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