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2aa62f2b | 1 | /*-\r |
2 | * Copyright (c) 1990, 1993\r | |
3 | * The Regents of the University of California. All rights reserved.\r | |
4 | *\r | |
5 | * This code is derived from software contributed to Berkeley by\r | |
6 | * Donn Seeley at UUNET Technologies, Inc.\r | |
7 | *\r | |
8 | * Redistribution and use in source and binary forms, with or without\r | |
9 | * modification, are permitted provided that the following conditions\r | |
10 | * are met:\r | |
11 | * 1. Redistributions of source code must retain the above copyright\r | |
12 | * notice, this list of conditions and the following disclaimer.\r | |
13 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
14 | * notice, this list of conditions and the following disclaimer in the\r | |
15 | * documentation and/or other materials provided with the distribution.\r | |
16 | * 3. All advertising materials mentioning features or use of this software\r | |
17 | * must display the following acknowledgement:\r | |
18 | * This product includes software developed by the University of\r | |
19 | * California, Berkeley and its contributors.\r | |
20 | * 4. Neither the name of the University nor the names of its contributors\r | |
21 | * may be used to endorse or promote products derived from this software\r | |
22 | * without specific prior written permission.\r | |
23 | *\r | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
34 | * SUCH DAMAGE.\r | |
35 | \r | |
36 | FreeBSD: src/lib/libc/stdio/vswscanf.c,v 1.3 2004/04/07 09:55:05 tjr Exp\r | |
37 | NetBSD: vswscanf.c,v 1.3 2005/12/02 13:51:22 yamt Exp\r | |
38 | */\r | |
39 | #include <LibConfig.h>\r | |
40 | #include <sys/EfiCdefs.h>\r | |
41 | \r | |
42 | #include <limits.h>\r | |
43 | #include <stdarg.h>\r | |
44 | #include <stdio.h>\r | |
45 | #include <stdlib.h>\r | |
46 | #include <string.h>\r | |
47 | #include <wchar.h>\r | |
48 | #include <sys/types.h>\r | |
49 | #include "reentrant.h"\r | |
50 | #include "local.h"\r | |
51 | \r | |
52 | static int eofread(void *, char *, int);\r | |
53 | \r | |
54 | static int\r | |
55 | /*ARGSUSED*/\r | |
56 | eofread(void *cookie, char *buf, int len)\r | |
57 | {\r | |
58 | return (0);\r | |
59 | }\r | |
60 | \r | |
61 | int\r | |
62 | vswscanf(\r | |
63 | const wchar_t * __restrict str,\r | |
64 | const wchar_t * __restrict fmt,\r | |
65 | va_list ap\r | |
66 | )\r | |
67 | {\r | |
68 | static const mbstate_t initial = { 0 };\r | |
69 | mbstate_t mbs;\r | |
70 | FILE f;\r | |
71 | char *mbstr;\r | |
72 | size_t mlen;\r | |
73 | int r;\r | |
74 | const wchar_t *rstr = str;\r | |
75 | struct __sfileext fext = { 0 };\r | |
76 | \r | |
77 | /*\r | |
78 | * XXX Convert the wide character string to multibyte, which\r | |
79 | * __vfwscanf() will convert back to wide characters.\r | |
80 | */\r | |
81 | if ((mbstr = malloc(wcslen(str) * MB_CUR_MAX + 1)) == NULL)\r | |
82 | return (EOF);\r | |
83 | mbs = initial;\r | |
84 | if ((mlen = wcsrtombs(mbstr, &rstr, SIZE_T_MAX, &mbs)) == (size_t)-1) {\r | |
85 | free(mbstr);\r | |
86 | return (EOF);\r | |
87 | }\r | |
88 | _FILEEXT_SETUP(&f, &fext);\r | |
89 | f._file = -1;\r | |
90 | f._flags = __SRD;\r | |
91 | f._bf._base = f._p = (unsigned char *)mbstr;\r | |
92 | f._bf._size = f._r = (int)mlen;\r | |
93 | f._read = eofread;\r | |
94 | _UB(&f)._base = NULL;\r | |
95 | f._lb._base = NULL;\r | |
96 | r = __vfwscanf_unlocked(&f, fmt, ap);\r | |
97 | free(mbstr);\r | |
98 | \r | |
99 | return (r);\r | |
100 | }\r |