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Cast the fill value to unsigned char so that the "fill" value used for 

full-word fills isn't garbage.
This commit is contained in:
simonb 2021-04-17 06:02:35 +00:00
parent 4e9c90673d
commit e857cfe928
1 changed files with 2 additions and 2 deletions
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4
common/lib/libc/string/memset2.c
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@ -29,7 +29,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: memset2.c,v 1.6 2021/04/17 05:57:11 simonb Exp $");
__RCSID("$NetBSD: memset2.c,v 1.7 2021/04/17 06:02:35 simonb Exp $");
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
@ -97,7 +97,7 @@ memset(void *addr, int c, size_t len)
* The conditional at the end prevents GCC from complaing about
* shift count >= width of type
*/
fill = c;
fill = (unsigned char)c;
fill |= fill << 8;
fill |= fill << 16;
fill |= fill << (sizeof(c) < sizeof(fill) ? 32 : 0);