1 files changed, 6 insertions, 7 deletions

diff --git a/shell/ash.c b/shell/ash.c
index ef22da1b6..75bfbf115 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2589,9 +2589,7 @@ pwdcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 /* ============ ... */
 
 
-#define IBUFSIZ COMMON_BUFSIZE
-/* buffer for top level input file */
-#define basebuf bb_common_bufsiz1
+#define IBUFSIZ (ENABLE_FEATURE_EDITING ? CONFIG_FEATURE_EDITING_MAX_LEN : 1024)
 
 /* Syntax classes */
 #define CWORD     0             /* character is nothing special */
@@ -9447,12 +9445,12 @@ preadfd(void)
 #if ENABLE_FEATURE_EDITING
  retry:
         if (!iflag || g_parsefile->fd != STDIN_FILENO)
-                nr = nonblock_safe_read(g_parsefile->fd, buf, BUFSIZ - 1);
+                nr = nonblock_safe_read(g_parsefile->fd, buf, IBUFSIZ - 1);
         else {
 #if ENABLE_FEATURE_TAB_COMPLETION
                 line_input_state->path_lookup = pathval();
 #endif
-                nr = read_line_input(cmdedit_prompt, buf, BUFSIZ, line_input_state);
+                nr = read_line_input(cmdedit_prompt, buf, IBUFSIZ, line_input_state);
                 if (nr == 0) {
                         /* Ctrl+C pressed */
                         if (trap[SIGINT]) {
@@ -9469,7 +9467,7 @@ preadfd(void)
                 }
         }
 #else
-        nr = nonblock_safe_read(g_parsefile->fd, buf, BUFSIZ - 1);
+        nr = nonblock_safe_read(g_parsefile->fd, buf, IBUFSIZ - 1);
 #endif
 
 #if 0
@@ -12728,7 +12726,8 @@ static void
 init(void)
 {
         /* from input.c: */
-        basepf.next_to_pgetc = basepf.buf = basebuf;
+        /* we will never free this */
+        basepf.next_to_pgetc = basepf.buf = ckmalloc(IBUFSIZ);
 
         /* from trap.c: */
         signal(SIGCHLD, SIG_DFL);