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This commit is contained in:
Roland McGrath 1992-03-11 02:34:24 +00:00
parent 3120ef0231
commit 1cc063a780
2 changed files with 20 additions and 13 deletions
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21
sysdeps/unix/bsd/vax/brk.S
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@ -22,17 +22,24 @@ Cambridge, MA 02139, USA. */
#define SYS_brk 17
#endif
#ifndef HAVE_GNU_LD
#define __end _end
#endif
.data
.globl ___curbrk
___curbrk:
#ifdef __GNU_STAB__
.long ___end
#else
.long _end
#endif
.long __end
.text
SYSCALL__ (brk)
movl r0, ___curbrk
ENTRY (__brk)
cmpl 4(ap), __end
bgeq 0f
movl __env, 4(ap)
0: chmk $SYS_brk
bcs 1f
movl 4(ap), ___curbrk
clrl r0
ret
1:
jmp syscall_error

12
sysdeps/vax/memccpy.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,22 +22,22 @@ Cambridge, MA 02139, USA. */
/* Copy no more than N bytes of SRC to DEST, stopping when C is found.
Return the position in DEST one byte past where C was copied,
or NULL if C was not found in the first NBYTES bytes of SRC. */
or NULL if C was not found in the first N bytes of SRC. */
PTR
DEFUN(__memccpy, (dest, src, c, n),
PTR dest AND CONST PTR src AND int c AND size_t nbytes)
{
/* Except when NBYTES > 65535, this is what a hand-coded version would
/* Except when N > 65535, this is what a hand-coded version would
do anyway. */
PTR found = memchr(src, c, n);
PTR found = memchr (src, c, n);
if (found == NULL)
{
(void) memcpy(dest, src, n);
(void) memcpy (dest, src, n);
return NULL;
}
(void) memcpy(dest, src, (char *) found + 1 - (char *) src);
(void) memcpy (dest, src, (char *) found + 1 - (char *) src);
return (PTR) ((char *) dest + ((char *) found + 1 - (char *) src));
}