Annotation of embedaddon/php/sapi/milter/getopt.c, revision 1.1
1.1 ! misho 1: /* Borrowed from Apache NT Port */
! 2:
! 3: #include <stdio.h>
! 4: #include <string.h>
! 5: #include <assert.h>
! 6: #include <stdlib.h>
! 7: #include "php_getopt.h"
! 8: #define OPTERRCOLON (1)
! 9: #define OPTERRNF (2)
! 10: #define OPTERRARG (3)
! 11:
! 12:
! 13: char *ap_php_optarg;
! 14: int ap_php_optind = 1;
! 15: static int ap_php_opterr = 1;
! 16:
! 17: static int
! 18: ap_php_optiserr(int argc, char * const *argv, int oint, const char *optstr,
! 19: int optchr, int err)
! 20: {
! 21: if (ap_php_opterr)
! 22: {
! 23: fprintf(stderr, "Error in argument %d, char %d: ", oint, optchr+1);
! 24: switch(err)
! 25: {
! 26: case OPTERRCOLON:
! 27: fprintf(stderr, ": in flags\n");
! 28: break;
! 29: case OPTERRNF:
! 30: fprintf(stderr, "option not found %c\n", argv[oint][optchr]);
! 31: break;
! 32: case OPTERRARG:
! 33: fprintf(stderr, "no argument for option %c\n", argv[oint][optchr]);
! 34: break;
! 35: default:
! 36: fprintf(stderr, "unknown\n");
! 37: break;
! 38: }
! 39: }
! 40: return('?');
! 41: }
! 42:
! 43: int ap_php_getopt(int argc, char* const *argv, const char *optstr)
! 44: {
! 45: static int optchr = 0;
! 46: static int dash = 0; /* have already seen the - */
! 47:
! 48: char *cp;
! 49:
! 50: if (ap_php_optind >= argc)
! 51: return(EOF);
! 52: if (!dash && (argv[ap_php_optind][0] != '-'))
! 53: return(EOF);
! 54: if (!dash && (argv[ap_php_optind][0] == '-') && !argv[ap_php_optind][1])
! 55: {
! 56: /*
! 57: * use to specify stdin. Need to let pgm process this and
! 58: * the following args
! 59: */
! 60: return(EOF);
! 61: }
! 62: if ((argv[ap_php_optind][0] == '-') && (argv[ap_php_optind][1] == '-'))
! 63: {
! 64: /* -- indicates end of args */
! 65: ap_php_optind++;
! 66: return(EOF);
! 67: }
! 68: if (!dash)
! 69: {
! 70: assert((argv[ap_php_optind][0] == '-') && argv[ap_php_optind][1]);
! 71: dash = 1;
! 72: optchr = 1;
! 73: }
! 74:
! 75: /* Check if the guy tries to do a -: kind of flag */
! 76: assert(dash);
! 77: if (argv[ap_php_optind][optchr] == ':')
! 78: {
! 79: dash = 0;
! 80: ap_php_optind++;
! 81: return(ap_php_optiserr(argc, argv, ap_php_optind-1, optstr, optchr, OPTERRCOLON));
! 82: }
! 83: if (!(cp = strchr(optstr, argv[ap_php_optind][optchr])))
! 84: {
! 85: int errind = ap_php_optind;
! 86: int errchr = optchr;
! 87:
! 88: if (!argv[ap_php_optind][optchr+1])
! 89: {
! 90: dash = 0;
! 91: ap_php_optind++;
! 92: }
! 93: else
! 94: optchr++;
! 95: return(ap_php_optiserr(argc, argv, errind, optstr, errchr, OPTERRNF));
! 96: }
! 97: if (cp[1] == ':')
! 98: {
! 99: /* Check for cases where the value of the argument
! 100: is in the form -<arg> <val> or in the form -<arg><val> */
! 101: dash = 0;
! 102: if(!argv[ap_php_optind][2]) {
! 103: ap_php_optind++;
! 104: if (ap_php_optind == argc)
! 105: return(ap_php_optiserr(argc, argv, ap_php_optind-1, optstr, optchr, OPTERRARG));
! 106: ap_php_optarg = argv[ap_php_optind++];
! 107: }
! 108: else
! 109: {
! 110: ap_php_optarg = &argv[ap_php_optind][2];
! 111: ap_php_optind++;
! 112: }
! 113: return(*cp);
! 114: }
! 115: else
! 116: {
! 117: if (!argv[ap_php_optind][optchr+1])
! 118: {
! 119: dash = 0;
! 120: ap_php_optind++;
! 121: }
! 122: else
! 123: optchr++;
! 124: return(*cp);
! 125: }
! 126: assert(0);
! 127: return(0); /* never reached */
! 128: }
! 129:
! 130: #ifdef TESTGETOPT
! 131: int
! 132: main (int argc, char **argv)
! 133: {
! 134: int c;
! 135: extern char *ap_php_optarg;
! 136: extern int ap_php_optind;
! 137: int aflg = 0;
! 138: int bflg = 0;
! 139: int errflg = 0;
! 140: char *ofile = NULL;
! 141:
! 142: while ((c = ap_php_getopt(argc, argv, "abo:")) != EOF)
! 143: switch (c) {
! 144: case 'a':
! 145: if (bflg)
! 146: errflg++;
! 147: else
! 148: aflg++;
! 149: break;
! 150: case 'b':
! 151: if (aflg)
! 152: errflg++;
! 153: else
! 154: bflg++;
! 155: break;
! 156: case 'o':
! 157: ofile = ap_php_optarg;
! 158: (void)printf("ofile = %s\n", ofile);
! 159: break;
! 160: case '?':
! 161: errflg++;
! 162: }
! 163: if (errflg) {
! 164: (void)fprintf(stderr,
! 165: "usage: cmd [-a|-b] [-o <filename>] files...\n");
! 166: exit (2);
! 167: }
! 168: for ( ; ap_php_optind < argc; ap_php_optind++)
! 169: (void)printf("%s\n", argv[ap_php_optind]);
! 170: return 0;
! 171: }
! 172:
! 173: #endif /* TESTGETOPT */
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