much of ARGV has been scanned so far.  */
+
+/* XXX 1003.2 says this must be 1 before any call.  */
+int optind = 0;
+
+
+/* Callers store zero here to inhibit the error message
+   for unrecognized options.  */
+
+int opterr = 1;
+
+/* Set to an option character which was unrecognized.
+   This must be initialized on some systems to avoid linking in the
+   system's own getopt implementation.  */
+
+int optopt = '?';