From ae68f1133f5d7ea56ac3ea7f0ee439c3496835e8 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Fri, 10 Jul 2009 11:55:20 +0200 Subject: sed: deal with peculiar behavior of '2d;2,1p' in GNU sed function old new delta process_files 2173 2120 -53 Signed-off-by: Denys Vlasenko --- editors/sed.c | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) (limited to 'editors') diff --git a/editors/sed.c b/editors/sed.c index 2127301d5..ed12e4336 100644 --- a/editors/sed.c +++ b/editors/sed.c @@ -894,12 +894,13 @@ static void process_files(void) || (!sed_cmd->beg_line && !sed_cmd->end_line && !sed_cmd->beg_match && !sed_cmd->end_match) /* Or did we match the start of a numerical range? */ - || (sed_cmd->beg_line > 0 && (sed_cmd->beg_line == linenum - /* "shadowed beginning" case: "1d;1,ENDp" - p still matches at line 2 - * even though 1d skipped line 1 which is a start line for p */ - || (sed_cmd->end_line && sed_cmd->beg_line < linenum && sed_cmd->end_line >= linenum) - || (sed_cmd->end_match && sed_cmd->beg_line < linenum) - ) + || (sed_cmd->beg_line > 0 + && (sed_cmd->beg_line == linenum + /* GNU sed compat: + * "shadowed beginning" case: "1d;1,ENDp" - p still matches at line 2 + * even though 1d skipped line 1 which is a start line for p */ + || (sed_cmd->beg_line < linenum && (sed_cmd->end_line > 0 || sed_cmd->end_match)) + ) ) /* Or does this line match our begin address regex? */ || (beg_match(sed_cmd, pattern_space)) @@ -928,12 +929,10 @@ static void process_files(void) && (regexec(sed_cmd->end_match, pattern_space, 0, NULL, 0) == 0) ); - if (n && sed_cmd->beg_line > 0) { - /* Once matched, "n,regex" range is dead, disabling it */ - regfree(sed_cmd->end_match); - free(sed_cmd->end_match); - sed_cmd->end_match = NULL; - } + } + if (n && sed_cmd->beg_line > 0) { + /* once matched, "n,xxx" range is dead, disabling it */ + sed_cmd->beg_line = -2; } sed_cmd->in_match = !n; } -- cgit v1.2.3