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msvcrt: Remove read_i loop and fix fread.

This commit is contained in:
Duane Clark 2006-07-31 12:12:02 -07:00 committed by Alexandre Julliard
parent 3e1ace5aa3
commit 5c4b18a931
1 changed files with 19 additions and 31 deletions
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30
dlls/msvcrt/file.c
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@ -1619,7 +1619,7 @@ static unsigned int remove_cr(char *buf, unsigned int count)
*/
static int read_i(int fd, void *buf, unsigned int count)
{
DWORD num_read, all_read = 0;
DWORD num_read;
char *bufstart = buf;
HANDLE hand = msvcrt_fdtoh(fd);
@ -1630,34 +1630,25 @@ static int read_i(int fd, void *buf, unsigned int count)
return -1;
/* Reading single bytes in O_TEXT mode makes things slow
* So read big chunks, then remove the \r in memory and try reading
* the rest until the request is satisfied or EOF is met
* So read big chunks
*/
while (all_read < count)
if (ReadFile(hand, bufstart, count, &num_read, NULL))
{
if (ReadFile(hand, bufstart+all_read, count - all_read, &num_read, NULL))
if (num_read != count)
{
if (num_read != (count - all_read))
{
TRACE(":EOF\n");
MSVCRT_fdesc[fd].wxflag |= WX_ATEOF;
all_read += num_read;
if (count > 4)
TRACE("%s\n",debugstr_an(buf,all_read));
return all_read;
TRACE(":EOF %s\n",debugstr_an(buf,num_read));
}
all_read += num_read;
}
else
{
TRACE(":failed-last error (%ld)\n",GetLastError());
return -1;
}
}
if (count > 4)
TRACE("(%lu), %s\n",all_read,debugstr_an(buf, all_read));
return all_read;
TRACE("(%lu), %s\n",num_read,debugstr_an(buf, num_read));
return num_read;
}
/*********************************************************************
@ -2132,11 +2123,8 @@ int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
file->_cnt--;
i = file->_ptr++;
j = *i;
} else {
} else
j = MSVCRT__filbuf(file);
if (j == MSVCRT_EOF)
return j;
}
if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) || (j != '\r'))
return j;
} while(1);
@ -2508,7 +2496,6 @@ MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nm
while(rcnt>0)
{
int i = _read(file->_file,ptr, rcnt);
if (i==0) break;
pread += i;
rcnt -= i;
/* expose feof condition in the flags
@ -2522,6 +2509,7 @@ MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nm
pread = 0;
rcnt = 0;
}
if (i < 1) break;
}
read+=pread;
return read / size;