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-rw-r--r--openbsd-compat/getopt.c58
1 files changed, 33 insertions, 25 deletions
diff --git a/openbsd-compat/getopt.c b/openbsd-compat/getopt.c
index 5450e43d9..e5e80af06 100644
--- a/openbsd-compat/getopt.c
+++ b/openbsd-compat/getopt.c
@@ -32,6 +32,14 @@
32#include "includes.h" 32#include "includes.h"
33#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 33#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
34 34
35/* some defines to make it easier to keep the code in sync with upstream */
36/* #define getopt BSDgetopt is in defines.h */
37#define opterr BSDopterr
38#define optind BSDoptind
39#define optopt BSDoptopt
40#define optreset BSDoptreset
41#define optarg BSDoptarg
42
35#if defined(LIBC_SCCS) && !defined(lint) 43#if defined(LIBC_SCCS) && !defined(lint)
36static char *rcsid = "$OpenBSD: getopt.c,v 1.5 2003/06/02 20:18:37 millert Exp $"; 44static char *rcsid = "$OpenBSD: getopt.c,v 1.5 2003/06/02 20:18:37 millert Exp $";
37#endif /* LIBC_SCCS and not lint */ 45#endif /* LIBC_SCCS and not lint */
@@ -40,11 +48,11 @@ static char *rcsid = "$OpenBSD: getopt.c,v 1.5 2003/06/02 20:18:37 millert Exp $
40#include <stdlib.h> 48#include <stdlib.h>
41#include <string.h> 49#include <string.h>
42 50
43int BSDopterr = 1, /* if error message should be printed */ 51int opterr = 1, /* if error message should be printed */
44 BSDoptind = 1, /* index into parent argv vector */ 52 optind = 1, /* index into parent argv vector */
45 BSDoptopt, /* character checked for validity */ 53 optopt, /* character checked for validity */
46 BSDoptreset; /* reset getopt */ 54 optreset; /* reset getopt */
47char *BSDoptarg; /* argument associated with option */ 55char *optarg; /* argument associated with option */
48 56
49#define BADCH (int)'?' 57#define BADCH (int)'?'
50#define BADARG (int)':' 58#define BADARG (int)':'
@@ -55,7 +63,7 @@ char *BSDoptarg; /* argument associated with option */
55 * Parse argc/argv argument vector. 63 * Parse argc/argv argument vector.
56 */ 64 */
57int 65int
58BSDgetopt(nargc, nargv, ostr) 66getopt(nargc, nargv, ostr)
59 int nargc; 67 int nargc;
60 char * const *nargv; 68 char * const *nargv;
61 const char *ostr; 69 const char *ostr;
@@ -67,57 +75,57 @@ BSDgetopt(nargc, nargv, ostr)
67 if (ostr == NULL) 75 if (ostr == NULL)
68 return (-1); 76 return (-1);
69 77
70 if (BSDoptreset || !*place) { /* update scanning pointer */ 78 if (optreset || !*place) { /* update scanning pointer */
71 BSDoptreset = 0; 79 optreset = 0;
72 if (BSDoptind >= nargc || *(place = nargv[BSDoptind]) != '-') { 80 if (optind >= nargc || *(place = nargv[optind]) != '-') {
73 place = EMSG; 81 place = EMSG;
74 return (-1); 82 return (-1);
75 } 83 }
76 if (place[1] && *++place == '-') { /* found "--" */ 84 if (place[1] && *++place == '-') { /* found "--" */
77 ++BSDoptind; 85 ++optind;
78 place = EMSG; 86 place = EMSG;
79 return (-1); 87 return (-1);
80 } 88 }
81 } /* option letter okay? */ 89 } /* option letter okay? */
82 if ((BSDoptopt = (int)*place++) == (int)':' || 90 if ((optopt = (int)*place++) == (int)':' ||
83 !(oli = strchr(ostr, BSDoptopt))) { 91 !(oli = strchr(ostr, optopt))) {
84 /* 92 /*
85 * if the user didn't specify '-' as an option, 93 * if the user didn't specify '-' as an option,
86 * assume it means -1. 94 * assume it means -1.
87 */ 95 */
88 if (BSDoptopt == (int)'-') 96 if (optopt == (int)'-')
89 return (-1); 97 return (-1);
90 if (!*place) 98 if (!*place)
91 ++BSDoptind; 99 ++optind;
92 if (BSDopterr && *ostr != ':') 100 if (opterr && *ostr != ':')
93 (void)fprintf(stderr, 101 (void)fprintf(stderr,
94 "%s: illegal option -- %c\n", __progname, BSDoptopt); 102 "%s: illegal option -- %c\n", __progname, optopt);
95 return (BADCH); 103 return (BADCH);
96 } 104 }
97 if (*++oli != ':') { /* don't need argument */ 105 if (*++oli != ':') { /* don't need argument */
98 BSDoptarg = NULL; 106 optarg = NULL;
99 if (!*place) 107 if (!*place)
100 ++BSDoptind; 108 ++optind;
101 } 109 }
102 else { /* need an argument */ 110 else { /* need an argument */
103 if (*place) /* no white space */ 111 if (*place) /* no white space */
104 BSDoptarg = place; 112 optarg = place;
105 else if (nargc <= ++BSDoptind) { /* no arg */ 113 else if (nargc <= ++optind) { /* no arg */
106 place = EMSG; 114 place = EMSG;
107 if (*ostr == ':') 115 if (*ostr == ':')
108 return (BADARG); 116 return (BADARG);
109 if (BSDopterr) 117 if (opterr)
110 (void)fprintf(stderr, 118 (void)fprintf(stderr,
111 "%s: option requires an argument -- %c\n", 119 "%s: option requires an argument -- %c\n",
112 __progname, BSDoptopt); 120 __progname, optopt);
113 return (BADCH); 121 return (BADCH);
114 } 122 }
115 else /* white space */ 123 else /* white space */
116 BSDoptarg = nargv[BSDoptind]; 124 optarg = nargv[optind];
117 place = EMSG; 125 place = EMSG;
118 ++BSDoptind; 126 ++optind;
119 } 127 }
120 return (BSDoptopt); /* dump back option letter */ 128 return (optopt); /* dump back option letter */
121} 129}
122 130
123#endif /* !defined(HAVE_GETOPT) || !defined(HAVE_OPTRESET) */ 131#endif /* !defined(HAVE_GETOPT) || !defined(HAVE_OPTRESET) */