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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <wchar.h>
#include "evil_private.h"
DWORD _evil_tls_index;
/* static void _evil_error_display(const char *fct, LONG res); */
static void _evil_last_error_display(const char *fct);
EVIL_API wchar_t *
evil_char_to_wchar(const char *text)
{
wchar_t *wtext;
int wsize;
if (!text)
return NULL;
wsize = MultiByteToWideChar(CP_ACP, 0, text, (int)strlen(text) + 1, NULL, 0);
if ((wsize == 0) ||
(wsize > (int)(ULONG_MAX / sizeof(wchar_t))))
{
if (wsize == 0)
_evil_last_error_display(__func__);
return NULL;
}
wtext = malloc(wsize * sizeof(wchar_t));
if (wtext)
if (!MultiByteToWideChar(CP_ACP, 0, text, (int)strlen(text) + 1, wtext, wsize))
{
_evil_last_error_display(__func__);
return NULL;
}
return wtext;
}
EVIL_API char *
evil_wchar_to_char(const wchar_t *text)
{
char *atext;
int asize;
if (!text)
return NULL;
asize = WideCharToMultiByte(CP_ACP, 0, text, -1, NULL, 0, NULL, NULL);
if (asize == 0)
{
_evil_last_error_display(__func__);
return NULL;
}
atext = (char*)malloc(asize * sizeof(char));
if (!atext)
return NULL;
asize = WideCharToMultiByte(CP_ACP, 0, text, -1, atext, asize, NULL, NULL);
if (asize == 0)
{
_evil_last_error_display(__func__);
return NULL;
}
return atext;
}
EVIL_API char *
evil_utf16_to_utf8(const wchar_t *text16)
{
char *text8;
DWORD flag = 0;
int size8;
if (!text16)
return NULL;
flag = WC_ERR_INVALID_CHARS;
size8 = WideCharToMultiByte(CP_UTF8, flag, text16, -1, NULL, 0, NULL, NULL);
if (size8 == 0)
{
_evil_last_error_display(__func__);
return NULL;
}
text8 = (char*)malloc(size8 * sizeof(char));
if (!text8)
return NULL;
size8 = WideCharToMultiByte(CP_UTF8, flag, text16, -1, text8, size8, NULL, NULL);
if (size8 == 0)
{
_evil_last_error_display(__func__);
return NULL;
}
return text8;
}
EVIL_API wchar_t *
evil_utf8_to_utf16(const char *text)
{
wchar_t *text16;
DWORD flag = MB_ERR_INVALID_CHARS;
int size16;
if (!text)
return NULL;
size16 = MultiByteToWideChar(CP_UTF8, flag, text, -1, NULL, 0);
if (size16 == 0)
{
_evil_last_error_display(__func__);
return NULL;
}
text16 = malloc(size16 * sizeof(wchar_t));
if (text16)
if (!MultiByteToWideChar(CP_UTF8, flag, text, -1, text16, size16))
{
_evil_last_error_display(__func__);
return NULL;
}
return text16;
}
EVIL_API const char *
evil_format_message(long err)
{
char *buf;
LPTSTR msg;
char *str;
if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
0, /* Default language */
(LPTSTR)&msg,
0,
NULL))
{
buf = (char *)TlsGetValue(_evil_tls_index);
snprintf(buf, 4096,
"FormatMessage failed with error %ld\n", GetLastError());
return (const char *)buf;
}
#ifdef UNICODE
str = evil_wchar_to_char(msg);
#else
str = msg;
#endif /* UNICODE */
buf = (char *)TlsGetValue(_evil_tls_index);
snprintf(buf, 4096, "(%5ld) %s", err, str);
#ifdef UNICODE
free(str);
#endif /* UNICODE */
LocalFree(msg);
return (const char *)buf;
}
EVIL_API const char *
evil_last_error_get(void)
{
DWORD err;
err = GetLastError();
return evil_format_message(err);
}
static void
_evil_last_error_display(const char *fct)
{
fprintf(stderr, "[Evil] [%s] ERROR: %s\n", fct, evil_last_error_get());
}
EVIL_API int
evil_path_is_absolute(const char *path)
{
size_t length;
if (!path)
return 0;
if (*path == '/' || *path == '\\') return 1;
length = strlen(path);
if (length < 3) return 0;
if ((((*path >= 'a') && (*path <= 'z')) ||
((*path >= 'A') && (*path <= 'Z'))) &&
(path[1] == ':') &&
((path[2] == '/') || (path[2] == '\\')))
return 1;
return 0;
}
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