WCHAR *WCMD_fgets(WCHAR *buf, DWORD noChars, HANDLE h)
{
DWORD charsRead;
BOOL status;
DWORD i;
/* We can't use the native f* functions because of the filename syntax differences
between DOS and Unix. Also need to lose the LF (or CRLF) from the line. */
if (!WCMD_is_console_handle(h)) {
LARGE_INTEGER filepos;
char *bufA;
UINT cp;
const char *p;
cp = GetConsoleCP();
bufA = heap_alloc(noChars);
/* Save current file position */
filepos.QuadPart = 0;
SetFilePointerEx(h, filepos, &filepos, FILE_CURRENT);
status = ReadFile(h, bufA, noChars, &charsRead, NULL);
if (!status || charsRead == 0) {
heap_free(bufA);
return NULL;
}
/* Find first EOL */
for (p = bufA; p < (bufA + charsRead); p = CharNextExA(cp, p, 0)) {
if (*p == '\n' || *p == '\r')
break;
}
/* Sets file pointer to the start of the next line, if any */
filepos.QuadPart += p - bufA + 1 + (*p == '\r' ? 1 : 0);
SetFilePointerEx(h, filepos, NULL, FILE_BEGIN);
i = MultiByteToWideChar(cp, 0, bufA, p - bufA, buf, noChars);
heap_free(bufA);
}
else {
status = WCMD_ReadFile(h, buf, noChars, &charsRead);
if (!status || charsRead == 0) return NULL;
/* Find first EOL */
for (i = 0; i < charsRead; i++) {
if (buf[i] == '\n' || buf[i] == '\r')
break;
}
}
/* Truncate at EOL (or end of buffer) */
if (i == noChars)
i--;
buf[i] = '\0';
return buf;
}
WCHAR *WCMD_fgets (WCHAR *s, int noChars, HANDLE h) {
DWORD bytes;
BOOL status;
WCHAR *p;
p = s;
do {
status = WCMD_ReadFile (h, s, 1, &bytes, NULL);
if ((status == 0) || ((bytes == 0) && (s == p))) return NULL;
if (*s == '\n') bytes = 0;
else if (*s != '\r') {
s++;
noChars--;
}
*s = '\0';
} while ((bytes == 1) && (noChars > 1));
return p;
}
WCHAR *WCMD_fgets(WCHAR *buf, int noChars, HANDLE h)
{
DWORD charsRead;
BOOL status;
LARGE_INTEGER filepos;
int i;
/* We can't use the native f* functions because of the filename syntax differences
between DOS and Unix. Also need to lose the LF (or CRLF) from the line. */
if (!WCMD_is_console_handle(h)) {
/* Save current file position */
filepos.QuadPart = 0;
SetFilePointerEx(h, filepos, &filepos, FILE_CURRENT);
}
status = WCMD_ReadFile(h, buf, noChars, &charsRead);
if (!status || charsRead == 0) return NULL;
/* Find first EOL */
for (i = 0; i < charsRead; i++) {
if (buf[i] == '\n' || buf[i] == '\r')
break;
}
if (!WCMD_is_console_handle(h) && i != charsRead) {
/* Sets file pointer to the start of the next line, if any */
filepos.QuadPart += i + 1 + (buf[i] == '\r' ? 1 : 0);
SetFilePointerEx(h, filepos, NULL, FILE_BEGIN);
}
/* Truncate at EOL (or end of buffer) */
if (i == noChars)
i--;
buf[i] = '\0';
return buf;
}