Help and usage messages.
[sgt/halibut] / help.c
1 /*
2 * help.c: usage instructions
3 */
4
5 #include <stdio.h>
6 #include "halibut.h"
7
8 static char *helptext[] = {
9 "usage: halibut [options] files",
10 "options: --text[=filename] generate plain text output",
11 " --html[=filename] generate XHTML output",
12 " --winhelp[=filename] generate Windows Help output",
13 " --man[=filename] generate man page output",
14 " -Cfoo:bar:baz append \\cfg{foo}{bar}{baz} to input",
15 " --precise report column numbers in error messages",
16 " --help display this text",
17 " --version display version number",
18 " --licence display licence text",
19 NULL
20 };
21
22 static char *usagetext[] = {
23 "usage: halibut [--format[=filename]] [-Cconfig...] file.but [file.but...]",
24 NULL
25 };
26
27 void help(void) {
28 char **p;
29 for (p = helptext; *p; p++)
30 puts(*p);
31 }
32
33 void usage(void) {
34 char **p;
35 for (p = usagetext; *p; p++)
36 puts(*p);
37 }
38
39 void showversion(void) {
40 printf("Halibut, %s\n", version);
41 }