0aadc82afb
components: apr-1.4.6 -> 1.4.8 and apr-util-1.4.1 -> 1.5.2. This is a post point-zero bug-fix / fix-sharp-edges release, including some workarounds for UTF-8 for people who haven't yet turned on WITH_ICONV.
244 lines
7.1 KiB
C
244 lines
7.1 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The ASF licenses this file to You 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.
|
|
*/
|
|
|
|
#ifndef APR_GENERAL_H
|
|
#define APR_GENERAL_H
|
|
|
|
/**
|
|
* @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
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
/**
|
|
* @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.
|
|
* @{
|
|
*/
|
|
|
|
/** FALSE */
|
|
#ifndef FALSE
|
|
#define FALSE 0
|
|
#endif
|
|
/** TRUE */
|
|
#ifndef TRUE
|
|
#define TRUE (!FALSE)
|
|
#endif
|
|
|
|
/** a space */
|
|
#define APR_ASCII_BLANK '\040'
|
|
/** a carrige return */
|
|
#define APR_ASCII_CR '\015'
|
|
/** a line feed */
|
|
#define APR_ASCII_LF '\012'
|
|
/** a tab */
|
|
#define APR_ASCII_TAB '\011'
|
|
|
|
/** signal numbers typedef */
|
|
typedef int apr_signum_t;
|
|
|
|
/**
|
|
* 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) || defined(__FreeBSD__)))
|
|
#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
|
|
|
|
#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
|
|
*/
|
|
|
|
/* APR_STRINGIFY is defined here, and also in apr_release.h, so wrap it */
|
|
#ifndef APR_STRINGIFY
|
|
/** 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
|
|
#endif
|
|
|
|
#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. It is safe to call apr_initialize several
|
|
* times as long as apr_terminate is called the same number of times.
|
|
* @remark See apr_app_initialize if this is an application, rather than
|
|
* a library consumer of apr.
|
|
*/
|
|
APR_DECLARE(apr_status_t) apr_initialize(void);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
APR_DECLARE(apr_status_t) apr_app_initialize(int *argc,
|
|
char const * const * *argv,
|
|
char const * const * *env);
|
|
|
|
/**
|
|
* Tear down any APR internal data structures which aren't torn down
|
|
* automatically. apr_terminate must be called once for every call to
|
|
* apr_initialize() or apr_app_initialize().
|
|
* @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.
|
|
*/
|
|
APR_DECLARE_NONSTD(void) apr_terminate(void);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
APR_DECLARE(void) apr_terminate2(void);
|
|
|
|
/** @} */
|
|
|
|
/**
|
|
* @defgroup apr_random Random Functions
|
|
* @{
|
|
*/
|
|
|
|
#if APR_HAS_RANDOM || 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
|
|
*/
|
|
APR_DECLARE(apr_status_t) apr_generate_random_bytes(unsigned char * buf,
|
|
apr_size_t length);
|
|
|
|
#endif
|
|
/** @} */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ! APR_GENERAL_H */
|