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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2015-02-07 06:28:08 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2015-02-07 06:28:08 +0000 |
| commit | b7b56f24dd304cb4dfd288e46f98b1edb7eb3a9c (patch) | |
| tree | 5deba0e20ba70fc71ccbb3ba20886c79a7bb35af /demandoc.c | |
| parent | f5b94dbc5c8c520ba699b3625ee96b70beec3a75 (diff) | |
| download | mandoc-b7b56f24dd304cb4dfd288e46f98b1edb7eb3a9c.tar.gz mandoc-b7b56f24dd304cb4dfd288e46f98b1edb7eb3a9c.tar.zst mandoc-b7b56f24dd304cb4dfd288e46f98b1edb7eb3a9c.zip | |
be more careful about argc == 0
Diffstat (limited to 'demandoc.c')
| -rw-r--r-- | demandoc.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -1,4 +1,4 @@ -/* $Id: demandoc.c,v 1.13 2015/01/15 04:26:39 schwarze Exp $ */ +/* $Id: demandoc.c,v 1.14 2015/02/07 06:28:08 schwarze Exp $ */ /* * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> * @@ -47,8 +47,9 @@ main(int argc, char *argv[]) int ch, fd, i, list; extern int optind; - progname = strrchr(argv[0], '/'); - if (progname == NULL) + if (argc < 1) + progname = "demandoc"; + else if ((progname = strrchr(argv[0], '/')) == NULL) progname = argv[0]; else ++progname; @@ -81,7 +82,7 @@ main(int argc, char *argv[]) mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, mchars, NULL); assert(mp); - if (0 == argc) + if (argc < 1) pmandoc(mp, STDIN_FILENO, "<stdin>", list); for (i = 0; i < argc; i++) { |