/*
* Copyright (c) 1987, 1993, 1994
- * The Regents of the University of California. All rights reserved.
+ * The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
/* last review : october 29th, 2002 */
#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
-#endif /* LIBC_SCCS and not lint */
+static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
+#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-int opterr = 1, /* if error message should be printed */
- optind = 1, /* index into parent argv vector */
- optopt, /* character checked for validity */
- optreset; /* reset getopt */
-char *optarg; /* argument associated with option */
+int opterr = 1, /* if error message should be printed */
+ optind = 1, /* index into parent argv vector */
+ optopt, /* character checked for validity */
+ optreset; /* reset getopt */
+char *optarg; /* argument associated with option */
-#define BADCH (int)'?'
-#define BADARG (int)':'
-#define EMSG ""
+#define BADCH (int)'?'
+#define BADARG (int)':'
+#define EMSG ""
/*
* getopt --
- * Parse argc/argv argument vector.
+ * Parse argc/argv argument vector.
*/
-int getopt(nargc, nargv, ostr)
-int nargc;
-char *const *nargv;
-const char *ostr;
-{
+int getopt(int nargc, char *const *nargv, const char *ostr) {
# define __progname nargv[0]
- static char *place = EMSG; /* option letter processing */
- char *oli; /* option letter list index */
+ static char *place = EMSG; /* option letter processing */
+ char *oli; /* option letter list index */
- if (optreset || !*place) { /* update scanning pointer */
+ if (optreset || !*place) { /* update scanning pointer */
optreset = 0;
if (optind >= nargc || *(place = nargv[optind]) != '-') {
place = EMSG;
return (-1);
}
- if (place[1] && *++place == '-') { /* found "--" */
+ if (place[1] && *++place == '-') { /* found "--" */
++optind;
place = EMSG;
return (-1);
}
- } /* option letter okay? */
+ } /* option letter okay? */
if ((optopt = (int) *place++) == (int) ':' ||
!(oli = strchr(ostr, optopt))) {
/*
++optind;
if (opterr && *ostr != ':')
(void) fprintf(stderr,
- "%s: illegal option -- %c\n", __progname, optopt);
+ "%s: illegal option -- %c\n", __progname, optopt);
return (BADCH);
}
- if (*++oli != ':') { /* don't need argument */
+ if (*++oli != ':') { /* don't need argument */
optarg = NULL;
if (!*place)
++optind;
- } else { /* need an argument */
- if (*place) /* no white space */
+ } else { /* need an argument */
+ if (*place) /* no white space */
optarg = place;
- else if (nargc <= ++optind) { /* no arg */
+ else if (nargc <= ++optind) { /* no arg */
place = EMSG;
if (*ostr == ':')
- return (BADARG);
+ return (BADARG);
if (opterr)
- (void) fprintf(stderr,
- "%s: option requires an argument -- %c\n",
- __progname, optopt);
+ (void) fprintf(stderr,
+ "%s: option requires an argument -- %c\n",
+ __progname, optopt);
return (BADCH);
- } else /* white space */
+ } else /* white space */
optarg = nargv[optind];
place = EMSG;
++optind;
}
- return (optopt); /* dump back option letter */
+ return (optopt); /* dump back option letter */
}