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12b38ad9e1
This centralises a few things that multiple header files were previously defining, and were protecting against each other's redefinition with ifdefs - small things like structs and typedefs. Now all those things are in a defs.h which is by definition safe to include _first_ (out of all the codebase-local headers) and only need to be defined once.
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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* defs.h: initial definitions for PuTTY.
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*
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* The rule about this header file is that it can't depend on any
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* other header file in this code base. This is where we define
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* things, as much as we can, that other headers will want to refer
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* to, such as opaque structure types and their associated typedefs,
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* or macros that are used by other headers.
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*/
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#ifndef PUTTY_DEFS_H
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#define PUTTY_DEFS_H
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typedef struct conf_tag Conf;
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typedef struct backend_tag Backend;
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typedef struct terminal_tag Terminal;
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typedef struct Filename Filename;
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typedef struct FontSpec FontSpec;
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typedef struct bufchain_tag bufchain;
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typedef struct strbuf strbuf;
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struct RSAKey;
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#include <stdint.h>
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typedef uint32_t uint32;
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/* Do a compile-time type-check of 'to_check' (without evaluating it),
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* as a side effect of returning the value 'to_return'. Note that
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* although this macro double-*expands* to_return, it always
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* *evaluates* exactly one copy of it, so it's side-effect safe. */
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#define TYPECHECK(to_check, to_return) \
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(sizeof(to_check) ? (to_return) : (to_return))
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#endif /* PUTTY_DEFS_H */
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