From ad3053cbf11882fc2478adedbd82aadb0b6f9ca9 Mon Sep 17 00:00:00 2001 From: Kristaps Dzonsons Date: Thu, 7 Jan 2010 10:24:43 +0000 Subject: Check for white-space at the end of free-form text. Lack of check spotted by Jason McIntyre. --- mdoc.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'mdoc.c') diff --git a/mdoc.c b/mdoc.c index 9c24880e..0d3925ff 100644 --- a/mdoc.c +++ b/mdoc.c @@ -581,6 +581,7 @@ static int parsetext(struct mdoc *m, int line, char *buf) { int i, j; + char sv; if (SEC_NONE == m->lastnamed) return(mdoc_perr(m, line, 0, ETEXTPROL)); @@ -614,15 +615,29 @@ parsetext(struct mdoc *m, int line, char *buf) if (i && ' ' == buf[i] && '\\' == buf[i - 1]) continue; + sv = buf[i]; buf[i++] = '\0'; if ( ! pstring(m, line, j, &buf[j], (size_t)(i - j))) return(0); + /* Trailing whitespace? Check at overwritten byte. */ + + if (' ' == sv && '\0' == buf[i]) + if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS)) + return(0); + for ( ; ' ' == buf[i]; i++) /* Skip trailing whitespace. */ ; j = i; + + /* Trailing whitespace? */ + + if (' ' == buf[i - 1] && '\0' == buf[i]) + if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS)) + return(0); + if ('\0' == buf[i]) break; } -- cgit