1/*- 2 * Copyright (C) 2013 Pietro Cerutti <gahr@FreeBSD.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 10 unchanged lines hidden (view full) --- 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26#include <sys/cdefs.h> |
27__FBSDID("$FreeBSD: head/lib/libc/stdio/fmemopen.c 266971 2014-06-02 13:48:57Z gahr $"); |
28 29#include <fcntl.h> 30#include <stdbool.h> 31#include <stdio.h> 32#include <stdlib.h> 33#include <string.h> 34#include <errno.h> 35#include "local.h" --- 16 unchanged lines hidden (view full) --- 52FILE * 53fmemopen(void * __restrict buf, size_t size, const char * __restrict mode) 54{ 55 struct fmemopen_cookie *ck; 56 FILE *f; 57 int flags, rc; 58 59 /* |
60 * POSIX says we shall return EINVAL if size is 0. 61 */ 62 if (size == 0) { 63 errno = EINVAL; 64 return (NULL); 65 } 66 67 /* |
68 * Retrieve the flags as used by open(2) from the mode argument, and 69 * validate them. 70 */ 71 rc = __sflags(mode, &flags); 72 if (rc == 0) { 73 errno = EINVAL; 74 return (NULL); 75 } --- 46 unchanged lines hidden (view full) --- 122 * for append (binary-mode), the size of the buffer 123 * 124 * for read, the size of the buffer 125 * 126 * for write, 0 127 */ 128 switch (mode[0]) { 129 case 'a': |
130 ck->off = ck->len = strnlen(ck->buf, ck->size); |
131 break; 132 case 'r': 133 ck->len = size; 134 break; 135 case 'w': 136 ck->len = 0; 137 break; 138 } --- 121 unchanged lines hidden --- |