libansilove

commit 48c55c5c1e7823c69a2ed20eee52754700699083
parent 77517f05d1a908f3c0c2f8ad1fccf7f093d0940c
Author: Frederic Cambus <fred@statdns.com>
Date:   Mon,  8 Oct 2018 22:33:06 +0200

Since column is now uint32_t, remove always false check and add check for integer underflow

Diffstat:
M
src/loaders/ansi.c
 | 
8
++++----

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/loaders/ansi.c b/src/loaders/ansi.c
@@ -214,10 +214,10 @@ int ansilove_ansi(struct ansilove_ctx *ctx, struct ansilove_options *options)
 					uint32_t seq_column = strtonum(seqGrab, 0, UINT32_MAX, &errstr);
 					free(seqGrab);
 
-					column -= seq_column ? seq_column : 1;
-
-					if (column < 0)
-						column = 0;
+					if (seq_column && (column - seq_column) >= 0)
+						column -= seq_column;
+					else if (column > 0)
+						column--;
 
 					loop += ansi_sequence_loop+2;
 					break;