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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 */