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81 lines
2 KiB
Plaintext
81 lines
2 KiB
Plaintext
/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#ifndef INCLUDE_errors_h__
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#define INCLUDE_errors_h__
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#include "common.h"
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/*
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* `vprintf`-style formatting for the error message for this thread.
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*/
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void git_error_vset(int error_class, const char *fmt, va_list ap);
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/**
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* Set error message for user callback if needed.
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*
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* If the error code in non-zero and no error message is set, this
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* sets a generic error message.
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*
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* @return This always returns the `error_code` parameter.
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*/
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GIT_INLINE(int) git_error_set_after_callback_function(
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int error_code, const char *action)
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{
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if (error_code) {
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const git_error *e = git_error_last();
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if (!e || !e->message)
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git_error_set(e ? e->klass : GIT_ERROR_CALLBACK,
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"%s callback returned %d", action, error_code);
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}
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return error_code;
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}
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#ifdef GIT_WIN32
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#define git_error_set_after_callback(code) \
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git_error_set_after_callback_function((code), __FUNCTION__)
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#else
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#define git_error_set_after_callback(code) \
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git_error_set_after_callback_function((code), __func__)
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#endif
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/**
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* Gets the system error code for this thread.
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*/
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int git_error_system_last(void);
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/**
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* Sets the system error code for this thread.
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*/
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void git_error_system_set(int code);
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/**
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* Structure to preserve libgit2 error state
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*/
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typedef struct {
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int error_code;
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unsigned int oom : 1;
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git_error error_msg;
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} git_error_state;
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/**
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* Capture current error state to restore later, returning error code.
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* If `error_code` is zero, this does not clear the current error state.
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* You must either restore this error state, or free it.
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*/
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extern int git_error_state_capture(git_error_state *state, int error_code);
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/**
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* Restore error state to a previous value, returning saved error code.
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*/
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extern int git_error_state_restore(git_error_state *state);
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/** Free an error state. */
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extern void git_error_state_free(git_error_state *state);
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#endif
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