Kannel: Open Source WAP and SMS gateway  $Revision: 5037 $
protected.h
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1 /* ====================================================================
2  * The Kannel Software License, Version 1.0
3  *
4  * Copyright (c) 2001-2016 Kannel Group
5  * Copyright (c) 1998-2001 WapIT Ltd.
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9  * modification, are permitted provided that the following conditions
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13  * 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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21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Kannel Group (http://www.kannel.org/)."
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25  * if and wherever such third-party acknowledgments normally appear.
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49  * This software consists of voluntary contributions made by many
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52  *
53  * Portions of this software are based upon software originally written at
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55  */
56 
57 /*
58  * protected.h - thread-safe versions of standard library functions
59  *
60  * The standard (or commonly available) C library functions are not always
61  * thread-safe, or re-entrant. This module provides wrappers. The wrappers
62  * are not always the most efficient, but the interface is meant to
63  * allow a more efficient version be implemented later.
64  *
65  * Lars Wirzenius
66  */
67 
68 #ifndef PROTECTED_H
69 #define PROTECTED_H
70 
71 #include <netdb.h>
72 #include <time.h>
73 
74 void gwlib_protected_init(void);
75 void gwlib_protected_shutdown(void);
76 struct tm gw_localtime(time_t t);
77 struct tm gw_gmtime(time_t t);
78 time_t gw_mktime(struct tm *tm);
79 int gw_rand(void);
80 int gw_gethostbyname(struct hostent *ret, const char *name, char **buff);
81 size_t gw_strftime(char *s, size_t max, const char *format, const struct tm *tm);
82 
83 /*
84  * Make it harder to use these by mistake.
85  */
86 
87 #undef localtime
88 #define localtime(t) do_not_use_localtime_directly
89 
90 #undef gmtime
91 #define gmtime(t) do_not_use_gmtime_directly
92 
93 #undef mktime
94 #define mktime(t) do_not_use_mktime_directly
95 
96 #undef strftime
97 #define strftime(a, b, c, d) do_not_use_strftime_directly
98 
99 #undef rand
100 #define rand() do_not_use_rand_directly
101 
102 #undef gethostbyname
103 #define gethostbyname(a, b, c) do_not_use_gethostbyname_directly
104 
105 #undef inet_ntoa
106 #define inet_ntoa(in) use_gw_netaddr_to_octstr_instead_of_inet_ntoa
107 
108 
109 #endif
int gw_gethostbyname(struct hostent *ret, const char *name, char **buff)
Definition: protected.c:248
void gwlib_protected_shutdown(void)
Definition: protected.c:112
time_t gw_mktime(struct tm *tm)
Definition: protected.c:153
size_t gw_strftime(char *s, size_t max, const char *format, const struct tm *tm)
Definition: protected.c:164
void gwlib_protected_init(void)
Definition: protected.c:103
char * name
Definition: smsc_cimd2.c:212
int gw_rand(void)
Definition: protected.c:174
struct tm gw_localtime(time_t t)
Definition: protected.c:121
struct tm gw_gmtime(time_t t)
Definition: protected.c:137
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