Revise API for H5get_alloc_stats() to take a struct instead of separate values.

4 files changed, 33 insertions, 61 deletions

diff --git a/src/H5.c b/src/H5.c
index bfb0f28..59882e3 100644
--- a/src/H5.c
+++ b/src/H5.c
@@ -611,13 +611,7 @@ done:
  *	filters or non-native VOL connectors.
  *
  * Parameters:
- *  unsigned long long *total_alloc_bytes; OUT: Running count of total # of bytes allocated
- *  size_t *curr_alloc_bytes;           OUT: Current # of bytes allocated
- *  size_t *peak_alloc_bytes;           OUT: Peak # of bytes allocated
- *  size_t *max_block_size;             OUT: Largest block allocated
- *  size_t *total_alloc_blocks_count;   OUT: Running count of total # of blocks allocated
- *  size_t *curr_alloc_blocks_count;    OUT: Current # of blocks allocated
- *  size_t *peak_alloc_blocks_count;    OUT: Peak # of blocks allocated
+ *  H5_alloc_stats_t *stats;            OUT: Memory allocation statistics
  *
  * Return:	Success:	non-negative
  *		Failure:	negative
@@ -628,21 +622,15 @@ done:
  *-------------------------------------------------------------------------
  */
 herr_t
-H5get_alloc_stats(unsigned long long *total_alloc_bytes, size_t *curr_alloc_bytes,
-    size_t *peak_alloc_bytes, size_t *max_block_size, size_t *total_alloc_blocks_count,
-    size_t *curr_alloc_blocks_count, size_t *peak_alloc_blocks_count)
+H5get_alloc_stats(H5_alloc_stats_t *stats)
 {
     herr_t ret_value = SUCCEED;         /* Return value */
 
     FUNC_ENTER_API(FAIL)
-    H5TRACE7("e", "*UL*z*z*z*z*z*z", total_alloc_bytes, curr_alloc_bytes,
-             peak_alloc_bytes, max_block_size, total_alloc_blocks_count,
-             curr_alloc_blocks_count, peak_alloc_blocks_count);
+    H5TRACE1("e", "*x", stats);
 
     /* Call the internal allocation stat routine to get the values */
-    if(H5MM_get_alloc_stats(total_alloc_bytes, curr_alloc_bytes, peak_alloc_bytes,
-            max_block_size, total_alloc_blocks_count, curr_alloc_blocks_count,
-            peak_alloc_blocks_count) < 0)
+    if(H5MM_get_alloc_stats(stats) < 0)
         HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get allocation stats")
 
 done:
diff --git a/src/H5MM.c b/src/H5MM.c
index 4fbecd4..0add640 100644
--- a/src/H5MM.c
+++ b/src/H5MM.c
@@ -635,13 +635,7 @@ H5MM_memcpy(void *dest, const void *src, size_t n)
  *	entire library.
  *
  * Parameters:
- *  unsigned long long *total_alloc_bytes; OUT: Running count of total # of bytes allocated
- *  size_t *curr_alloc_bytes;           OUT: Current # of bytes allocated
- *  size_t *peak_alloc_bytes;           OUT: Peak # of bytes allocated
- *  size_t *max_block_size;             OUT: Largest block allocated
- *  size_t *total_alloc_blocks_count;   OUT: Running count of total # of blocks allocated
- *  size_t *curr_alloc_blocks_count;    OUT: Current # of blocks allocated
- *  size_t *peak_alloc_blocks_count;    OUT: Peak # of blocks allocated
+ *  H5_alloc_stats_t *stats;            OUT: Memory allocation statistics
  *
  * Return:	Success:	non-negative
  *		Failure:	negative
@@ -652,44 +646,25 @@ H5MM_memcpy(void *dest, const void *src, size_t n)
  *-------------------------------------------------------------------------
  */
 herr_t
-H5MM_get_alloc_stats(unsigned long long *total_alloc_bytes, size_t *curr_alloc_bytes,
-    size_t *peak_alloc_bytes, size_t *max_block_size, size_t *total_alloc_blocks_count,
-    size_t *curr_alloc_blocks_count, size_t *peak_alloc_blocks_count)
+H5MM_get_alloc_stats(H5_alloc_stats_t *stats)
 {
     FUNC_ENTER_NOAPI_NOERR
 
