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/* $NetBSD: h_getopt.c,v 1.1 2011/01/01 23:56:49 pgoyette Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#define WS "\t\n "
#define debug 0
int
main(int argc, char *argv[])
{
size_t len, lineno = 0;
char *line, *ptr, *optstring = NULL, *result = NULL;
char buf[1024];
char *args[100];
char arg[100];
int nargs = -1;
int c;
while ((line = fparseln(stdin, &len, &lineno, NULL, 0)) != NULL) {
if (strncmp(line, "load:", 5) == 0) {
if (optstring)
free(optstring);
optstring = strtok(&line[6], WS);
if (optstring == NULL)
errx(1, "missing optstring at line %ld",
(unsigned long)lineno);
optstring = strdup(optstring);
if (debug)
fprintf(stderr, "optstring = %s\n", optstring);
} else if (strncmp(line, "args:", 5) == 0) {
for (; nargs >= 0; nargs--) {
if (args[nargs] != NULL)
free(args[nargs]);
}
args[nargs = 0] = strtok(&line[6], WS);
if (args[nargs] == NULL)
errx(1, "missing args at line %ld",
(unsigned long)lineno);
args[nargs] = strdup(args[nargs]);
while ((args[++nargs] = strtok(NULL, WS)) != NULL)
args[nargs] = strdup(args[nargs]);
if (debug) {
int i = 0;
for (i = 0; i < nargs; i++)
fprintf(stderr, "argv[%d] = %s\n", i,
args[i]);
}
} else if (strncmp(line, "result:", 7) == 0) {
buf[0] = '\0';
optind = optreset = 1;
if (result)
free(result);
result = strtok(&line[8], WS);
if (result == NULL)
errx(1, "missing result at line %ld",
(unsigned long)lineno);
result = strdup(result);
if (nargs == -1)
errx(1, "result: without args:");
if (debug)
fprintf(stderr, "result = %s\n", result);
while ((c = getopt(nargs, args, optstring)) != -1) {
if (c == ':')
err(1, "`:' found as argument char");
if ((ptr = strchr(optstring, c)) == NULL) {
snprintf(arg, sizeof(arg), "!%c,", c);
strcat(buf, arg);
continue;
}
if (ptr[1] != ':')
snprintf(arg, sizeof(arg), "%c,", c);
else
snprintf(arg, sizeof(arg), "%c=%s,",
c, optarg);
strcat(buf, arg);
}
len = strlen(buf);
if (len > 0) {
buf[len - 1] = '|';
buf[len] = '\0';
} else {
buf[0] = '|';
buf[1] = '\0';
}
snprintf(arg, sizeof(arg), "%d", nargs - optind);
strcat(buf, arg);
if (strcmp(buf, result) != 0)
errx(1, "`%s' != `%s'", buf, result);
}
free(line);
}
return 0;
}
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