1 | /* $NetBSD: stdio.h,v 1.5 2011/07/17 20:54:34 joerg Exp $ */ |
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2 | |
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3 | /*- |
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4 | * Copyright (c) 2006 The NetBSD Foundation, Inc. |
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5 | * All rights reserved. |
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6 | * |
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7 | * This code is derived from software contributed to The NetBSD Foundation |
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8 | * by Christos Zoulas. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
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20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
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23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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29 | * POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
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31 | #ifndef _SSP_STDIO_H_ |
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32 | #define _SSP_STDIO_H_ |
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33 | |
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34 | #include <ssp/ssp.h> |
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35 | |
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36 | __BEGIN_DECLS |
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37 | int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...) |
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38 | __printflike(4, 5); |
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39 | int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict, |
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40 | __va_list) |
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41 | __printflike(4, 0); |
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42 | int __snprintf_chk(char *__restrict, size_t, int, size_t, |
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43 | const char *__restrict, ...) |
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44 | __printflike(5, 6); |
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45 | int __vsnprintf_chk(char *__restrict, size_t, int, size_t, |
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46 | const char *__restrict, __va_list) |
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47 | __printflike(5, 0); |
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48 | char *__gets_chk(char *, size_t); |
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49 | __END_DECLS |
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50 | |
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51 | #if __SSP_FORTIFY_LEVEL > 0 |
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52 | |
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53 | |
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54 | #define sprintf(str, ...) \ |
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55 | __builtin___sprintf_chk(str, 0, __ssp_bos(str), __VA_ARGS__) |
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56 | |
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57 | #define vsprintf(str, fmt, ap) \ |
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58 | __builtin___vsprintf_chk(str, 0, __ssp_bos(str), fmt, ap) |
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59 | |
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60 | #define snprintf(str, len, ...) \ |
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61 | __builtin___snprintf_chk(str, len, 0, __ssp_bos(str), __VA_ARGS__) |
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62 | |
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63 | #define vsnprintf(str, len, fmt, ap) \ |
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64 | __builtin___vsnprintf_chk(str, len, 0, __ssp_bos(str), fmt, ap) |
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65 | |
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66 | #define gets(str) \ |
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67 | __gets_chk(str, __ssp_bos(str)) |
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68 | |
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69 | __ssp_decl(char *, fgets, (char *__restrict __buf, int __len, FILE *__fp)) |
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70 | { |
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71 | if (__len > 0) |
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72 | __ssp_check(__buf, (size_t)__len, __ssp_bos); |
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73 | return __ssp_real_fgets(__buf, __len, __fp); |
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74 | } |
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75 | |
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76 | #if __GNU_VISIBLE |
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77 | __ssp_decl(char *, fgets_unlocked, (char *__restrict __buf, int __len, FILE *__fp)) |
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78 | { |
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79 | if (__len > 0) |
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80 | __ssp_check(__buf, (size_t)__len, __ssp_bos); |
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81 | return __ssp_real_fgets_unlocked(__buf, __len, __fp); |
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82 | } |
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83 | #endif /* __GNU_VISIBLE */ |
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84 | |
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85 | __ssp_decl(size_t, fread, (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __fp)) |
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86 | { |
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87 | __ssp_check(__ptr, __size * __n, __ssp_bos0); |
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88 | return __ssp_real_fread(__ptr, __size, __n, __fp); |
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89 | } |
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90 | |
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91 | #if __MISC_VISIBLE |
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92 | __ssp_decl(size_t, fread_unlocked, (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __fp)) |
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93 | { |
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94 | __ssp_check(__ptr, __size * __n, __ssp_bos0); |
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95 | return __ssp_real_fread_unlocked(__ptr, __size, __n, __fp); |
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96 | } |
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97 | #endif /* __MISC_VISIBLE */ |
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98 | |
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99 | #endif /* __SSP_FORTIFY_LEVEL > 0 */ |
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100 | |
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101 | #endif /* _SSP_STDIO_H_ */ |
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