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This feature enhances drvector by introducing a `zero_alloc` configuration and a `drvector_clear()` API. When `zero_alloc` is enabled, the container zero-initializes its internal storage when resizing and clearing the vector. The new `drvector_clear()` function allows users to empty a drvector's contents while retaining its allocated capacity for reuse. It invokes the user-provided free_data_func for all existing entries like `drvector_delete()`, and zeroes out the storage if zero_alloc is set, providing a more efficient alternative to deleting and re-initializing the container. Adds a test in suite/tests/client-interface/drcontainers-test.dll.c. Fixes #7798
Added zero_alloc to release doc.
derekbruening
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Feb 3, 2026
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derekbruening
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Compatibility needs to be addressed.
zero_alloc feature.
drvector_config_t.
derekbruening
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Feb 6, 2026
edeiana
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This feature enhances drvector by introducing a
zero_allocconfigurationand a
drvector_clear()API. Whenzero_allocis enabled, the containerzero-initializes its internal storage when initializing, resizing, or clearing the
vector.
zero_allocis a config parameter inside the newdrvector_config_tstruct and can be passed to the newly introduced
drvector_init_ex().The new
drvector_clear()function allows users to empty a drvector'scontents while retaining its allocated capacity for reuse. It invokes the
user-provided
free_data_func()for all existing entries(like
drvector_delete()), and zeroes out the storage of the vector ifzero_allocis set, providing a more efficient alternative to deletingand re-initializing the container.
Adds documentation about drvector in
ext/drcontainers/drcontainers.dox.Adds a test in
suite/tests/client-interface/drcontainers-test.dll.c.Adds
drvector_config_t(which containszero_alloc),drvector_init_ex(), anddrvector_clear()APIs to release doc.Version bumped to 11.91 since this PR contains compatibility-breaking
changes.
Fixes #7798