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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2021-05-18 13:22:43 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2021-05-18 13:22:43 +0000 |
| commit | aad48758804c7d768433a0f6669d73e6cc0d77b8 (patch) | |
| tree | 2acb3b24e81d859830d5bc001d21a068a89ac6a7 | |
| parent | d6266f53ec7f1dc3346b03dc9d37493645b4f5d4 (diff) | |
| download | mandoc-aad48758804c7d768433a0f6669d73e6cc0d77b8.tar.gz mandoc-aad48758804c7d768433a0f6669d73e6cc0d77b8.tar.zst mandoc-aad48758804c7d768433a0f6669d73e6cc0d77b8.zip | |
When looking for column separators on tbl(7) data lines, properly skip
escape sequences; do not misinterpret bytes from the middle of escape
sequence names or arguments as column separators.
Bug reported and patch tested by Oliver dot Corff at email dot de.
| -rw-r--r-- | tbl_data.c | 12 |
1 files changed, 8 insertions, 4 deletions
@@ -1,7 +1,7 @@ -/* $Id: tbl_data.c,v 1.54 2021/05/15 17:19:04 schwarze Exp $ */ +/* $Id: tbl_data.c,v 1.55 2021/05/18 13:22:43 schwarze Exp $ */ /* * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2011,2015,2017,2018,2019 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2011,2015,2017-2019,2021 Ingo Schwarze <schwarze@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -46,6 +46,7 @@ getdata(struct tbl_node *tbl, struct tbl_span *dp, struct tbl_dat *dat, *pdat; struct tbl_cell *cp; struct tbl_span *pdp; + const char *ccp; int sv; /* @@ -54,8 +55,11 @@ getdata(struct tbl_node *tbl, struct tbl_span *dp, */ sv = *pos; - while (p[*pos] != '\0' && p[*pos] != tbl->opts.tab) - (*pos)++; + ccp = p + sv; + while (*ccp != '\0' && *ccp != tbl->opts.tab) + if (*ccp++ == '\\') + mandoc_escape(&ccp, NULL, NULL); + *pos = ccp - p; /* Advance to the next layout cell, skipping spanners. */ |