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