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@ -22,17 +22,24 @@ Cambridge, MA 02139, USA. */
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#define SYS_brk 17
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#endif
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#ifndef HAVE_GNU_LD
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#define __end _end
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#endif
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.data
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.globl ___curbrk
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___curbrk:
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#ifdef __GNU_STAB__
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.long ___end
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#else
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.long _end
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#endif
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.long __end
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.text
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SYSCALL__ (brk)
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movl r0, ___curbrk
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ENTRY (__brk)
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cmpl 4(ap), __end
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bgeq 0f
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movl __env, 4(ap)
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0: chmk $SYS_brk
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bcs 1f
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movl 4(ap), ___curbrk
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clrl r0
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ret
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1:
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jmp syscall_error
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@ -1,4 +1,4 @@
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/* Copyright (C) 1991 Free Software Foundation, Inc.
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/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -22,22 +22,22 @@ Cambridge, MA 02139, USA. */
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/* Copy no more than N bytes of SRC to DEST, stopping when C is found.
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Return the position in DEST one byte past where C was copied,
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or NULL if C was not found in the first NBYTES bytes of SRC. */
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or NULL if C was not found in the first N bytes of SRC. */
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PTR
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DEFUN(__memccpy, (dest, src, c, n),
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PTR dest AND CONST PTR src AND int c AND size_t nbytes)
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{
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/* Except when NBYTES > 65535, this is what a hand-coded version would
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/* Except when N > 65535, this is what a hand-coded version would
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do anyway. */
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PTR found = memchr(src, c, n);
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PTR found = memchr (src, c, n);
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if (found == NULL)
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{
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(void) memcpy(dest, src, n);
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(void) memcpy (dest, src, n);
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return NULL;
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}
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(void) memcpy(dest, src, (char *) found + 1 - (char *) src);
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(void) memcpy (dest, src, (char *) found + 1 - (char *) src);
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return (PTR) ((char *) dest + ((char *) found + 1 - (char *) src));
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}
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