| fwrite.c (165903) | fwrite.c (195637) |
|---|---|
| 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#if defined(LIBC_SCCS) && !defined(lint) 34static char sccsid[] = "@(#)fwrite.c 8.1 (Berkeley) 6/4/93"; 35#endif /* LIBC_SCCS and not lint */ 36#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#if defined(LIBC_SCCS) && !defined(lint) 34static char sccsid[] = "@(#)fwrite.c 8.1 (Berkeley) 6/4/93"; 35#endif /* LIBC_SCCS and not lint */ 36#include <sys/cdefs.h> |
| 37__FBSDID("$FreeBSD: head/lib/libc/stdio/fwrite.c 165903 2007-01-09 00:28:16Z imp $"); | 37__FBSDID("$FreeBSD: head/lib/libc/stdio/fwrite.c 195637 2009-07-12 13:09:43Z ed $"); |
| 38 39#include "namespace.h" 40#include <stdio.h> 41#include "un-namespace.h" 42#include "local.h" 43#include "fvwrite.h" 44#include "libc_private.h" 45 --- 6 unchanged lines hidden (view full) --- 52 const void * __restrict buf; 53 size_t size, count; 54 FILE * __restrict fp; 55{ 56 size_t n; 57 struct __suio uio; 58 struct __siov iov; 59 | 38 39#include "namespace.h" 40#include <stdio.h> 41#include "un-namespace.h" 42#include "local.h" 43#include "fvwrite.h" 44#include "libc_private.h" 45 --- 6 unchanged lines hidden (view full) --- 52 const void * __restrict buf; 53 size_t size, count; 54 FILE * __restrict fp; 55{ 56 size_t n; 57 struct __suio uio; 58 struct __siov iov; 59 |
| 60 /* 61 * ANSI and SUSv2 require a return value of 0 if size or count are 0. 62 */ 63 n = count * size; 64 if (n == 0) 65 return (0); 66 |
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| 60 iov.iov_base = (void *)buf; | 67 iov.iov_base = (void *)buf; |
| 61 uio.uio_resid = iov.iov_len = n = count * size; | 68 uio.uio_resid = iov.iov_len = n; |
| 62 uio.uio_iov = &iov; 63 uio.uio_iovcnt = 1; 64 65 FLOCKFILE(fp); 66 ORIENT(fp, -1); 67 /* 68 * The usual case is success (__sfvwrite returns 0); 69 * skip the divide if this happens, since divides are 70 * generally slow and since this occurs whenever size==0. 71 */ 72 if (__sfvwrite(fp, &uio) != 0) 73 count = (n - uio.uio_resid) / size; 74 FUNLOCKFILE(fp); 75 return (count); 76} | 69 uio.uio_iov = &iov; 70 uio.uio_iovcnt = 1; 71 72 FLOCKFILE(fp); 73 ORIENT(fp, -1); 74 /* 75 * The usual case is success (__sfvwrite returns 0); 76 * skip the divide if this happens, since divides are 77 * generally slow and since this occurs whenever size==0. 78 */ 79 if (__sfvwrite(fp, &uio) != 0) 80 count = (n - uio.uio_resid) / size; 81 FUNLOCKFILE(fp); 82 return (count); 83} |