diff options
| -rw-r--r-- | xts5/Xlib17/XSubImage.m | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/xts5/Xlib17/XSubImage.m b/xts5/Xlib17/XSubImage.m index b4e36b00..dc73f162 100644 --- a/xts5/Xlib17/XSubImage.m +++ b/xts5/Xlib17/XSubImage.m @@ -115,11 +115,19 @@ int dep; { int i; int j; -int mod; +unsigned int mod; GC gc; unsigned long val; gc = makegc(display, d); + +/* + Since 'mod' is a 32-bit integer, 'dep>=32' will result in 'mod=0'. + Hence restrict 'dep' to 31. This does not change anything + functionally as window size is restricted to '17x19', rendering 'dep' + values greater than 6 pointless. +*/ + dep = (dep > 31) ? 31 : dep; mod = 1<<dep; for(j=0; j<h; j++) for(i=0; i<w; i++) { @@ -141,8 +149,9 @@ int i; int j; int a; int b; -int mod; +unsigned int mod; + dep = (dep > 31) ? 31 : dep; mod = 1<<dep; for(j=0, b=y; j<h; j++, b++) for(i=0, a=x; i<w; i++, a++) |