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author | 2014-04-20 20:18:12 +0000 | |
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committer | 2014-04-20 20:18:12 +0000 | |
commit | fece5afe88597138c5b8649d9a19911461e3622b (patch) | |
tree | 673903aa78a85c00d4d4169be13b68808d419833 /man_html.c | |
parent | c0c47ffe49a70fb77831194f625f593bd29c449e (diff) | |
download | mandoc-fece5afe88597138c5b8649d9a19911461e3622b.tar.gz mandoc-fece5afe88597138c5b8649d9a19911461e3622b.tar.zst mandoc-fece5afe88597138c5b8649d9a19911461e3622b.zip |
fix unchecked snprintf(3) in page header printing:
the length of the title is unknown, and speed doesn't matter here,
so use asprintf/free rather than a static buffer
Diffstat (limited to 'man_html.c')
-rw-r--r-- | man_html.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -1,4 +1,4 @@ -/* $Id: man_html.c,v 1.93 2014/04/20 16:46:04 schwarze Exp $ */ +/* $Id: man_html.c,v 1.94 2014/04/20 20:18:12 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> @@ -28,6 +28,7 @@ #include <string.h> #include "mandoc.h" +#include "mandoc_aux.h" #include "out.h" #include "html.h" #include "man.h" @@ -300,9 +301,10 @@ a2width(const struct man_node *n, struct roffsu *su) static void man_root_pre(MAN_ARGS) { + char b[BUFSIZ]; struct htmlpair tag[3]; struct tag *t, *tt; - char b[BUFSIZ], title[BUFSIZ]; + char *title; b[0] = 0; if (man->vol) @@ -310,7 +312,7 @@ man_root_pre(MAN_ARGS) assert(man->title); assert(man->msec); - snprintf(title, BUFSIZ - 1, "%s(%s)", man->title, man->msec); + mandoc_asprintf(&title, "%s(%s)", man->title, man->msec); PAIR_SUMMARY_INIT(&tag[0], "Document Header"); PAIR_CLASS_INIT(&tag[1], "head"); @@ -341,6 +343,7 @@ man_root_pre(MAN_ARGS) print_otag(h, TAG_TD, 2, tag); print_text(h, title); print_tagq(h, t); + free(title); } static void |