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authorGlenn L McGrath2003-09-13 06:57:39 +0000
committerGlenn L McGrath2003-09-13 06:57:39 +0000
commitc18ce373a21f72b23259c9c15503ac8800d605c7 (patch)
tree4cfed64c2642b0aed4214dbbc6216eda1c3c51ea
parentc2b9186be16e71a2fc5c4f05346a876a30bfbd16 (diff)
downloadbusybox-c18ce373a21f72b23259c9c15503ac8800d605c7.zip
busybox-c18ce373a21f72b23259c9c15503ac8800d605c7.tar.gz
Fix the following testcase by storing the state of the adress match with
the command. # cat strings a b c d e f g # ./busybox sed '1,2d;4,$d' <strings c # ./busybox sed '4,$d;1,2d' <strings # sed '4,$d;1,2d' <strings c # sed '1,2d;4,$d' <strings c
-rw-r--r--editors/sed.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/editors/sed.c b/editors/sed.c
index b06d5a8..5bfe924 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -75,6 +75,9 @@ typedef struct sed_cmd_s {
int invert; /* the '!' after the address */
// int block_cmd; /* This command is part of a group that has a command address */
+ /* Runtime flag no not if the current command match's */
+ int still_in_range;
+
/* SUBSTITUTION COMMAND SPECIFIC FIELDS */
/* sed -e 's/sub_match/replace/' */
@@ -491,7 +494,7 @@ static char *parse_cmd_str(sed_cmd_t * sed_cmd, char *cmdstr)
return (cmdstr);
}
-static char *add_cmd(sed_cmd_t * sed_cmd, char *cmdstr)
+static char *add_cmd(sed_cmd_t *sed_cmd, char *cmdstr)
{
/* Skip over leading whitespace and semicolons */
cmdstr += strspn(cmdstr, semicolon_whitespace);
@@ -793,7 +796,6 @@ static void process_file(FILE * file)
char *pattern_space; /* Posix requires it be able to hold at least 8192 bytes */
char *hold_space = NULL; /* Posix requires it be able to hold at least 8192 bytes */
static int linenum = 0; /* GNU sed does not restart counting lines at EOF */
- unsigned int still_in_range = 0;
int altered;
int force_print;
@@ -836,7 +838,7 @@ static void process_file(FILE * file)
&& (regexec(sed_cmd->beg_match, pattern_space, 0, NULL,
0) == 0)) ||
/* we are currently within the beginning & ending address range */
- still_in_range || ((sed_cmd->beg_line == -1)
+ sed_cmd->still_in_range || ((sed_cmd->beg_line == -1)
&& (next_line == NULL))
);
if (sed_cmd->cmd == '{') {
@@ -1077,7 +1079,7 @@ static void process_file(FILE * file)
/* If only one address */
/* we were in the middle of our address range (this
* isn't the first time through) and.. */
- || ((still_in_range == 1)
+ || ((sed_cmd->still_in_range == 1)
/* this line number is the last address we're looking for or... */
&& ((sed_cmd->end_line > 0
&& (sed_cmd->end_line == linenum))
@@ -1086,10 +1088,10 @@ static void process_file(FILE * file)
&& (regexec(sed_cmd->end_match, pattern_space,
0, NULL, 0) == 0))))) {
/* we're out of our address range */
- still_in_range = 0;
+ sed_cmd->still_in_range = 0;
} else {
/* didn't hit the exit? then we're still in the middle of an address range */
- still_in_range = 1;
+ sed_cmd->still_in_range = 1;
}
}