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- (dtucker) [openbsd-compat/getopt.c] Factor out portibility changes to 

getopt.c.  Preprocessed source is identical other than line numbers.
This commit is contained in:
Darren Tucker 2013-05-10 15:35:26 +10:00
parent abbc7a7c02
commit 35b2fe99be
2 changed files with 35 additions and 25 deletions
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2
ChangeLog
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@ -1,6 +1,8 @@
20130510
- (dtucker) [configure.ac] Enable -Wsizeof-pointer-memaccess if the compiler
supports it. Mentioned by Colin Watson in bz#2100, ok djm.
- (dtucker) [openbsd-compat/getopt.c] Factor out portibility changes to
getopt.c. Preprocessed source is identical other than line numbers.
20130423
- (djm) [auth.c configure.ac misc.c monitor.c monitor_wrap.c] Support

58
openbsd-compat/getopt.c
View File

@ -32,6 +32,14 @@
#include "includes.h"
#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
/* some defines to make it easier to keep the code in sync with upstream */
/* #define getopt BSDgetopt is in defines.h */
#define opterr BSDopterr
#define optind BSDoptind
#define optopt BSDoptopt
#define optreset BSDoptreset
#define optarg BSDoptarg
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$OpenBSD: getopt.c,v 1.5 2003/06/02 20:18:37 millert Exp $";
#endif /* LIBC_SCCS and not lint */
@ -40,11 +48,11 @@ static char *rcsid = "$OpenBSD: getopt.c,v 1.5 2003/06/02 20:18:37 millert Exp $
#include <stdlib.h>
#include <string.h>
int BSDopterr = 1, /* if error message should be printed */
BSDoptind = 1, /* index into parent argv vector */
BSDoptopt, /* character checked for validity */
BSDoptreset; /* reset getopt */
char *BSDoptarg; /* 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)':'
@ -55,7 +63,7 @@ char *BSDoptarg; /* argument associated with option */
* Parse argc/argv argument vector.
*/
int
BSDgetopt(nargc, nargv, ostr)
getopt(nargc, nargv, ostr)
int nargc;
char * const *nargv;
const char *ostr;
@ -67,57 +75,57 @@ BSDgetopt(nargc, nargv, ostr)
if (ostr == NULL)
return (-1);
if (BSDoptreset || !*place) { /* update scanning pointer */
BSDoptreset = 0;
if (BSDoptind >= nargc || *(place = nargv[BSDoptind]) != '-') {
if (optreset || !*place) { /* update scanning pointer */
optreset = 0;
if (optind >= nargc || *(place = nargv[optind]) != '-') {
place = EMSG;
return (-1);
}
if (place[1] && *++place == '-') { /* found "--" */
++BSDoptind;
++optind;
place = EMSG;
return (-1);
}
} /* option letter okay? */
if ((BSDoptopt = (int)*place++) == (int)':' ||
!(oli = strchr(ostr, BSDoptopt))) {
if ((optopt = (int)*place++) == (int)':' ||
!(oli = strchr(ostr, optopt))) {
/*
* if the user didn't specify '-' as an option,
* assume it means -1.
*/
if (BSDoptopt == (int)'-')
if (optopt == (int)'-')
return (-1);
if (!*place)
++BSDoptind;
if (BSDopterr && *ostr != ':')
++optind;
if (opterr && *ostr != ':')
(void)fprintf(stderr,
"%s: illegal option -- %c\n", __progname, BSDoptopt);
"%s: illegal option -- %c\n", __progname, optopt);
return (BADCH);
}
if (*++oli != ':') { /* don't need argument */
BSDoptarg = NULL;
optarg = NULL;
if (!*place)
++BSDoptind;
++optind;
}
else { /* need an argument */
if (*place) /* no white space */
BSDoptarg = place;
else if (nargc <= ++BSDoptind) { /* no arg */
optarg = place;
else if (nargc <= ++optind) { /* no arg */
place = EMSG;
if (*ostr == ':')
return (BADARG);
if (BSDopterr)
if (opterr)
(void)fprintf(stderr,
"%s: option requires an argument -- %c\n",
__progname, BSDoptopt);
__progname, optopt);
return (BADCH);
}
else /* white space */
BSDoptarg = nargv[BSDoptind];
optarg = nargv[optind];
place = EMSG;
++BSDoptind;
++optind;
}
return (BSDoptopt); /* dump back option letter */
return (optopt); /* dump back option letter */
}
#endif /* !defined(HAVE_GETOPT) || !defined(HAVE_OPTRESET) */