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import cffi, os, sys
ffi = cffi.FFI()
ffi.cdef('''
#define GDBM_READER ...
#define GDBM_WRITER ...
#define GDBM_WRCREAT ...
#define GDBM_NEWDB ...
#define GDBM_FAST ...
#define GDBM_SYNC ...
#define GDBM_NOLOCK ...
#define GDBM_REPLACE ...
#define GDBM_ITEM_NOT_FOUND ...
typedef struct gdbm_file_info *GDBM_FILE;
GDBM_FILE gdbm_open(const char *, int, int, int, void (*)(const char *));
typedef struct {
char *dptr;
int dsize;
} datum;
datum gdbm_fetch(GDBM_FILE, datum);
datum pygdbm_fetch(void*, char*, int);
int gdbm_delete(GDBM_FILE, datum);
int gdbm_store(GDBM_FILE, datum, datum, int);
int gdbm_exists(GDBM_FILE, datum);
int pygdbm_exists(GDBM_FILE, char*, int);
void pygdbm_close(GDBM_FILE);
int gdbm_reorganize(GDBM_FILE);
datum gdbm_firstkey(GDBM_FILE);
datum gdbm_nextkey(GDBM_FILE, datum);
void gdbm_sync(GDBM_FILE);
const char *gdbm_strerror(int);
int gdbm_errno;
/* Needed to release returned values */
void free(void*);
''')
kwds = {}
if sys.platform.startswith('freebsd'):
_localbase = os.environ.get('LOCALBASE', '/usr/local')
kwds['include_dirs'] = [os.path.join(_localbase, 'include')]
kwds['library_dirs'] = [os.path.join(_localbase, 'lib')]
ffi.set_source("_gdbm_cffi", '''
#include <stdlib.h>
#include "gdbm.h"
static datum pygdbm_fetch(GDBM_FILE gdbm_file, char *dptr, int dsize) {
datum key = {dptr, dsize};
return gdbm_fetch(gdbm_file, key);
}
static int pygdbm_exists(GDBM_FILE gdbm_file, char *dptr, int dsize) {
datum key = {dptr, dsize};
return gdbm_exists(gdbm_file, key);
}
static void pygdbm_close(GDBM_FILE gdbm_file) {
/*
* In verison 17, void gdbm_close() became int gdbm_close()
* Work around that by wrapping the function
*/
gdbm_close(gdbm_file);
}
''', libraries=['gdbm'], **kwds)
if __name__ == '__main__':
ffi.compile()
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