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-rw-r--r--toys/pending/sed.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/toys/pending/sed.c b/toys/pending/sed.c
index 287b9965..1ca8bc6b 100644
--- a/toys/pending/sed.c
+++ b/toys/pending/sed.c
@@ -284,6 +284,8 @@ static void walk_pattern(char **pline, long plen)
// Grab next line for deferred processing (EOF detection: we get a NULL
// pline at EOF to flush last line). Note that only end of _last_ input
// file matches $ (unless we're doing -i).
+ TT.nextline = 0;
+ TT.nextlen = 0;
if (pline) {
TT.nextline = *pline;
TT.nextlen = plen;
@@ -435,8 +437,14 @@ static void walk_pattern(char **pline, long plen)
char *l = (c=='P') ? strchr(line, '\n') : 0;
if (emit(line, l ? l-line : len, eol)) break;
- } else if (c=='q') break;
- else if (c=='s') {
+ } else if (c=='q') {
+ if (pline) *pline = (void *)1;
+ free(TT.nextline);
+ TT.nextline = 0;
+ TT.nextlen = 0;
+
+ break;
+ } else if (c=='s') {
char *rline = line, *new = logrus->arg2 + (char *)logrus, *swap, *rswap;
regmatch_t *match = (void *)toybuf;
regex_t *reg = get_regex(logrus, logrus->arg1);
@@ -566,7 +574,7 @@ writenow:
if (j != -1) line[i] = to[j];
}
} else if (c=='=') xprintf("%ld\n", TT.count);
- else if (c!=':') error_exit("todo: %c", c);
+ else if (!strchr(":{}", c)) error_exit("todo: %c", c);
logrus = logrus->next;
}
@@ -594,9 +602,9 @@ done:
// Genericish function, can probably get moved to lib.c
-// Iterate over lines in file, calling function. Function can write NULL to
-// the line pointer if they want to keep it, otherwise line is freed.
-// Passed file descriptor is closed at the end of processing.
+// Iterate over lines in file, calling function. Function can write 0 to
+// the line pointer if they want to keep it, or 1 to terminate processing,
+// otherwise line is freed. Passed file descriptor is closed at the end.
static void do_lines(int fd, char *name, void (*call)(char **pline, long len))
{
FILE *fp = fd ? xfdopen(fd, "r") : stdin;
@@ -608,6 +616,7 @@ static void do_lines(int fd, char *name, void (*call)(char **pline, long len))
len = getline(&line, (void *)&len, fp);
if (len > 0) {
call(&line, len);
+ if (line == (void *)1) break;
free(line);
} else break;
}
@@ -803,7 +812,7 @@ static void jewel_of_judgement(char **pline, long len)
reg = extend_string((void *)&corwin, fiona, corwin->arg2, line-fiona)+1;
// get flags
- for (line++; *line && *line != ';' && *line != '#'; line++) {
+ for (line++; *line; line++) {
long l;
if (isspace(*line)) continue;
@@ -812,11 +821,10 @@ static void jewel_of_judgement(char **pline, long len)
else if (!corwin->sflags >> 3 && 0<(l = strtol(line, &line, 10))) {
corwin->sflags |= l << 3;
line--;
- } else if (*line == 'w') break;
- else goto brand;
+ } else break;
}
- // We deferred actually parsing the rexex until we had the s///i flag
+ // We deferred actually parsing the regex until we had the s///i flag
// allocating the space was done by extend_string() above
if (!*merlin) corwin->arg1 = 0;
else xregcomp((void *)(corwin->arg1 + (char *)corwin), merlin,