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A namespace like LIBC_NAMESPACE::internal should only ever be
defined if it's providing global symbols declared in headers.
These StringUtil implementations were defining global namespaced
symbols for their file-local helper code, which they should not.
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This patch adds the %m conversion to printf, which prints the
strerror(errno). Explanation of why is below, this patch also updates
the docs, tests, and build system to accomodate this.
The standard for syslog in posix specifies it uses the same format as
printf, but adds %m which prints the error message string for the
current value of errno. For ease of implementation, it's standard
practice for libc implementers to just add %m to printf instead of
creating a separate parser for syslog.
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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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This patch is an alternative to D155902. It provides the following benefits:
- No buffer manual allocation and error handling for the general case
- More flexible API : width specifier, sign and prefix handling
- Simpler code
The more flexible API removes the need for manually tweaking the buffer afterwards, and so prevents relying on implementation details of IntegerToString.
Reviewed By: michaelrj, jhuber6
Differential Revision: https://reviews.llvm.org/D156981
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This reverts commit 910cc05aae85a6b31e2a2ed87d3dd46db46fce04.
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This patch is an alternative to D155902. It provides the following benefits:
- No buffer manual allocation and error handling for the general case
- More flexible API : width specifier, sign and prefix handling
- Simpler code
The more flexible API removes the need for manually tweaking the buffer afterwards, and so prevents relying on implementation details of IntegerToString.
Reviewed By: michaelrj, jhuber6
Differential Revision: https://reviews.llvm.org/D156981
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It resolves to thread_local on all platform except for the GPUs on which
it resolves to nothing. The use of thread_local in the source code has been
replaced with the new macro.
Reviewed By: jhuber6
Differential Revision: https://reviews.llvm.org/D151486
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This is largely a cosmetic change done with a few goals:
1. Reduce the conditionals in picking the correct set of tables for the
platform.
2. Avoid exposing, for example Linux errors, when building for non-Linux
platforms. This also prevents build failures when Linux errors are not
defined on the target non-Linux platform.
3. Some "_table" suffixes have been removed to avoid repeated
occurance of "table" like "tables/linux_error_table.h".
Reviewed By: michaelrj
Differential Revision: https://reviews.llvm.org/D151367
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Reviewed By: michaelrj
Differential Revision: https://reviews.llvm.org/D150088
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Other OSes may have different mappings from error number to message.
This creates a system to allow new platforms to define their own
mappings.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D147967
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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 logic for strsignal and strerror is very similar, so I've moved them
both to use a shared utility (MessageMapper) for the basic
functionality.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D135322
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