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author | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2017-05-17 13:11:55 +0530 |
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committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2017-05-17 13:11:55 +0530 |
commit | ad2f35cb396d24391150675fb55311c98d1e1592 (patch) | |
tree | bc4daee1bc3f9609bebbd29c8ecf53d46f5e8ab7 /stdio-common/bug23-2.c | |
parent | d13103074ab5c7614eeb94f88a61803ed8f3e878 (diff) | |
download | glibc-ad2f35cb396d24391150675fb55311c98d1e1592.tar.gz glibc-ad2f35cb396d24391150675fb55311c98d1e1592.tar.xz glibc-ad2f35cb396d24391150675fb55311c98d1e1592.zip |
tunables: Add support for tunables of uint64_t type
Recognize the uint64_t type in addition to the current int32_t and size_t. This allows addition of tunables of uint64_t types. In addition to adding the uint64_t type, this patch also consolidates validation and reading of integer types in tunables. One notable change is that of overflow computation in tunables_strtoul. The function was lifted from __internal_strtoul, but it does not need the boundary condition check (i.e. result == ULONG_MAX) since it does not need to set errno. As a result the check can be simplified, which I have now done. * elf/dl-tunable-types.h (tunable_type_code_t): New type TUNABLE_TYPE_UINT_64. * elf/dl-tunables.c (tunables_strtoul): Return uint64_t. Simplify computation of overflow. (tunable_set_val_if_valid_range_signed, tunable_set_val_if_valid_range_unsigned): Remove and replace with this... (TUNABLE_SET_VAL_IF_VALID_RANGE): ... New macro. (tunable_initialize): Adjust. Add uint64_t support. (__tunable_set_val): Add uint64_t support. * README.tunables: Document it.
Diffstat (limited to 'stdio-common/bug23-2.c')
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