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author | Allen Byrne <50328838+byrnHDF@users.noreply.github.com> | 2021-05-26 16:53:05 (GMT) |
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committer | GitHub <noreply@github.com> | 2021-05-26 16:53:05 (GMT) |
commit | a0968ce775096e83602c7cacb419d3565041fa60 (patch) | |
tree | b861c812113ec11e3b2225cc1b980dccec62a011 /doxygen/examples/H5F_examples.c | |
parent | 5e9e8ff598e6af721459db59aea8b2a9b489d4ec (diff) | |
download | hdf5-a0968ce775096e83602c7cacb419d3565041fa60.zip hdf5-a0968ce775096e83602c7cacb419d3565041fa60.tar.gz hdf5-a0968ce775096e83602c7cacb419d3565041fa60.tar.bz2 |
Hdf5 1 10 doxygen merges (#684)
* HDFFV-10865 - merge from dev, HDFArray perf fix.
* Remove duplicate setting
* Whitespace changes after clang format
* Undo version 11 clang format changes
* Merge CMake changes from develop
* test testing script merge from develop
* Update supported platforms
* PR#3 merge from develop
* Merge gcc 10 diagnostics option from develop
* Merge #318 OSX changes from develop
* Merge small changes from develop
* Minor non-space formatting changes
* #386 copyright corrections for java folder
* Merges from develop
#358 patches from vtk
#361 fix header guard spelling
* Merge updates
#358 patches from vtk
#361 fix header guard spelling
* format fix
* Fix missing underscore and make H5public.h closer to dev
* Merges from develop
#340 clang -Wformat-security warnings
#360 Fixed uninitialized warnings
header guard underscore cleanup
JNI cleanup
* format alignment
* Add missing test ref file
* Merge #380 from develop
* Finish java merges from develop
* Fix java issues with tests and javadoc
* Correct use of attribute access plist
* Remove debug code
* Remove unused variable
* Change file access to read only for java tests
* Split clang format operations.
* More javadoc comments
* Remove pre-split setting
* format source
* Change windows TS to use older VS.
* Mostly all javadoc fixes, one argument rename.
* synch file
* Merge of long double fix and compiler flags
* HDFFV-11229 merge changes from develop
* HDFFV-11229 correct test script
* HDFFV-11229 update autotools test script for two ref files
* HDFFV-11229 merge dev changes for long double display in tools
* Committing clang-format changes
* minor whitespace
* remove unneeded macro
* Committing clang-format changes
* Add "option" command for clang options
* Rework CMake add_custom to use the BYPRODUCTS argument
Update pkgconfig scripts for parallel builds.
Fix install COPYING file reference.
Remove unused round defines.
Change CMake default setting of BUILD_CPP to off.
* Fortran target depends
* Remove incorrect source attribute
* Revert define removal
* printf specifiers and VS2015 min changes
* Committing clang-format changes
* Add time struct
* TRILAB-227 and tools debug merges from develop
* Merge various changes from dev
* Issue #669 remove version from pkgcfg filename
* remove version from h5cc script
* doxygen changes merged from develop
* Committing clang-format changes
Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Diffstat (limited to 'doxygen/examples/H5F_examples.c')
