New + command to increase display height.

1 files changed, 10 insertions, 0 deletions

diff --git a/pw.c b/pw.c
index eb4c425..d695ad9 100644
--- a/pw.c
+++ b/pw.c
@@ -692,6 +692,16 @@ int main(int argc, char **argv)
             cmdbuf[1] = 0;
             curcmd = cmdbuf;
             break;
+          case '+':
+            if (ws.ws_row && maxlines >= ws.ws_row - 1)
+              break;
+            maxlines++;
+            if ((circbuf = realloc(circbuf, sizeof *circbuf * maxlines)) == 0)
+              panic("out of memory");
+            if ((snapshot = realloc(snapshot, sizeof *snapshot * maxlines)) == 0)
+              panic("out of memory");
+            snapshot[maxlines-1] = circbuf[maxlines-1] = 0;
+            break;
           }
           break;
         case kbd_esc: