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GUACAMOLE-313: Merge remove handling of Unicode codepoints which cannot actually be represented by an X11 keysym.

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This commit is contained in:
Nick Couchman 2018-01-30 19:06:01 -05:00
commit 3f6acb6378
1 changed files with 3 additions and 10 deletions
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13
src/guaclog/keydef.c
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@ -222,7 +222,7 @@ static guaclog_keydef* guaclog_get_unicode_key(int keysym) {
int mask, bytes;
/* Translate only if keysym maps to Unicode */
if (keysym < 0x00 || (keysym > 0xFF && (keysym & 0xFFFF0000) != 0x01000000))
if (keysym < 0x00 || (keysym > 0xFF && (keysym | 0xFFFF) != 0x0100FFFF))
return NULL;
int codepoint = keysym & 0xFFFF;
@ -236,18 +236,11 @@ static guaclog_keydef* guaclog_get_unicode_key(int keysym) {
mask = 0xC0;
bytes = 2;
}
else if (codepoint <= 0xFFFF) {
else {
assert(codepoint <= 0xFFFF);
mask = 0xE0;
bytes = 3;
}
else if (codepoint <= 0x1FFFFF) {
mask = 0xF0;
bytes = 4;
}
/* Otherwise, invalid codepoint */
else
return NULL;
/* Offset buffer by size */
char* key_name = unicode_keydef_name + bytes;