-rw-r--r-- | doxygen/examples/H5F_examples.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/doxygen/examples/H5F_examples.c b/doxygen/examples/H5F_examples.c new file mode 100644 index 0000000..a7ce6fb --- /dev/null +++ b/doxygen/examples/H5F_examples.c @@ -0,0 +1,187 @@ +/* -*- c-file-style: "stroustrup" -*- */ + +#include "hdf5.h" + +#include <stdio.h> +#include <stdlib.h> + +int +main(void) +{ + int ret_val = EXIT_SUCCESS; + + //! <!-- [life_cycle] --> + { + __label__ fail_fapl, fail_fcpl, fail_file; + hid_t fcpl, fapl, file; + + if ((fcpl = H5Pcreate(H5P_FILE_CREATE)) == H5I_INVALID_HID) { + ret_val = EXIT_FAILURE; + goto fail_fcpl; + } + else { + // adjust the file creation properties + } + + if ((fapl = H5Pcreate(H5P_FILE_ACCESS)) == H5I_INVALID_HID) { + ret_val = EXIT_FAILURE; + goto fail_fapl; + } + else { + // adjust the file access properties + } + + unsigned mode = H5F_ACC_EXCL; + char name[] = "f1.h5"; + + if ((file = H5Fcreate(name, mode, fcpl, fapl)) == H5I_INVALID_HID) { + ret_val = EXIT_FAILURE; + goto fail_file; + } + + // do something useful with FILE + + H5Fclose(file); +fail_file: + H5Pclose(fapl); +fail_fapl: + H5Pclose(fcpl); +fail_fcpl:; + } + //! <!-- [life_cycle] --> + + //! <!-- [life_cycle_w_open] --> + { + __label__ fail_fapl, fail_file; + hid_t fapl, file; + + if ((fapl = H5Pcreate(H5P_FILE_ACCESS)) == H5I_INVALID_HID) { + ret_val = EXIT_FAILURE; + goto fail_fapl; + } + else { + // adjust the file access properties + } + + unsigned mode = H5F_ACC_RDWR; + char name[] = "f1.h5"; + + if ((file = H5Fopen(name, mode, fapl)) == H5I_INVALID_HID) { + ret_val = EXIT_FAILURE; + goto fail_file; + } + + // do something useful with FILE + + H5Fclose(file); +fail_file: + H5Pclose(fapl); +fail_fapl:; + } + //! <!-- [life_cycle_w_open] --> + + //! <!-- [minimal] --> + { + unsigned mode = H5F_ACC_TRUNC; + char name[] = "f11.h5"; + + hid_t file = H5Fcreate(name, mode, H5P_DEFAULT, H5P_DEFAULT); + if (file != H5I_INVALID_HID) + H5Fclose(file); + else + ret_val = EXIT_FAILURE; + } + //! <!-- [minimal] --> + + //! <!-- [open] --> + { + unsigned mode = H5F_ACC_RDONLY; + char name[] = "f11.h5"; + + hid_t file = H5Fopen(name, mode, H5P_DEFAULT); + if (file != H5I_INVALID_HID) + H5Fclose(file); + else + ret_val = EXIT_FAILURE; + } + //! <!-- [open] --> + + //! <!-- [flush] --> + { + unsigned mode = H5F_ACC_RDWR; + char name[] = "f11.h5"; + + hid_t file = H5Fopen(name, mode, H5P_DEFAULT); + if (file != H5I_INVALID_HID) { + int step; + for (step = 0; step < 1000; ++step) { + + // do important work & flush every 20 steps + + if (step % 20 == 0) { + if (H5Fflush(file, H5F_SCOPE_LOCAL) < 0) { + perror("H5Fflush failed."); + ret_val = EXIT_FAILURE; + break; + } + } + } + + if (H5Fclose(file) < 0) + perror("H5Fclose failed."); + } + else + ret_val = EXIT_FAILURE; + } + //! <!-- [flush] --> + + //! <!-- [libver_bounds] --> + { + unsigned mode = H5F_ACC_RDWR; + char name[] = "f11.h5"; + + hid_t file = H5Fopen(name, mode, H5P_DEFAULT); + if (file != H5I_INVALID_HID) { + if (H5Fset_libver_bounds(file, H5F_LIBVER_EARLIEST, H5F_LIBVER_V18) >= 0) { + + // object creation will not exceed HDF5 version 1.8.x + } + else + perror("H5Fset_libver_bounds failed."); + + if (H5Fclose(file) < 0) + perror("H5Fclose failed."); + } + else + ret_val = EXIT_FAILURE; + } + //! <!-- [libver_bounds] --> + + //! <!-- [mount] --> + { + hid_t file = H5Fopen("f11.h5", H5F_ACC_RDWR, H5P_DEFAULT); + if (file != H5I_INVALID_HID) { + hid_t group, child; + if ((group = H5Gcreate1(file, "mount_point", H5P_DEFAULT)) != H5I_INVALID_HID) { + if ((child = H5Fopen("f1.h5", H5F_ACC_RDONLY, H5P_DEFAULT)) != H5I_INVALID_HID) { + if (H5Fmount(group, ".", child, H5P_DEFAULT) >= 0) { + + // do something useful w/ the mounted file + } + else { + ret_val = EXIT_FAILURE; + perror("H5Fmount failed."); + } + H5Fclose(child); + } + H5Gclose(group); + } + H5Fclose(file); + } + else + ret_val = EXIT_FAILURE; + } + //! <!-- [mount] --> + + return ret_val; +} |