Add datasetio support#110
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- Refactor DatasetEntry to support byte-stream emulation with record buffering. - Implement newline insertion/stripping and record padding for FB datasets. - Optimize FB dataset I/O by reopening in binary mode for multi-record access. - Add VB size caching to improve performance of fstat and SEEK_END. - Fix write_dataset to prevent data loss at record boundaries and add bounds checking. - Use length-safe dsio_convert_buffer for all CCSID conversions. - Consolidate entry initialization and simplify redundant size checks.
…et to prevent tools like ggrep from incorrectly identifying datasets as stdout
…os in dataset I/O
…g FB seeks. Enables runtime debug logging via ZOSLIB_DEBUG and implements size caching.
- Added ZOSLIB_ENABLE_DATASETIO compilation flag (defaults to 0). - Added __DATASET_SUPPORT environment variable for runtime control. - Consolidated DatasetEntry struct and cleaned up redundant functions. - Defaulted dataset support to disabled at both compile and runtime.
- Added ZOSLIB_ENABLE_DATASETIO option to CMakeLists.txt (default OFF). - Added -d flag to build.sh to enable dataset I/O support during build.
…tat/dsio_get_size Harden error paths: fix zos_fcntl null-deref, close_dataset write-mode check, generate_name errno, and reduce noisy debug logging.
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augment review |
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Augment review isn't setup in ibmruntimes/ org :) |
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Moved to zopencommunity#1 |
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Adapted majority of the work from https://github.com/zopencommunity/libdio.
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