merge with upstream

1 files changed, 78 insertions, 0 deletions

diff --git a/klm/util/getopt.c b/klm/util/getopt.c
new file mode 100644
index 00000000..992c96b0
--- /dev/null
+++ b/klm/util/getopt.c
@@ -0,0 +1,78 @@
+/*
+POSIX getopt for Windows
+
+AT&T Public License
+
+Code given out at the 1985 UNIFORUM conference in Dallas.  
+*/
+
+#ifndef __GNUC__
+
+#include "getopt.hh"
+#include <stdio.h>
+#include <string.h>
+
+#define NULL	0
+#define EOF	(-1)
+#define ERR(s, c)	if(opterr){\
+	char errbuf[2];\
+	errbuf[0] = c; errbuf[1] = '\n';\
+	fputs(argv[0], stderr);\
+	fputs(s, stderr);\
+	fputc(c, stderr);}
+	//(void) write(2, argv[0], (unsigned)strlen(argv[0]));\
+	//(void) write(2, s, (unsigned)strlen(s));\
+	//(void) write(2, errbuf, 2);}
+
+int	opterr = 1;
+int	optind = 1;
+int	optopt;
+char	*optarg;
+
+int
+getopt(argc, argv, opts)
+int	argc;
+char	**argv, *opts;
+{
+	static int sp = 1;
+	register int c;
+	register char *cp;
+
+	if(sp == 1)
+		if(optind >= argc ||
+		   argv[optind][0] != '-' || argv[optind][1] == '\0')
+			return(EOF);
+		else if(strcmp(argv[optind], "--") == NULL) {
+			optind++;
+			return(EOF);
+		}
+	optopt = c = argv[optind][sp];
+	if(c == ':' || (cp=strchr(opts, c)) == NULL) {
+		ERR(": illegal option -- ", c);
+		if(argv[optind][++sp] == '\0') {
+			optind++;
+			sp = 1;
+		}
+		return('?');
+	}
+	if(*++cp == ':') {
+		if(argv[optind][sp+1] != '\0')
+			optarg = &argv[optind++][sp+1];
+		else if(++optind >= argc) {
+			ERR(": option requires an argument -- ", c);
+			sp = 1;
+			return('?');
+		} else
+			optarg = argv[optind++];
+		sp = 1;
+	} else {
+		if(argv[optind][++sp] == '\0') {
+			sp = 1;
+			optind++;
+		}
+		optarg = NULL;
+	}
+	return(c);
+}
+
+#endif  /* __GNUC__ */