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/* Borrowed from Apache NT Port */
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include "php_getopt.h"
#define OPTERRCOLON (1)
#define OPTERRNF (2)
#define OPTERRARG (3)
char *ap_php_optarg;
int ap_php_optind = 1;
static int ap_php_opterr = 1;
static int
ap_php_optiserr(int argc, char * const *argv, int oint, const char *optstr,
int optchr, int err)
{
if (ap_php_opterr)
{
fprintf(stderr, "Error in argument %d, char %d: ", oint, optchr+1);
switch(err)
{
case OPTERRCOLON:
fprintf(stderr, ": in flags\n");
break;
case OPTERRNF:
fprintf(stderr, "option not found %c\n", argv[oint][optchr]);
break;
case OPTERRARG:
fprintf(stderr, "no argument for option %c\n", argv[oint][optchr]);
break;
default:
fprintf(stderr, "unknown\n");
break;
}
}
return('?');
}
int ap_php_getopt(int argc, char* const *argv, const char *optstr)
{
static int optchr = 0;
static int dash = 0; /* have already seen the - */
char *cp;
if (ap_php_optind >= argc)
return(EOF);
if (!dash && (argv[ap_php_optind][0] != '-'))
return(EOF);
if (!dash && (argv[ap_php_optind][0] == '-') && !argv[ap_php_optind][1])
{
/*
* use to specify stdin. Need to let pgm process this and
* the following args
*/
return(EOF);
}
if ((argv[ap_php_optind][0] == '-') && (argv[ap_php_optind][1] == '-'))
{
/* -- indicates end of args */
ap_php_optind++;
return(EOF);
}
if (!dash)
{
assert((argv[ap_php_optind][0] == '-') && argv[ap_php_optind][1]);
dash = 1;
optchr = 1;
}
/* Check if the guy tries to do a -: kind of flag */
assert(dash);
if (argv[ap_php_optind][optchr] == ':')
{
dash = 0;
ap_php_optind++;
return(ap_php_optiserr(argc, argv, ap_php_optind-1, optstr, optchr, OPTERRCOLON));
}
if (!(cp = strchr(optstr, argv[ap_php_optind][optchr])))
{
int errind = ap_php_optind;
int errchr = optchr;
if (!argv[ap_php_optind][optchr+1])
{
dash = 0;
ap_php_optind++;
}
else
optchr++;
return(ap_php_optiserr(argc, argv, errind, optstr, errchr, OPTERRNF));
}
if (cp[1] == ':')
{
/* Check for cases where the value of the argument
is in the form -<arg> <val> or in the form -<arg><val> */
dash = 0;
if(!argv[ap_php_optind][2]) {
ap_php_optind++;
if (ap_php_optind == argc)
return(ap_php_optiserr(argc, argv, ap_php_optind-1, optstr, optchr, OPTERRARG));
ap_php_optarg = argv[ap_php_optind++];
}
else
{
ap_php_optarg = &argv[ap_php_optind][2];
ap_php_optind++;
}
return(*cp);
}
else
{
if (!argv[ap_php_optind][optchr+1])
{
dash = 0;
ap_php_optind++;
}
else
optchr++;
return(*cp);
}
assert(0);
return(0); /* never reached */
}
#ifdef TESTGETOPT
int
main (int argc, char **argv)
{
int c;
extern char *ap_php_optarg;
extern int ap_php_optind;
int aflg = 0;
int bflg = 0;
int errflg = 0;
char *ofile = NULL;
while ((c = ap_php_getopt(argc, argv, "abo:")) != EOF)
switch (c) {
case 'a':
if (bflg)
errflg++;
else
aflg++;
break;
case 'b':
if (aflg)
errflg++;
else
bflg++;
break;
case 'o':
ofile = ap_php_optarg;
(void)printf("ofile = %s\n", ofile);
break;
case '?':
errflg++;
}
if (errflg) {
(void)fprintf(stderr,
"usage: cmd [-a|-b] [-o <filename>] files...\n");
exit (2);
}
for ( ; ap_php_optind < argc; ap_php_optind++)
(void)printf("%s\n", argv[ap_php_optind]);
return 0;
}
#endif /* TESTGETOPT */
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