Merge branch 'jc/coding-guidelines'
* jc/coding-guidelines: CodingGuidelines: clarify C #include rules
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@ -328,9 +328,14 @@ For C programs:
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- When you come up with an API, document it.
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- The first #include in C files, except in platform specific
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compat/ implementations, should be git-compat-util.h or another
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header file that includes it, such as cache.h or builtin.h.
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- The first #include in C files, except in platform specific compat/
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implementations, must be either "git-compat-util.h", "cache.h" or
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"builtin.h". You do not have to include more than one of these.
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- A C file must directly include the header files that declare the
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functions and the types it uses, except for the functions and types
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that are made available to it by including one of the header files
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it must include by the previous rule.
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- If you are planning a new command, consider writing it in shell
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or perl first, so that changes in semantics can be easily
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