diff options
| -rw-r--r-- | editors/sed.c | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/editors/sed.c b/editors/sed.c index ed12e43..de18996 100644 --- a/editors/sed.c +++ b/editors/sed.c @@ -888,53 +888,44 @@ static void process_files(void) old_matched = sed_cmd->in_match; /* Determine if this command matches this line: */ - /* Are we continuing a previous multi-line match? */ + + /* Are we continuing a previous multi-line match? */ sed_cmd->in_match = sed_cmd->in_match /* Or is no range necessary? */ || (!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 - /* 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)) - ) - ) + || (sed_cmd->beg_line > 0 && (sed_cmd->beg_line <= linenum)) /* Or does this line match our begin address regex? */ || (beg_match(sed_cmd, pattern_space)) /* Or did we match last line of input? */ || (sed_cmd->beg_line == -1 && next_line == NULL); + /* Snapshot the value */ matched = sed_cmd->in_match; //bb_error_msg("cmd:'%c' matched:%d beg_line:%d end_line:%d linenum:%d", //sed_cmd->cmd, matched, sed_cmd->beg_line, sed_cmd->end_line, linenum); /* Is this line the end of the current match? */ + if (matched) { - int n = ( + /* once matched, "n,xxx" range is dead, disabling it */ + if (sed_cmd->beg_line > 0) + sed_cmd->beg_line = -2; + sed_cmd->in_match = !( /* has the ending line come, or is this a single address command? */ - sed_cmd->end_line ? + (sed_cmd->end_line ? sed_cmd->end_line == -1 ? !next_line : (sed_cmd->end_line <= linenum) : !sed_cmd->end_match - ); - if (!n) { + ) /* or does this line matches our last address regex */ - n = (sed_cmd->end_match - && old_matched + || (sed_cmd->end_match && old_matched && (regexec(sed_cmd->end_match, - pattern_space, 0, NULL, 0) == 0) - ); - } - 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; + pattern_space, 0, NULL, 0) == 0)) + ); } /* Skip blocks of commands we didn't match */ |