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apr_general.h

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00001 /* ====================================================================
00002  * The Apache Software License, Version 1.1
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00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
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00010  *
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00012  *    notice, this list of conditions and the following disclaimer.
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00019  * 3. The end-user documentation included with the redistribution,
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00054 
00055 #ifndef APR_GENERAL_H
00056 #define APR_GENERAL_H
00057 
00066 #include "apr.h"
00067 #include "apr_pools.h"
00068 #include "apr_errno.h"
00069 
00070 #if APR_HAVE_SIGNAL_H
00071 #include <signal.h>
00072 #endif
00073 
00074 #ifdef __cplusplus
00075 extern "C" {
00076 #endif /* __cplusplus */
00077 
00088 #ifndef FALSE
00089 #define FALSE 0
00090 #endif
00091 
00092 #ifndef TRUE
00093 #define TRUE (!FALSE)
00094 #endif
00095 
00097 #define APR_ASCII_BLANK  '\040'
00098 
00099 #define APR_ASCII_CR     '\015'
00100 
00101 #define APR_ASCII_LF     '\012'
00102 
00103 #define APR_ASCII_TAB    '\011'
00104 
00106 typedef int               apr_signum_t;
00107 
00117 #if defined(CRAY) || (defined(__arm) && !defined(LINUX))
00118 #ifdef __STDC__
00119 #define APR_OFFSET(p_type,field) _Offsetof(p_type,field)
00120 #else
00121 #ifdef CRAY2
00122 #define APR_OFFSET(p_type,field) \
00123         (sizeof(int)*((unsigned int)&(((p_type)NULL)->field)))
00124 
00125 #else /* !CRAY2 */
00126 
00127 #define APR_OFFSET(p_type,field) ((unsigned int)&(((p_type)NULL)->field))
00128 
00129 #endif /* !CRAY2 */
00130 #endif /* __STDC__ */
00131 #else /* ! (CRAY || __arm) */
00132 
00133 #define APR_OFFSET(p_type,field) \
00134         ((long) (((char *) (&(((p_type)NULL)->field))) - ((char *) NULL)))
00135 
00136 #endif /* !CRAY */
00137 
00144 #if defined(offsetof) && !defined(__cplusplus)
00145 #define APR_OFFSETOF(s_type,field) offsetof(s_type,field)
00146 #else
00147 #define APR_OFFSETOF(s_type,field) APR_OFFSET(s_type*,field)
00148 #endif
00149 
00151 #define APR_XtOffset APR_OFFSET
00152 
00154 #define APR_XtOffsetOf APR_OFFSETOF
00155 
00156 #ifndef DOXYGEN
00157 
00158 /* A couple of prototypes for functions in case some platform doesn't 
00159  * have it
00160  */
00161 #if (!APR_HAVE_STRCASECMP) && (APR_HAVE_STRICMP) 
00162 #define strcasecmp(s1, s2) stricmp(s1, s2)
00163 #elif (!APR_HAVE_STRCASECMP)
00164 int strcasecmp(const char *a, const char *b);
00165 #endif
00166 
00167 #if (!APR_HAVE_STRNCASECMP) && (APR_HAVE_STRNICMP)
00168 #define strncasecmp(s1, s2, n) strnicmp(s1, s2, n)
00169 #elif (!APR_HAVE_STRNCASECMP)
00170 int strncasecmp(const char *a, const char *b, size_t n);
00171 #endif
00172 
00173 #endif
00174 
00179 /* APR_ALIGN() is only to be used to align on a power of 2 boundary */
00180 #define APR_ALIGN(size, boundary) \
00181     (((size) + ((boundary) - 1)) & ~((boundary) - 1))
00182 
00184 #define APR_ALIGN_DEFAULT(size) APR_ALIGN(size, 8)
00185 
00186 
00192 #define APR_STRINGIFY(n) APR_STRINGIFY_HELPER(n)
00193 
00194 #define APR_STRINGIFY_HELPER(n) #n
00195 
00196 #if (!APR_HAVE_MEMMOVE)
00197 #define memmove(a,b,c) bcopy(b,a,c)
00198 #endif
00199 
00200 #if (!APR_HAVE_MEMCHR)
00201 void *memchr(const void *s, int c, size_t n);
00202 #endif
00203 
00217 APR_DECLARE(apr_status_t) apr_initialize(void);
00218 
00231 APR_DECLARE(apr_status_t) apr_app_initialize(int *argc, 
00232                                              char const * const * *argv, 
00233                                              char const * const * *env);
00234 
00244 APR_DECLARE_NONSTD(void) apr_terminate(void);
00245 
00255 APR_DECLARE(void) apr_terminate2(void);
00256 
00264 #if APR_HAS_RANDOM || defined(DOXYGEN)
00265 
00266 /* TODO: I'm not sure this is the best place to put this prototype...*/
00272 #ifdef APR_ENABLE_FOR_1_0
00273 APR_DECLARE(apr_status_t) apr_generate_random_bytes(unsigned char * buf, 
00274                                                     apr_size_t length);
00275 #else
00276 APR_DECLARE(apr_status_t) apr_generate_random_bytes(unsigned char * buf, 
00277                                                     int length);
00278 #endif
00279 
00280 #endif
00283 #ifdef __cplusplus
00284 }
00285 #endif
00286 
00287 #endif  /* ! APR_GENERAL_H */

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