 #if defined H5_MEMORY_ALLOC_SANITY_CHECK
-    if(total_alloc_bytes)
-        *total_alloc_bytes = H5MM_total_alloc_bytes_s;
-    if(curr_alloc_bytes)
-        *curr_alloc_bytes = H5MM_curr_alloc_bytes_s;
-    if(peak_alloc_bytes)
-        *peak_alloc_bytes = H5MM_peak_alloc_bytes_s;
-    if(max_block_size)
-        *max_block_size = H5MM_max_block_size_s;
-    if(total_alloc_blocks_count)
-        *total_alloc_blocks_count = H5MM_total_alloc_blocks_count_s;
-    if(curr_alloc_blocks_count)
-        *curr_alloc_blocks_count = H5MM_curr_alloc_blocks_count_s;
-    if(peak_alloc_blocks_count)
-        *peak_alloc_blocks_count = H5MM_peak_alloc_blocks_count_s;
+    if(stats) {
+        stats->total_alloc_bytes = H5MM_total_alloc_bytes_s;
+        stats->curr_alloc_bytes = H5MM_curr_alloc_bytes_s;
+        stats->peak_alloc_bytes = H5MM_peak_alloc_bytes_s;
+        stats->max_block_size = H5MM_max_block_size_s;
+        stats->total_alloc_blocks_count = H5MM_total_alloc_blocks_count_s;
+        stats->curr_alloc_blocks_count = H5MM_curr_alloc_blocks_count_s;
+        stats->peak_alloc_blocks_count = H5MM_peak_alloc_blocks_count_s;
+    } /* end if */
 #else /* H5_MEMORY_ALLOC_SANITY_CHECK */
-    if(total_alloc_bytes)
-        *total_alloc_bytes = 0;
-    if(curr_alloc_bytes)
-        *curr_alloc_bytes = 0;
-    if(peak_alloc_bytes)
-        *peak_alloc_bytes = 0;
-    if(max_block_size)
-        *max_block_size = 0;
-    if(total_alloc_blocks_count)
-        *total_alloc_blocks_count = 0;
-    if(curr_alloc_blocks_count)
-        *curr_alloc_blocks_count = 0;
-    if(peak_alloc_blocks_count)
-        *peak_alloc_blocks_count = 0;
+    if(stats)
+        HDmemset(stats, 0, sizeof(H5_alloc_stats_t));
 #endif /* H5_MEMORY_ALLOC_SANITY_CHECK */
 
     FUNC_LEAVE_NOAPI(SUCCEED)
-}   /* end H5get_alloc_stats() */
+}   /* end H5MM_get_alloc_stats() */
 
diff --git a/src/H5MMprivate.h b/src/H5MMprivate.h
index 3bf8c49..0787eb2 100644
--- a/src/H5MMprivate.h
+++ b/src/H5MMprivate.h
@@ -47,9 +47,7 @@ H5_DLL char *H5MM_strdup(const char *s);
 H5_DLL void *H5MM_xfree(void *mem);
 H5_DLL void *H5MM_xfree_const(const void *mem);
 H5_DLL void *H5MM_memcpy(void *dest, const void *src, size_t n);
-H5_DLL herr_t H5MM_get_alloc_stats(unsigned long long *total_alloc_bytes, size_t *curr_alloc_bytes,
-    size_t *peak_alloc_bytes, size_t *max_block_size, size_t *total_alloc_blocks_count,
-    size_t *curr_alloc_blocks_count, size_t *peak_alloc_blocks_count);
+H5_DLL herr_t H5MM_get_alloc_stats(H5_alloc_stats_t *stats);
 #if defined H5_MEMORY_ALLOC_SANITY_CHECK
 H5_DLL void H5MM_sanity_check_all(void);
 H5_DLL void H5MM_final_sanity_check(void);
diff --git a/src/H5public.h b/src/H5public.h
index 60bad93..f592ab9 100644
--- a/src/H5public.h
+++ b/src/H5public.h
@@ -378,6 +378,19 @@ typedef struct H5O_token_t {
     uint8_t __data[H5O_MAX_TOKEN_SIZE];
 } H5O_token_t;
 
+/*
+ * Allocation statistics info struct
+ */
+typedef struct H5_alloc_stats_t {
+    unsigned long long total_alloc_bytes; /* Running count of total # of bytes allocated */
+    size_t curr_alloc_bytes;           /* Current # of bytes allocated */
+    size_t peak_alloc_bytes;           /* Peak # of bytes allocated */
+    size_t max_block_size;             /* Largest block allocated */
+    size_t total_alloc_blocks_count;   /* Running count of total # of blocks allocated */
+    size_t curr_alloc_blocks_count;    /* Current # of blocks allocated */
+    size_t peak_alloc_blocks_count;    /* Peak # of blocks allocated */
+} H5_alloc_stats_t;
+
 /* Functions in H5.c */
 H5_DLL herr_t H5open(void);
 H5_DLL herr_t H5close(void);
@@ -388,9 +401,7 @@ H5_DLL herr_t H5set_free_list_limits (int reg_global_lim, int reg_list_lim,
                 int blk_list_lim);
 H5_DLL herr_t H5get_free_list_sizes(size_t *reg_size, size_t *arr_size,
     size_t *blk_size, size_t *fac_size);
-H5_DLL herr_t H5get_alloc_stats(unsigned long long *total_alloc_bytes, size_t *curr_alloc_bytes,
-    size_t *peak_alloc_bytes, size_t *max_block_size, size_t *total_alloc_blocks_count,
-    size_t *curr_alloc_blocks_count, size_t *peak_alloc_blocks_count);
+H5_DLL herr_t H5get_alloc_stats(H5_alloc_stats_t *stats);
 H5_DLL herr_t H5get_libversion(unsigned *majnum, unsigned *minnum,
 				unsigned *relnum);
 H5_DLL herr_t H5check_version(unsigned majnum, unsigned minnum,