From 220534453eecc2c07ad710d72268aafd20b83138 Mon Sep 17 00:00:00 2001
From: joe <joe@jerkface.net>
Date: Fri, 8 May 2015 23:07:47 -0400
Subject: initial commit

---
 sgetopt.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 sgetopt.c

(limited to 'sgetopt.c')

diff --git a/sgetopt.c b/sgetopt.c
new file mode 100644
index 0000000..8bb608f
--- /dev/null
+++ b/sgetopt.c
@@ -0,0 +1,53 @@
+/* Public domain. */
+
+/* sgetopt.c, sgetopt.h: (yet another) improved getopt clone, outer layer
+D. J. Bernstein, djb@pobox.com.
+Depends on subgetopt.h, buffer.h.
+No system requirements.
+19991219: Switched to buffer.h.
+19970208: Cleanups.
+931201: Baseline.
+No known patent problems.
+
+Documentation in sgetopt.3.
+*/
+
+#include "buffer.h"
+#define SGETOPTNOSHORT
+#include "sgetopt.h"
+#define SUBGETOPTNOSHORT
+#include "subgetopt.h"
+
+#define getopt sgetoptmine
+#define optind subgetoptind
+#define opterr sgetopterr
+#define optproblem subgetoptproblem
+#define optprogname sgetoptprogname
+
+int opterr = 1;
+const char *optprogname = 0;
+
+int getopt(int argc,const char *const *argv,const char *opts)
+{
+  int c;
+  const char *s;
+
+  if (!optprogname) {
+    optprogname = *argv;
+    if (!optprogname) optprogname = "";
+    for (s = optprogname;*s;++s) if (*s == '/') optprogname = s + 1;
+  }
+  c = subgetopt(argc,argv,opts);
+  if (opterr)
+    if (c == '?') {
+      char chp[2]; chp[0] = optproblem; chp[1] = '\n';
+      buffer_puts(buffer_2,optprogname);
+      if (argv[optind] && (optind < argc))
+        buffer_puts(buffer_2,": illegal option -- ");
+      else
+        buffer_puts(buffer_2,": option requires an argument -- ");
+      buffer_put(buffer_2,chp,2);
+      buffer_flush(buffer_2);
+    }
+  return c;
+}
-- 
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