/*
- * Copyright (c) 1995-2001, Index Data.
+ * Copyright (c) 1995-2003, Index Data.
* See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: nmem.c,v $
- * Revision 1.33 2001-11-15 21:44:48 adam
- * Removed log ..
- *
- * Revision 1.32 2001/11/13 23:00:43 adam
- * Separate malloc debug library. Removal of ASN_COMPILED-#ifdefs.
- *
- * Revision 1.31 2001/10/24 12:24:43 adam
- * WIN32 updates: ZOOM runs, nmem_init/nmem_exit called in DllMain.
- *
- * Revision 1.30 2001/10/05 13:55:17 adam
- * Added defines YAZ_GNU_THREADS, YAZ_POSIX_THREADS in code and yaz-config
- *
- * Revision 1.29 2001/10/04 00:37:58 adam
- * Fixes for GNU threads (not working yet).
- *
- * Revision 1.28 2001/10/03 23:55:18 adam
- * GNU threads support.
- *
- * Revision 1.27 2001/09/27 12:09:18 adam
- * Function nmem_exit calls oid_exit (when reference is 0).
- *
- * Revision 1.26 2001/07/19 19:51:42 adam
- * Added typecasts to make C++ happy.
- *
- * Revision 1.25 2001/06/26 14:11:27 adam
- * Added MUTEX functions for NMEM module (used by OID utility).
- *
- * Revision 1.24 2000/05/11 14:37:55 adam
- * Minor changes.
- *
- * Revision 1.23 2000/05/09 10:55:05 adam
- * Public nmem_print_list (for debugging).
- *
- * Revision 1.22 2000/05/03 22:00:00 adam
- * Reference counter (if multiple modules are init/freeing nmem).
- *
- * Revision 1.21 2000/02/29 13:44:55 adam
- * Check for config.h (currently not generated).
- *
- * Revision 1.20 2000/01/06 14:59:13 adam
- * Added oid_init/oid_exit. Changed oid_exit.
- *
- * Revision 1.19 1999/11/30 13:47:12 adam
- * Improved installation. Moved header files to include/yaz.
- *
- * Revision 1.18 1999/08/27 09:40:32 adam
- * Renamed logf function to yaz_log. Removed VC++ project files.
- *
- * Revision 1.17 1999/07/13 13:28:25 adam
- * Better debugging for NMEM routines.
- *
- * Revision 1.16 1999/03/31 11:18:25 adam
- * Implemented odr_strdup. Added Reference ID to backend server API.
- *
- * Revision 1.15 1999/02/11 09:10:26 adam
- * Function nmem_init only mandatory on Windows.
- *
- * Revision 1.14 1999/02/02 13:57:40 adam
- * Uses preprocessor define WIN32 instead of WINDOWS to build code
- * for Microsoft WIN32.
- *
- * Revision 1.13 1998/10/19 15:24:21 adam
- * New nmem utility, nmem_transfer, that transfer blocks from one
- * NMEM to another.
- *
- * Revision 1.12 1998/10/13 16:00:18 adam
- * Implemented nmem_critical_{enter,leave}.
- *
- * Revision 1.11 1998/08/21 14:13:36 adam
- * Added GNU Configure script to build Makefiles.
- *
- * Revision 1.10 1998/07/20 12:35:57 adam
- * Added more memory diagnostics (when NMEM_DEBUG is 1).
- *
- * Revision 1.9 1998/07/07 15:49:01 adam
- * Reduced chunk size.
- *
- * Revision 1.8 1998/07/03 14:21:27 adam
- * Added critical sections for pthreads-library. Thanks to Ian Ibbotson,
- * Fretwell Downing Informatics.
- *
- * Revision 1.7 1998/02/11 11:53:36 adam
- * Changed code so that it compiles as C++.
- *
- * Revision 1.6 1997/10/31 12:20:09 adam
- * Improved memory debugging for xmalloc/nmem.c. References to NMEM
- * instead of ODR in n ESPEC-1 handling in source d1_espec.c.
- * Bug fix: missing fclose in data1_read_espec1.
- *
- * Revision 1.5 1997/10/06 09:09:52 adam
- * Function mmem_exit releases memory used by the freelists.
- *
- * Revision 1.4 1997/09/29 07:12:50 adam
- * NMEM thread safe. NMEM must be initialized before use (sigh) -
- * routine nmem_init/nmem_exit implemented.
- *
- * Revision 1.3 1997/07/21 12:47:38 adam
- * Moved definition of nmem_control and nmem_block.
- *
- * Revision 1.2 1995/12/13 13:44:37 quinn
- * Modified Data1-system to use nmem
- *
- * Revision 1.1 1995/11/13 09:27:52 quinn
- * Fiddling with the variant stuff.
- *
- *
+ * $Id: nmem.c,v 1.39 2003-01-06 08:20:28 adam Exp $
*/
/*
#include <assert.h>
#include <string.h>
+#include <errno.h>
#include <yaz/xmalloc.h>
#include <yaz/nmem.h>
#include <yaz/log.h>
static nmem_block *freelist = NULL; /* "global" freelists */
static nmem_control *cfreelist = NULL;
static int nmem_active_no = 0;
-#ifdef WIN32
static int nmem_init_flag = 0;
-#else
-static int nmem_init_flag = 1;
-#endif
#if NMEM_DEBUG
struct nmem_debug_info {
#endif
if (!n)
{
+ yaz_log (LOG_FATAL, "calling nmem_malloc with an null pointer");
abort ();
- return xmalloc(size);
}
#ifdef WIN32
assert (nmem_init_flag);
return TRUE;
}
#endif
+
+int yaz_errno(void)
+{
+ return errno;
+}
+
+void yaz_set_errno(int v)
+{
+ errno = v;
+}
+
+void yaz_strerror(char *buf, int max)
+{
+ char *cp;
+#ifdef WIN32
+ DWORD err = GetLastError();
+ if (err)
+ {
+ FormatMessage(
+ FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ err,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+ (LPTSTR) buf,
+ max-1,
+ NULL);
+ }
+ else
+ *buf = '\0';
+#else
+#if HAVE_STRERROR_R
+ strerror_r(errno, buf, max);
+#else
+ strcpy(buf, strerror(yaz_errno()));
+#endif
+#endif
+ if ((cp=strrchr(buf, '\n')))
+ *cp = '\0';
+ if ((cp=strrchr(buf, '\r')))
+ *cp = '\0';
+}
projects / yaz-moved-to-github.git / blobdiff