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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#include "global.h"
#include "posix.h"
#include "buffer.h"
#include <stdarg.h>
/********************************************
* New error handling
********************************************/
static git_error g_git_oom_error = {
"Out of memory",
GITERR_NOMEMORY
};
static void set_error(int error_class, char *string)
{
git_error *error = &GIT_GLOBAL->error_t;
git__free(error->message);
error->message = string;
error->klass = error_class;
GIT_GLOBAL->last_error = error;
}
void giterr_set_oom(void)
{
GIT_GLOBAL->last_error = &g_git_oom_error;
}
void giterr_set(int error_class, const char *string, ...)
{
git_buf buf = GIT_BUF_INIT;
va_list arglist;
int unix_error_code = 0;
#ifdef GIT_WIN32
DWORD win32_error_code = 0;
#endif
if (error_class == GITERR_OS) {
unix_error_code = errno;
errno = 0;
#ifdef GIT_WIN32
win32_error_code = GetLastError();
SetLastError(0);
#endif
}
va_start(arglist, string);
git_buf_vprintf(&buf, string, arglist);
va_end(arglist);
/* automatically suffix strerror(errno) for GITERR_OS errors */
if (error_class == GITERR_OS) {
if (unix_error_code != 0) {
git_buf_PUTS(&buf, ": ");
git_buf_puts(&buf, strerror(unix_error_code));
}
#ifdef GIT_WIN32
else if (win32_error_code != 0) {
LPVOID lpMsgBuf = NULL;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, win32_error_code, 0, (LPTSTR) &lpMsgBuf, 0, NULL);
if (lpMsgBuf) {
git_buf_PUTS(&buf, ": ");
git_buf_puts(&buf, lpMsgBuf);
LocalFree(lpMsgBuf);
}
}
#endif
}
if (!git_buf_oom(&buf))
set_error(error_class, git_buf_detach(&buf));
}
void giterr_set_str(int error_class, const char *string)
{
char *message = git__strdup(string);
if (message)
set_error(error_class, message);
}
void giterr_set_regex(const regex_t *regex, int error_code)
{
char error_buf[1024];
regerror(error_code, regex, error_buf, sizeof(error_buf));
giterr_set_str(GITERR_REGEX, error_buf);
}
void giterr_clear(void)
{
GIT_GLOBAL->last_error = NULL;
}
const git_error *giterr_last(void)
{
return GIT_GLOBAL->last_error;
}
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