From 0a927854a10e1e6b9770a81e2e1d9f3093631757 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Wed, 19 Jun 2013 15:29:44 +0200
Subject: Rearrange source files.

---
 source/fitz/getopt.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 source/fitz/getopt.c

(limited to 'source/fitz/getopt.c')

diff --git a/source/fitz/getopt.c b/source/fitz/getopt.c
new file mode 100644
index 00000000..2a6e5ac4
--- /dev/null
+++ b/source/fitz/getopt.c
@@ -0,0 +1,66 @@
+/*
+ * This is a version of the public domain getopt implementation by
+ * Henry Spencer originally posted to net.sources.
+ *
+ * This file is in the public domain.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#define getopt fz_getopt
+#define optarg fz_optarg
+#define optind fz_optind
+
+char *optarg; /* Global argument pointer. */
+int optind = 0; /* Global argv index. */
+
+static char *scan = NULL; /* Private scan pointer. */
+
+int
+getopt(int argc, char *argv[], char *optstring)
+{
+	char c;
+	char *place;
+
+	optarg = NULL;
+
+	if (!scan || *scan == '\0') {
+		if (optind == 0)
+			optind++;
+
+		if (optind >= argc || argv[optind][0] != '-' || argv[optind][1] == '\0')
+			return EOF;
+		if (argv[optind][1] == '-' && argv[optind][2] == '\0') {
+			optind++;
+			return EOF;
+		}
+
+		scan = argv[optind]+1;
+		optind++;
+	}
+
+	c = *scan++;
+	place = strchr(optstring, c);
+
+	if (!place || c == ':') {
+		fprintf(stderr, "%s: unknown option -%c\n", argv[0], c);
+		return '?';
+	}
+
+	place++;
+	if (*place == ':') {
+		if (*scan != '\0') {
+			optarg = scan;
+			scan = NULL;
+		} else if( optind < argc ) {
+			optarg = argv[optind];
+			optind++;
+		} else {
+			fprintf(stderr, "%s: option requires argument -%c\n", argv[0], c);
+			return ':';
+		}
+	}
+
+	return c;
+}
-- 
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