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Annotation of sql/pgsql/libltdl/ltdl.h, revision 1.1.1.1

1.1       parser      1: /* ltdl.h -- generic dlopen functions
                      2:    Copyright (C) 1998-1999 Free Software Foundation, Inc.
                      3:    Originally by Thomas Tanner <tanner@ffii.org>
                      4:    This file is part of GNU Libtool.
                      5: 
                      6: This library is free software; you can redistribute it and/or
                      7: modify it under the terms of the GNU Library General Public
                      8: License as published by the Free Software Foundation; either
                      9: version 2 of the License, or (at your option) any later version.
                     10: 
                     11: As a special exception to the GNU Library General Public License,
                     12: if you distribute this file as part of a program that uses GNU libtool
                     13: to create libraries and programs, you may include it under the same
                     14: distribution terms that you use for the rest of that program.
                     15: 
                     16: This library is distributed in the hope that it will be useful,
                     17: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     19: Library General Public License for more details.
                     20: 
                     21: You should have received a copy of the GNU Library General Public
                     22: License along with this library; if not, write to the Free
                     23: Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
                     24: 02111-1307  USA
                     25: */
                     26: 
                     27: /* Only include this header file once. */
                     28: #ifndef _LTDL_H_
                     29: #define _LTDL_H_ 1
                     30: 
                     31: /* __BEGIN_DECLS should be used at the beginning of your declarations,
                     32:    so that C++ compilers don't mangle their names.  Use __END_DECLS at
                     33:    the end of C declarations. */
                     34: #undef __BEGIN_DECLS
                     35: #undef __END_DECLS
                     36: #ifdef __cplusplus
                     37: # define __BEGIN_DECLS extern "C" {
                     38: # define __END_DECLS }
                     39: #else
                     40: # define __BEGIN_DECLS /* empty */
                     41: # define __END_DECLS /* empty */
                     42: #endif
                     43: 
                     44: /* LTDL_PARAMS is a macro used to wrap function prototypes, so that compilers
                     45:    that don't understand ANSI C prototypes still work, and ANSI C
                     46:    compilers can issue warnings about type mismatches. */
                     47: #undef LTDL_PARAMS
                     48: #undef lt_ptr_t
                     49: #if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(WIN32) || defined(__cplusplus)
                     50: # define LTDL_PARAMS(protos)   protos
                     51: # define lt_ptr_t      void*
                     52: #else
                     53: # define LTDL_PARAMS(protos)   ()
                     54: # ifdef _MSC_VER
                     55: #  define lt_ptr_t     void*
                     56: # else
                     57: #  define lt_ptr_t     char*
                     58: # endif
                     59: #endif
                     60: 
                     61: #include <stdlib.h>
                     62: 
                     63: #ifdef _LTDL_COMPILE_
                     64: typedef        struct lt_dlhandle_t *lt_dlhandle;
                     65: #else
                     66: typedef        lt_ptr_t lt_dlhandle;
                     67: #endif
                     68: 
                     69: typedef struct {
                     70:        const char *name;
                     71:        lt_ptr_t address;
                     72: } lt_dlsymlist;
                     73: 
                     74: __BEGIN_DECLS
                     75: extern int lt_dlinit LTDL_PARAMS((void));
                     76: extern int lt_dlpreload LTDL_PARAMS((const lt_dlsymlist *preloaded));
                     77: extern int lt_dlpreload_default LTDL_PARAMS((const lt_dlsymlist *preloaded));
                     78: extern int lt_dlexit LTDL_PARAMS((void));
                     79: extern lt_dlhandle lt_dlopen LTDL_PARAMS((const char *filename));
                     80: extern lt_dlhandle lt_dlopenext LTDL_PARAMS((const char *filename));
                     81: extern int lt_dlclose LTDL_PARAMS((lt_dlhandle handle));
                     82: extern lt_ptr_t lt_dlsym LTDL_PARAMS((lt_dlhandle handle, const char *name));
                     83: extern const char *lt_dlerror LTDL_PARAMS((void));
                     84: extern int lt_dladdsearchdir LTDL_PARAMS((const char *search_dir));
                     85: extern int lt_dlsetsearchpath LTDL_PARAMS((const char *search_path));
                     86: extern const char *lt_dlgetsearchpath LTDL_PARAMS((void));
                     87: 
                     88: extern const lt_dlsymlist lt_preloaded_symbols[];
                     89: #define LTDL_SET_PRELOADED_SYMBOLS() lt_dlpreload_default(lt_preloaded_symbols)
                     90: 
                     91: extern lt_ptr_t (*lt_dlmalloc)LTDL_PARAMS((size_t size));
                     92: extern void (*lt_dlfree)LTDL_PARAMS((lt_ptr_t ptr));
                     93: 
                     94: __END_DECLS
                     95: 
                     96: #endif /* !_LTDL_H_ */