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96ec2c2500
All the main backend structures - Ssh, Telnet, Pty, Serial etc - now describe structure types themselves rather than pointers to them. The same goes for the codebase-wide trait types Socket and Plug, and the supporting types SockAddr and Pinger. All those things that were typedefed as pointers are older types; the newer ones have the explicit * at the point of use, because that's what I now seem to be preferring. But whichever one of those is better, inconsistently using a mixture of the two styles is worse, so let's make everything consistent. A few types are still implicitly pointers, such as Bignum and some of the GSSAPI types; generally this is either because they have to be void *, or because they're typedefed differently on different platforms and aren't always pointers at all. Can't be helped. But I've got rid of the main ones, at least.
108 lines
2.9 KiB
C
108 lines
2.9 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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#include <stddef.h>
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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typedef struct conf_tag Conf;
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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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typedef struct BinarySink BinarySink;
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typedef struct BinarySource BinarySource;
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typedef struct IdempotentCallback IdempotentCallback;
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typedef struct SockAddr SockAddr;
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typedef struct Socket_vtable Socket_vtable;
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typedef struct Plug_vtable Plug_vtable;
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typedef struct Backend Backend;
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typedef struct Backend_vtable Backend_vtable;
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typedef struct Ldisc_tag Ldisc;
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typedef struct LogContext_tag LogContext;
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typedef struct Frontend Frontend;
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typedef struct Ssh Ssh;
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typedef struct Channel Channel;
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typedef struct SshChannel SshChannel;
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typedef struct ssh_sharing_state ssh_sharing_state;
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typedef struct ssh_sharing_connstate ssh_sharing_connstate;
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typedef struct share_channel share_channel;
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typedef struct PortFwdManager PortFwdManager;
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typedef struct PortFwdRecord PortFwdRecord;
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typedef struct ConnectionLayer ConnectionLayer;
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typedef struct dlgparam dlgparam;
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typedef struct settings_w settings_w;
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typedef struct settings_r settings_r;
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typedef struct settings_e settings_e;
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typedef struct SessionSpecial SessionSpecial;
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typedef const Socket_vtable *Socket;
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typedef const Plug_vtable *Plug;
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/*
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* A small structure wrapping up a (pointer, length) pair so that it
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* can be conveniently passed to or from a function.
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*/
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typedef struct ptrlen {
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const void *ptr;
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size_t len;
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} ptrlen;
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typedef struct logblank_t logblank_t;
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typedef struct BinaryPacketProtocol BinaryPacketProtocol;
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typedef struct PacketProtocolLayer PacketProtocolLayer;
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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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/* Return a pointer to the object of structure type 'type' whose field
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* with name 'field' is pointed at by 'object'. */
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#define FROMFIELD(object, type, field) \
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TYPECHECK(object == &((type *)0)->field, \
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((type *)(((char *)(object)) - offsetof(type, field))))
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#endif /* PUTTY_DEFS_H */
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