core: fix spaces displayed after combining chars (bug #40115)

2013-10-02 08:03:22 +02:00 · 2013-10-02 08:03:22 +02:00 · 42dce54812
commit 42dce54812
parent 4e67133b9e
1 changed files with 4 additions and 3 deletions
--- a/src/core/wee-utf8.c
+++ b/src/core/wee-utf8.c
@ -427,10 +427,11 @@ utf8_strlen_screen (const char *string)
    {
        length = wcswidth (ptr_wstring, num_char);
        /*
-         * ensure the size is always >= 1, to prevent any display bug
-         * (for example size of UTF-8 char U+26C4 is -1, why? mystery...)
+         * if the char is non-printable, wcswidth returns -1
+         * (for example the length of the snowman without snow (U+26C4) == -1)
+         * => in this case, consider the length is 1, to prevent any display bug
         */
-        if (length < 1)
+        if (length < 0)
            length = 1;
    }
    else