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LIBC_ERRNO_MODE_SYSTEM to be header-only. (#143187)
This is the first step in preparation for:
https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
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This is a part of #97655.
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declaration" (#98593)
Reverts llvm/llvm-project#98075
bots are broken
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This is a part of #97655.
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This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
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Fixes https://github.com/llvm/llvm-project/issues/61071
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D145191
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The standard describes atoi as:
"equivalent to atoi: (int)strtol(nptr, (char **)NULL, 10)"
Previously, our behavior was slightly different on numbers larger than
INT_MAX, but this patch changes it to just do the cast instead. Both of
these are valid since the standard says
"If the value of the result cannot be represented, the
behavior is undefined."
But matching existing behavior makes differential fuzzing easier.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D140350
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This is a class intended to improve errno handling for internal
functions by allowing functions to return their result and error status
instead of setting errno. This specific class will be used for
strtointeger and (in a followup patch) strtofloat.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D133163
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rename str_conv_utils to str_to_integer to be more
in line with str_to_float.
Reviewed By: sivachandra, lntue
Differential Revision: https://reviews.llvm.org/D113061
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This is based on the work done to add strtoll and the other strto
functions. The atoi functions also were added to stdc and
entrypoints.txt.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D108330
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