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- #include "argtable3.h"
- /* global arg_xxx structs */
- struct arg_lit *a, *b, *c, *verb, *help, *version;
- struct arg_int *scal;
- struct arg_file *o, *file;
- struct arg_end *end;
- int main(int argc, char *argv[])
- {
- /* the global arg_xxx structs are initialised within the argtable */
- void *argtable[] = {
- help = arg_lit0(NULL, "help", "display this help and exit"),
- version = arg_lit0(NULL, "version", "display version info and exit"),
- a = arg_lit0("a", NULL,"the -a option"),
- b = arg_lit0("b", NULL, "the -b option"),
- c = arg_lit0("c", NULL, "the -c option"),
- scal = arg_int0(NULL, "scalar", "<n>", "foo value"),
- verb = arg_lit0("v", "verbose", "verbose output"),
- o = arg_file0("o", NULL, "myfile", "output file"),
- file = arg_filen(NULL, NULL, "<file>", 1, 100, "input files"),
- end = arg_end(20),
- };
-
- int exitcode = 0;
- char progname[] = "testargtable2.exe";
-
- int nerrors;
- nerrors = arg_parse(argc,argv,argtable);
- /* special case: '--help' takes precedence over error reporting */
- if (help->count > 0)
- {
- printf("Usage: %s", progname);
- arg_print_syntax(stdout, argtable, "\n");
- printf("List information about the FILE(s) "
- "(the current directory by default).\n\n");
- arg_print_glossary(stdout, argtable, " %-25s %s\n");
- exitcode = 0;
- goto exit;
- }
- /* If the parser returned any errors then display them and exit */
- if (nerrors > 0)
- {
- /* Display the error details contained in the arg_end struct.*/
- arg_print_errors(stdout, end, progname);
- printf("Try '%s --help' for more information.\n", progname);
- exitcode = 1;
- goto exit;
- }
- exit:
- /* deallocate each non-null entry in argtable[] */
- arg_freetable(argtable, sizeof(argtable) / sizeof(argtable[0]));
- return exitcode;
- }
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