less: fix pasting into search line ('/' cmd) -

 it was mishandled because pasting "types" very fast
 and read_key eats many chars. +30 bytes.

1 files changed, 17 insertions, 11 deletions

diff --git a/miscutils/less.c b/miscutils/less.c
index 6c793ad8b..36d451271 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -96,7 +96,9 @@ struct globals {
         smallint pattern_valid;
 #endif
         smallint terminated;
+        smalluint kbd_input_size;
         struct termios term_orig, term_less;
+        char kbd_input[KEYCODE_BUFFER_SIZE];
 };
 #define G (*ptr_to_globals)
 #define cur_fline           (G.cur_fline         )
@@ -133,6 +135,8 @@ struct globals {
 #define terminated          (G.terminated        )
 #define term_orig           (G.term_orig         )
 #define term_less           (G.term_less         )
+#define kbd_input_size      (G.kbd_input_size    )
+#define kbd_input           (G.kbd_input         )
 #define INIT_G() do { \
         SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
         less_gets_pos = -1; \
@@ -806,7 +810,6 @@ static void reinitialize(void)
 
 static ssize_t getch_nowait(void)
 {
-        char input[KEYCODE_BUFFER_SIZE];
         int rd;
         struct pollfd pfd[2];
 
@@ -837,22 +840,25 @@ static ssize_t getch_nowait(void)
         if (less_gets_pos >= 0)
                 move_cursor(max_displayed_line + 2, less_gets_pos + 1);
         fflush(stdout);
+
+        if (kbd_input_size == 0) {
 #if ENABLE_FEATURE_LESS_WINCH
-        while (1) {
-                int r;
-                /* NB: SIGWINCH interrupts poll() */
-                r = poll(pfd + rd, 2 - rd, -1);
-                if (/*r < 0 && errno == EINTR &&*/ winch_counter)
-                        return '\\'; /* anything which has no defined function */
-                if (r) break;
-        }
+                while (1) {
+                        int r;
+                        /* NB: SIGWINCH interrupts poll() */
+                        r = poll(pfd + rd, 2 - rd, -1);
+                        if (/*r < 0 && errno == EINTR &&*/ winch_counter)
+                                return '\\'; /* anything which has no defined function */
+                        if (r) break;
+                }
 #else
-        safe_poll(pfd + rd, 2 - rd, -1);
+                safe_poll(pfd + rd, 2 - rd, -1);
 #endif
+        }
 
         /* We have kbd_fd in O_NONBLOCK mode, read inside read_key()
          * would not block even if there is no input available */
-        rd = read_key(kbd_fd, NULL, input);
+        rd = read_key(kbd_fd, &kbd_input_size, kbd_input);
         if (rd == -1) {
                 if (errno == EAGAIN) {
                         /* No keyboard input available. Since poll() did return,