-/* This is used by psql under MS Win */
+/* src/port/getopt.c */
+
+/* This is used by psql under Win32 */
/*
* Copyright (c) 1987, 1993, 1994
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 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.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
*/
+#include "c.h"
+
+#include "pg_getopt.h"
+
#if defined(LIBC_SCCS) && !defined(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>
+
+/*
+ * On some versions of Solaris, opterr and friends are defined in core libc
+ * rather than in a separate getopt module. Define these variables only
+ * if configure found they aren't there by default. (We assume that testing
+ * opterr is sufficient for all of these.)
+ */
+#ifndef HAVE_INT_OPTERR
int opterr = 1, /* if error message should be printed */
optind = 1, /* index into parent argv vector */
- optopt, /* character checked for validity */
- optreset; /* reset getopt */
+ optopt; /* character checked for validity */
char *optarg; /* argument associated with option */
+#endif
+
#define BADCH (int)'?'
#define BADARG (int)':'
#define EMSG ""
/*
* getopt
* Parse argc/argv argument vector.
+ *
+ * This implementation does not use optreset. Instead, we guarantee that
+ * it can be restarted on a new argv array after a previous call returned -1,
+ * if the caller resets optind to 1 before the first call of the new series.
+ * (Internally, this means we must be sure to reset "place" to EMSG before
+ * returning -1.)
*/
int
-getopt(nargc, nargv, ostr)
-int nargc;
-char *const * nargv;
-const char *ostr;
+getopt(int nargc, char *const * nargv, const char *ostr)
{
- extern char *__progname;
static char *place = EMSG; /* option letter processing */
char *oli; /* option letter list index */
- if (optreset || !*place)
+ if (!*place)
{ /* update scanning pointer */
- optreset = 0;
if (optind >= nargc || *(place = nargv[optind]) != '-')
{
place = EMSG;
!(oli = strchr(ostr, optopt)))
{
/*
- * if the user didn't specify '-' as an option, assume it means
- * -1.
+ * if the user didn't specify '-' as an option, assume it means -1.
*/
if (optopt == (int) '-')
+ {
+ place = EMSG;
return -1;
+ }
if (!*place)
++optind;
if (opterr && *ostr != ':')
(void) fprintf(stderr,
- "%s: illegal option -- %c\n", __progname, optopt);
+ "illegal option -- %c\n", optopt);
return BADCH;
}
if (*++oli != ':')
return BADARG;
if (opterr)
(void) fprintf(stderr,
- "%s: option requires an argument -- %c\n",
- __progname, optopt);
+ "option requires an argument -- %c\n",
+ optopt);
return BADCH;
}
else
-/* white space */
+ /* white space */
optarg = nargv[optind];
place = EMSG;
++optind;