/src/libdraw/mouse.c /src/libdraw/writecolmap.c
% cat >/sys/lib/dist/changes/1176503406.4.txt << EOF
•	Return nil if we have no memory to allocate. We already returned nil
before, so we shouldn't need to check callers to ensure error checking.
•	We're writecolmap, not wrcolmap. Don't confuse people if they want to
grep for writecolmap.
EOF
 [geoff] --rw-rw-r-- M 121 glenda sys 2623 Apr 13 18:11 sys/src/libdraw/mouse.c
	/n/sourcesdump/2007/0413/plan9/sys/src/libdraw/mouse.c:108,113 - 
	/n/sources/plan9/sys/src/libdraw/mouse.c:108,118
	  		return nil;
	  	}
	  	t = malloc(strlen(file)+16);
	+ 	if (t == nil) {
	+ 		close(mc->mfd);
	+ 		free(mc);
	+ 		return nil;
	+ 	}
	  	strcpy(t, file);
	  	sl = utfrrune(t, '/');
	  	if(sl)
 [geoff] --rw-rw-r-- M 121 glenda sys 788 Apr 13 18:11 sys/src/libdraw/writecolmap.c
	/n/sourcesdump/2007/0413/plan9/sys/src/libdraw/writecolmap.c:18,25 - 
	/n/sources/plan9/sys/src/libdraw/writecolmap.c:18,27
	  	sprint(buf, "/dev/draw/%d/colormap", d->dirno);
	  	fd = open(buf, OWRITE);
	  	if(fd < 0)
	- 		drawerror(d, "wrcolmap: open colormap failed");
	+ 		drawerror(d, "writecolmap: open colormap failed");
	  	t = malloc(8192);
	+ 	if (t == nil)
	+ 		drawerror(d, "writecolmap: no memory");
	  	n = 0;
	  	for(i = 0; i < 256; i++) {
	  		r = m[i].red>>24;
	/n/sourcesdump/2007/0413/plan9/sys/src/libdraw/writecolmap.c:31,35 - 
	/n/sources/plan9/sys/src/libdraw/writecolmap.c:33,37
	  	free(t);
	  	close(fd);
	  	if(i != n)
	- 		drawerror(d, "wrcolmap: bad write");
	+ 		drawerror(d, "writecolmap: bad write");
	  }