Hi,
here are a some fixes for xloadimage that I've had in the OpenBSD
package for a long time and that Debian might want to pick up:
(1) cmuwmraster.c
The image header fields have a fixed width, see cmuwmraster.h, so
they need to be accessed with this width and not with
architecture-dependent sizes like sizeof(long).
(2) image.h
The C integer promotion rules are tricky. Arithmetic on unsigned
chars is done at type int, which is sign-extended when cast to
unsigned long (on LP64 platforms). Insert a cast to unsigned int
to prevent, say, 0x88664422 from ending up as 0xFFFFFFFF88664422.
(3) uufilter.c
Include <stdlib.h> to fetch the prototype for exit().
--- cmuwmraster.c.orig Wed Jul 16 16:22:59 2008
+++ cmuwmraster.c Wed Jul 16 16:23:21 2008
@@ -22,9 +22,9 @@ struct cmuwm_header *headerp;
{
printf("%s is a %ldx%ld %ld plane CMU WM raster\n",
name,
- memToVal(headerp->width, sizeof(long)),
- memToVal(headerp->height, sizeof(long)),
- memToVal(headerp->depth, sizeof(short)));
+ memToVal(headerp->width, 4),
+ memToVal(headerp->height, 4),
+ memToVal(headerp->depth, 2));
}
int cmuwmIdent(fullname, name)
@@ -48,7 +48,7 @@ char *fullname, *name;
break;
case sizeof(struct cmuwm_header):
- if (memToVal(header.magic, sizeof(long)) != CMUWM_MAGIC)
+ if (memToVal(header.magic, 4) != CMUWM_MAGIC)
{
r = 0;
break;
@@ -91,7 +91,7 @@ unsigned int verbose;
exit(1);
case sizeof(struct cmuwm_header):
- if (memToVal(header.magic, sizeof(long)) != CMUWM_MAGIC)
+ if (memToVal(header.magic, 4) != CMUWM_MAGIC)
{
zclose(zf);
return(NULL);
@@ -104,16 +104,16 @@ unsigned int verbose;
return(NULL);
}
- if (memToVal(header.depth, sizeof(short)) != 1)
+ if (memToVal(header.depth, 2) != 1)
{
fprintf(stderr,"CMU WM raster %s is of depth %d, must be 1",
name,
- (int) header.depth);
+ memToVal(header.depth, 2));
return(NULL);
}
- image = newBitImage(width = memToVal(header.width, sizeof(long)),
- height = memToVal(header.height, sizeof(long)));
+ image = newBitImage(width = memToVal(header.width, 4),
+ height = memToVal(header.height, 4));
linelen = (width / 8) + (width % 8 ? 1 : 0);
lineptr = image->data;
--- image.h.orig Fri Apr 13 12:46:25 2012
+++ image.h Fri Apr 13 12:47:21 2012
@@ -163,7 +163,7 @@ typedef struct {
((LEN) == 2 ? ((unsigned long) \
(*(byte *)(PTR) << 8) | \
(*((byte *)(PTR) + 1))) : \
- ((unsigned long)((*(byte *)(PTR) << 24) | \
+ ((unsigned long)(unsigned int)((*(byte *)(PTR) << 24) | \
(*((byte *)(PTR) + 1) << 16) | \
(*((byte *)(PTR) + 2) << 8) | \
(*((byte *)(PTR) + 3)))))))
@@ -176,7 +176,7 @@ typedef struct {
(*((byte *)(PTR) + 2) << 16)) : \
((LEN) == 2 ? ((unsigned long) \
(*(byte *)(PTR)) | (*((byte *)(PTR) + 1) << 8)) : \
- ((unsigned long)((*(byte *)(PTR)) | \
+ ((unsigned long)(unsigned int)((*(byte *)(PTR)) | \
(*((byte *)(PTR) + 1) << 8) | \
(*((byte *)(PTR) + 2) << 16) | \
(*((byte *)(PTR) + 3) << 24))))))
--- uufilter.c.orig Tue Oct 26 18:48:44 2010
+++ uufilter.c Tue Oct 26 18:48:59 2010
@@ -11,6 +11,7 @@
*/
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
int main(argc, argv)
--
Christian "naddy" Weisgerber na...@mips.inka.de
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