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| author | Joseph Myers <joseph@codesourcery.com> | 2023-06-19 19:40:34 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2023-06-19 19:40:34 +0000 |
| commit | 2d88df541132f09454d947c498103aa7be76b652 (patch) | |
| tree | 93e7cc592019cda92c8edb9a30ac4f1c2757386c /login | |
| parent | 5f83b2674e42cd74257731b281f66d0442bf045f (diff) | |
| download | glibc-2d88df541132f09454d947c498103aa7be76b652.tar.gz glibc-2d88df541132f09454d947c498103aa7be76b652.tar.xz glibc-2d88df541132f09454d947c498103aa7be76b652.zip | |
C2x scanf %b support
ISO C2x defines scanf %b for input of binary integers (with an optional 0b or 0B prefix). Implement such support, along with the corresponding SCNb* macros in <inttypes.h>. Unlike the support for binary integers with 0b or 0B prefix with scanf %i, this is supported in all versions of scanf (independent of the standards mode used for compilation), because there are no backwards compatibility concerns (%b wasn't previously a supported format) the way there were for %i. Tested for x86_64 and x86.
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