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-rw-r--r--src/miscbltin.c38
1 files changed, 26 insertions, 12 deletions
diff --git a/src/miscbltin.c b/src/miscbltin.c
index 800cbbb..f507381 100644
--- a/src/miscbltin.c
+++ b/src/miscbltin.c
@@ -71,21 +71,22 @@
  *  @param len length of line including trailing '\0'
  */
 static void
-readcmd_handle_line(char *line, char **ap, size_t len)
+readcmd_handle_line(char *s, char **ap)
 {
 	struct arglist arglist;
 	struct strlist *sl;
-	char *s, *backup;
+	char *backup;
+	char *line;
 
 	/* ifsbreakup will fiddle with stack region... */
-	s = grabstackstr(line + len);
+	line = stackblock();
+	s = grabstackstr(s);
 
 	/* need a copy, so that delimiters aren't lost
 	 * in case there are more fields than variables */
 	backup = sstrdup(line);
 
 	arglist.lastp = &arglist.list;
-	recordregion(0, len - 1, 0);
 	
 	ifsbreakup(s, &arglist);
 	*arglist.lastp = NULL;
@@ -137,11 +138,12 @@ int
 readcmd(int argc, char **argv)
 {
 	char **ap;
-	int backslash;
 	char c;
 	int rflag;
 	char *prompt;
 	char *p;
+	int startloc;
+	int newloc;
 	int status;
 	int i;
 
@@ -161,9 +163,12 @@ readcmd(int argc, char **argv)
 	}
 	if (*(ap = argptr) == NULL)
 		sh_error("arg count");
+
 	status = 0;
-	backslash = 0;
 	STARTSTACKSTR(p);
+
+	goto start;
+
 	for (;;) {
 		switch (read(0, &c, 1)) {
 		case 1:
@@ -178,26 +183,35 @@ readcmd(int argc, char **argv)
 		}
 		if (c == '\0')
 			continue;
-		if (backslash || c == CTLESC) {
+		if (newloc >= startloc) {
 			if (c == '\n')
 				goto resetbs;
-			STPUTC(CTLESC, p);
 			goto put;
 		}
 		if (!rflag && c == '\\') {
-			backslash++;
+			newloc = p - (char *)stackblock();
 			continue;
 		}
 		if (c == '\n')
 			break;
 put:
-		STPUTC(c, p);
+		CHECKSTRSPACE(2, p);
+		if (strchr(qchars, c))
+			USTPUTC(CTLESC, p);
+		USTPUTC(c, p);
+
+		if (newloc >= startloc) {
 resetbs:
-		backslash = 0;
+			recordregion(startloc, newloc, 0);
+start:
+			startloc = p - (char *)stackblock();
+			newloc = startloc - 1;
+		}
 	}
 out:
+	recordregion(startloc, p - (char *)stackblock(), 0);
 	STACKSTRNUL(p);
-	readcmd_handle_line(stackblock(), ap, p + 1 - (char *)stackblock());
+	readcmd_handle_line(p + 1, ap);
 	return status;
 }