Added more memory diagnostics (when NMEM_DEBUG is 1).

[yaz-moved-to-github.git] / include / nmem.h

diff --git a/include/nmem.h b/include/nmem.h
index 227d99f..6ae6ee4 100644 (file)
--- a/include/nmem.h
+++ b/include/nmem.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, Index Data.
+ * Copyright (c) 1995-1998, Index Data.
  *
  * Permission to use, copy, modify, distribute, and sell this software and
  * its documentation, in whole or in part, for any purpose, is hereby granted,
@@ -23,18 +23,73 @@
  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  * OF THIS SOFTWARE.
  *
- * $log$
+ * $Log: nmem.h,v $
+ * Revision 1.8  1998-07-20 12:35:59  adam
+ * Added more memory diagnostics (when NMEM_DEBUG is 1).
+ *
+ * Revision 1.7  1997/10/31 12:20:08  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.
+ *
  */
 
 #ifndef NMEM_H
 #define NMEM_H
+#include <yconfig.h>
+
+#define NMEM_DEBUG 0
+
+#ifndef NMEM_DEBUG
+#define NMEM_DEBUG 0
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct nmem_block
+{
+    char *buf;              /* memory allocated in this block */
+    int size;               /* size of buf */
+    int top;                /* top of buffer */
+    struct nmem_block *next;
+} nmem_block;
+
+typedef struct nmem_control
+{
+    int total;
+    nmem_block *blocks;
+    struct nmem_control *next;
+} nmem_control;
 
 typedef struct nmem_control *NMEM;
 
-void nmem_reset(NMEM n);
-void *nmem_malloc(NMEM n, int size);
-int nmem_total(NMEM n);
-NMEM nmem_create(void);
-void nmem_destroy(NMEM n);
+YAZ_EXPORT void nmem_reset(NMEM n);
+YAZ_EXPORT int nmem_total(NMEM n);
+YAZ_EXPORT char *nmem_strdup (NMEM mem, const char *src);
+
+#if NMEM_DEBUG
+
+YAZ_EXPORT NMEM nmem_create_f(const char *file, int line);
+YAZ_EXPORT void nmem_destroy_f(const char *file, int line, NMEM n);
+YAZ_EXPORT void *nmem_malloc_f(const char *file, int line, NMEM n, int size);
+#define nmem_create() nmem_create_f(__FILE__, __LINE__)
+#define nmem_destroy(x) nmem_destroy_f(__FILE__, __LINE__, (x))
+#define nmem_malloc(x, y) nmem_malloc_f(__FILE__, __LINE__, (x), (y))
+
+#else
+
+YAZ_EXPORT NMEM nmem_create(void);
+YAZ_EXPORT void nmem_destroy(NMEM n);
+YAZ_EXPORT void *nmem_malloc(NMEM n, int size);
+
+#endif
+
+YAZ_EXPORT void nmem_init (void);
+YAZ_EXPORT void nmem_exit (void);
+#ifdef __cplusplus
+}
+#endif
 
 #endif