Commit | Line | Data |
---|---|---|
8512671a LM |
1 | /* depend: */ |
2 | /* cflags: */ | |
3 | /* linker: color.o debug.o */ | |
4 | ||
5 | #include <stdio.h> | |
6 | #include <stdlib.h> | |
7 | ||
8 | #include "debug.h" | |
9 | ||
10 | /* constants */ | |
11 | ||
12 | #define BUFFER_SIZE 4096 | |
13 | ||
14 | /* macros */ | |
15 | ||
16 | /* gobal variables */ | |
17 | ||
18 | char *progname = NULL; | |
19 | ||
20 | /* help function */ | |
21 | ||
22 | int usage (int ret) | |
23 | { | |
24 | FILE *fid = ret ? stderr : stdout; | |
25 | fprintf (fid, "usage: %s\n", progname); | |
26 | fprintf (fid, " -h : help message\n"); | |
27 | fprintf (fid, " -v : verbose level (%d)\n", verbose); | |
28 | ||
29 | return ret; | |
30 | } | |
31 | ||
32 | /* main function */ | |
33 | ||
34 | int main (int argc, char *argv[]) | |
35 | { | |
36 | int i = 0; | |
37 | int ret = 0; | |
38 | ||
39 | /* program name */ | |
40 | ||
41 | progname = argv[0]; | |
42 | while (progname[i] != '\0') { | |
43 | if ((progname[i] == '/') || (progname[i] == '\\')) { | |
44 | progname += i + 1; | |
45 | i = 0; | |
46 | } else { | |
47 | i++; | |
48 | } | |
49 | } | |
50 | ||
51 | /* argument processing */ | |
52 | ||
53 | while (argc-- > 1) { | |
54 | char *arg = *(++argv); | |
55 | if (arg[0] != '-') { | |
56 | VERBOSE (ERROR, fprintf (stderr, "%s: invalid option -- '%s'\n", progname, arg); usage (1)); | |
57 | return 1; | |
58 | } | |
59 | char c = arg[1]; | |
60 | switch (c) { | |
61 | /* | |
62 | case 'i': | |
63 | arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL; | |
64 | if (arg == NULL) { | |
65 | VERBOSE (ERROR, fprintf (stderr, "%s: missing input prompt\n", progname); usage (1)); | |
66 | return 1; | |
67 | } | |
68 | iprompt = arg; | |
69 | break; | |
70 | */ | |
71 | case 'v': | |
72 | arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL; | |
73 | if (arg == NULL) { | |
74 | VERBOSE (ERROR, fprintf (stderr, "%s: missing verbose level\n", progname); usage (1)); | |
75 | return 1; | |
76 | } | |
77 | verbose = atoi (arg); | |
78 | break; | |
79 | case 'h': | |
80 | default: | |
81 | return usage (c != 'h'); | |
82 | } | |
83 | } | |
84 | ||
85 | return ret; | |
86 | } | |
87 | ||
88 | // test: webserver.exe -h | |
89 | // test: webserver.exe -h | awk '/usage:/ { rc=1 } END { exit (1-rc) }' | |
90 | // test: echo 1 | webserver.exe -v3 | grep -q value | |
91 | // test: webserver.exe -_ 2> /dev/null | awk 'END { if (NR == 0) { exit(0) } else exit (1) }' | |
92 | // test: webserver.exe -_ 2>&1 | awk '/usage:/ { rc=1 } END { exit (1-rc) }' | |
93 | // test: webserver.exe error 2>&1 | grep -q 'invalid option' | |
94 | ||
95 | /* vim: set ts=4 sw=4 et: */ |