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{ Copyright 2000-2005 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
}
{
* @file apr_general.h
* This is collection of oddballs that didn't fit anywhere else,
* and might move to more appropriate headers with the release
* of APR 1.0.
* @brief APR Miscellaneous library routines
}
{#include "apr.h"
#include "apr_pools.h"
#include "apr_errno.h"
#if APR_HAVE_SIGNAL_H
#include <signal.h>
#endif}
{
* @defgroup apr_general Miscellaneous library routines
* @ingroup APR
* This is collection of oddballs that didn't fit anywhere else,
* and might move to more appropriate headers with the release
* of APR 1.0.
}
const
{ a space }
APR_ASCII_BLANK = #040;
{ a carrige return }
APR_ASCII_CR = #015;
{ a line feed }
APR_ASCII_LF = #012;
{ a tab }
APR_ASCII_TAB = #011;
{ signal numbers typedef }
type
apr_signum_t = Integer;
{
* Finding offsets of elements within structures.
* Taken from the X code... they've sweated portability of this stuff
* so we don't have to. Sigh...
* @param p_type pointer type name
* @param field data field within the structure pointed to
* @return offset
}
{#if defined(CRAY) || (defined(__arm) && !defined(LINUX))
#ifdef __STDC__
#define APR_OFFSET(p_type,field) _Offsetof(p_type,field)
#else
#ifdef CRAY2
#define APR_OFFSET(p_type,field) \
(sizeof(int)*((unsigned int)&(((p_type)NULL)->field)))
#else} { !CRAY2 }
{#define APR_OFFSET(p_type,field) ((unsigned int)&(((p_type)NULL)->field))
#endif} { !CRAY2 }
//#endif { __STDC__ }
//#else { ! (CRAY || __arm) }
//#define APR_OFFSET(p_type,field) \
// ((long) (((char *) (&(((p_type)NULL)->field))) - ((char *) NULL)))
//#endif { !CRAY }
{
* Finding offsets of elements within structures.
* @param s_type structure type name
* @param field data field within the structure
* @return offset
}
{#if defined(offsetof) && !defined(__cplusplus)
#define APR_OFFSETOF(s_type,field) offsetof(s_type,field)
#else
#define APR_OFFSETOF(s_type,field) APR_OFFSET(s_type*,field)
#endif}
{ @deprecated @see APR_OFFSET }
//#define APR_XtOffset APR_OFFSET
{ @deprecated @see APR_OFFSETOF }
//#define APR_XtOffsetOf APR_OFFSETOF
{$ifndef DOXYGEN}
{ A couple of prototypes for functions in case some platform doesn't
* have it
}
{#if (!APR_HAVE_STRCASECMP) && (APR_HAVE_STRICMP)
#define strcasecmp(s1, s2) stricmp(s1, s2)
#elif (!APR_HAVE_STRCASECMP)
int strcasecmp(const char *a, const char *b);
#endif
#if (!APR_HAVE_STRNCASECMP) && (APR_HAVE_STRNICMP)
#define strncasecmp(s1, s2, n) strnicmp(s1, s2, n)
#elif (!APR_HAVE_STRNCASECMP)
int strncasecmp(const char *a, const char *b, size_t n);
#endif}
{$endif}
{
* Alignment macros
}
{ APR_ALIGN() is only to be used to align on a power of 2 boundary }
{#define APR_ALIGN(size, boundary) \
(((size) + ((boundary) - 1)) & ~((boundary) - 1))}
{ Default alignment }
//#define APR_ALIGN_DEFAULT(size) APR_ALIGN(size, 8)
{
* String and memory functions
}
{ Properly quote a value as a string in the C preprocessor }
//#define APR_STRINGIFY(n) APR_STRINGIFY_HELPER(n)
{ Helper macro for APR_STRINGIFY }
{#define APR_STRINGIFY_HELPER(n) #n
#if (!APR_HAVE_MEMMOVE)
#define memmove(a,b,c) bcopy(b,a,c)
#endif
#if (!APR_HAVE_MEMCHR)
void *memchr(const void *s, int c, size_t n);
#endif}
{
* @defgroup apr_library Library initialization and termination
}
{
* Setup any APR internal data structures. This MUST be the first function
* called for any APR library.
* @remark See apr_app_initialize if this is an application, rather than
* a library consumer of apr.
}
function apr_initialize: apr_status_t;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_initialize' + LibSuff0;
{
* Set up an application with normalized argc, argv (and optionally env) in
* order to deal with platform-specific oddities, such as Win32 services,
* code pages and signals. This must be the first function called for any
* APR program.
* @param argc Pointer to the argc that may be corrected
* @param argv Pointer to the argv that may be corrected
* @param env Pointer to the env that may be corrected, may be NULL
* @remark See apr_initialize if this is a library consumer of apr.
* Otherwise, this call is identical to apr_initialize, and must be closed
* with a call to apr_terminate at the end of program execution.
}
function apr_app_initialize(argc: PInteger; argv, env: PPChar): apr_status_t;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_app_initialize' + LibSuff12;
{
* Tear down any APR internal data structures which aren't torn down
* automatically.
* @remark An APR program must call this function at termination once it
* has stopped using APR services. The APR developers suggest using
* atexit to ensure this is called. When using APR from a language
* other than C that has problems with the calling convention, use
* apr_terminate2() instead.
}
procedure apr_terminate;
cdecl; external LibAPR name 'apr_terminate';
{
* Tear down any APR internal data structures which aren't torn down
* automatically, same as apr_terminate
* @remark An APR program must call either the apr_terminate or apr_terminate2
* function once it it has finished using APR services. The APR
* developers suggest using atexit(apr_terminate) to ensure this is done.
* apr_terminate2 exists to allow non-c language apps to tear down apr,
* while apr_terminate is recommended from c language applications.
}
procedure apr_terminate2;
cdecl; external LibAPR name LibNamePrefix + 'apr_terminate2' + LibSuff0;
{
* @defgroup apr_random Random Functions
}
{$if defined(APR_HAS_RANDOM) or defined(DOXYGEN)}
{ TODO: I'm not sure this is the best place to put this prototype...}
{
* Generate random bytes.
* @param buf Buffer to fill with random bytes
* @param length Length of buffer in bytes (becomes apr_size_t in APR 1.0)
}
{$ifdef APR_ENABLE_FOR_1_0}
function apr_generate_random_bytes(buf: PChar; length: apr_size_t): apr_status_t;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_generate_random_bytes' + LibSuff8;
{$else}
function apr_generate_random_bytes(buf: PChar; length: Integer): apr_status_t;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
external LibAPR name LibNamePrefix + 'apr_generate_random_bytes' + LibSuff8;
{$endif}
{$endif}
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