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author | Dana Robinson <derobins@hdfgroup.org> | 2020-04-25 23:49:04 (GMT) |
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committer | David Young <dyoung@hdfgroup.org> | 2020-05-20 14:37:20 (GMT) |
commit | 3efed9c1110521a8361603436984a677f2bbea29 (patch) | |
tree | 5b676c2e131f18603b23dc8c67b142ded45ae3f9 /test/h5test.h | |
parent | 97431e256b70a393605d515f186e914a044a3fee (diff) | |
download | hdf5-3efed9c1110521a8361603436984a677f2bbea29.zip hdf5-3efed9c1110521a8361603436984a677f2bbea29.tar.gz hdf5-3efed9c1110521a8361603436984a677f2bbea29.tar.bz2 |
Fixes for warnings in the tools code.
Diffstat (limited to 'test/h5test.h')
-rw-r--r-- | test/h5test.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/h5test.h b/test/h5test.h index 398010b..2216069 100644 --- a/test/h5test.h +++ b/test/h5test.h @@ -126,6 +126,65 @@ H5TEST_DLLVAR MPI_Info h5_io_info_g; /* MPI INFO object for IO */ #define H5_FILEACCESS_VFD 0x01 #define H5_FILEACCESS_LIBVER 0x02 +/* Macros to create and fill 2D arrays with a single heap allocation. + * These can be used to replace large stack and global arrays which raise + * warnings. + * + * The macros make a single heap allocation large enough to hold all the + * pointers and the data elements. The first part of the allocation holds + * the pointers, and the second part holds the data as a contiguous block + * in row-major order. + * + * To pass the data block to calls like H5Dread(), pass a pointer to the + * first array element as the data pointer (e.g., array[0] in a 2D array). + * + * The fill macro just fills the array with an increasing count value. + * + * Usage: + * + * int **array; + * + * H5TEST_ALLOCATE_2D_ARRAY(array, int, 5, 10); + * + * H5TEST_FILL_2D_ARRAY(array, int, 5, 10); + * + * (do stuff) + * + * HDfree(array); + */ +#define H5TEST_ALLOCATE_2D_ARRAY(ARR, TYPE, DIMS_I, DIMS_J) \ +{ \ + /* Prefix with h5taa to avoid shadow warnings */ \ + size_t h5taa_pointers_size = 0; \ + size_t h5taa_data_size = 0; \ + int h5taa_i; \ + \ + h5taa_pointers_size = (DIMS_I) * sizeof(TYPE *); \ + h5taa_data_size = (DIMS_I) * (DIMS_J) * sizeof(TYPE); \ + \ + ARR = (TYPE **)HDmalloc(h5taa_pointers_size + h5taa_data_size); \ + \ + ARR[0] = (TYPE *)(ARR + (DIMS_I)); \ + \ + for (h5taa_i = 1; h5taa_i < (DIMS_I); h5taa_i++) \ + ARR[h5taa_i] = ARR[h5taa_i-1] + (DIMS_J); \ +} + +#define H5TEST_FILL_2D_ARRAY(ARR, TYPE, DIMS_I, DIMS_J) \ +{ \ + /* Prefix with h5tfa to avoid shadow warnings */ \ + int h5tfa_i = 0; \ + int h5tfa_j = 0; \ + TYPE h5tfa_count = 0; \ + \ + for (h5tfa_i = 0; h5tfa_i < (DIMS_I); h5tfa_i++) \ + for (h5tfa_j = 0; h5tfa_j < (DIMS_J); h5tfa_j++) { \ + ARR[h5tfa_i][h5tfa_j] = h5tfa_count; \ + h5tfa_count++; \ + } \ +} + + #ifdef __cplusplus extern "C" { #endif |