diff options
Diffstat (limited to 'src/preproc/refer/refer.cc')
| -rw-r--r-- | src/preproc/refer/refer.cc | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/src/preproc/refer/refer.cc b/src/preproc/refer/refer.cc index 19ac01be..b6cefc58 100644 --- a/src/preproc/refer/refer.cc +++ b/src/preproc/refer/refer.cc @@ -1,5 +1,5 @@ // -*- C++ -*- -/* Copyright (C) 1989, 1990, 1991, 1992, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1989-1992, 2000, 2001 Free Software Foundation, Inc. Written by James Clark (jjc@jclark.com) This file is part of groff. @@ -99,7 +99,7 @@ static void immediately_output_references(); static unsigned store_reference(const string &); static void divert_to_temporary_file(); static reference *make_reference(const string &, unsigned *); -static void usage(); +static void usage(FILE *stream); static void do_file(const char *); static void split_punct(string &line, string &punct); static void output_citation_group(reference **v, int n, label_type, FILE *fp); @@ -172,7 +172,8 @@ int main(int argc, char **argv) } else { error("option `f' requires an argument"); - usage(); + usage(stderr); + exit(1); } } else { @@ -300,7 +301,8 @@ int main(int argc, char **argv) } else { error("option `p' requires an argument"); - usage(); + usage(stderr); + exit(1); } } else { @@ -334,23 +336,29 @@ int main(int argc, char **argv) opt = ptr; break; } + case '-': + if (opt[1] == '\0') { + finished_options = 1; + opt++; + break; + } + if (strcmp(opt,"-version")==0) { case 'v': - { extern const char *Version_string; printf("GNU refer (groff) version %s\n", Version_string); exit(0); break; } - case '-': - if (opt[1] == '\0') { - finished_options = 1; - opt++; + if (strcmp(opt,"-help")==0) { + usage(stdout); + exit(0); break; } // fall through default: error("unrecognized option `%1'", *opt); - usage(); + usage(stderr); + exit(1); break; } } @@ -378,13 +386,12 @@ int main(int argc, char **argv) return 0; } -static void usage() +static void usage(FILE *stream) { - fprintf(stderr, + fprintf(stream, "usage: %s [-benvCPRS] [-aN] [-cXYZ] [-fN] [-iXYZ] [-kX] [-lM,N] [-p file]\n" " [-sXYZ] [-tN] [-BL.M] [files ...]\n", program_name); - exit(1); } static void possibly_load_default_database() |