diff options
| -rw-r--r-- | libshouldbeinlibc/argp-parse.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/libshouldbeinlibc/argp-parse.c b/libshouldbeinlibc/argp-parse.c index c52bc1f1..9690ea22 100644 --- a/libshouldbeinlibc/argp-parse.c +++ b/libshouldbeinlibc/argp-parse.c @@ -40,10 +40,12 @@ /* ---------------------------------------------------------------- */ #define OPT_HELP -1 +#define OPT_PROGNAME -2 static struct argp_option argp_default_options[] = { - {"help", OPT_HELP, 0, 0, "Give this help list", -1}, + {"help", OPT_HELP, 0, 0, "Give this help list", -1}, + {"program-name",OPT_PROGNAME,"NAME", OPTION_HIDDEN, "Set the program name"}, {0, 0} }; @@ -57,10 +59,26 @@ argp_default_parser (int key, char *arg, struct argp_state *state) if (state->flags & ARGP_NO_EXIT) usage_flags &= ~ARGP_HELP_EXIT; argp_help (state->argp, stdout, usage_flags); - return 0; + break; + + case OPT_PROGNAME: /* Set the program name. */ + program_invocation_name = arg; + program_invocation_short_name = rindex (arg, '/'); + if (program_invocation_short_name) + program_invocation_short_name++; + else + program_invocation_short_name = program_invocation_name; + + if ((state->flags & (ARGP_PARSE_ARGV0 | ARGP_NO_ERRS)) + == (ARGP_PARSE_ARGV0 | ARGP_NO_ERRS)) + state->argv[0] = arg; /* Update what getopt uses too. */ + + break; + default: return EINVAL; } + return 0; } static struct argp argp_default_argp = |