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made a lot of changes

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This commit is contained in:
eck
1989-12-18 15:04:14 +00:00
parent e9b080e13a
commit a5be75a764
40 changed files with 540 additions and 386 deletions
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56
lang/cem/libcc.ansi/stdio/flushbuf.c
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@@ -7,12 +7,17 @@
#include <stdlib.h>
#include "loc_incl.h"
#include <sys/types.h>
off_t lseek(int fildes, off_t offset, int whence);
int write(int d, const char *buf, int nbytes);
int isatty(int d);
extern int (*_fflush)(FILE *stream);
int
_flushbuf(int c, FILE * stream)
__flushbuf(int c, FILE * stream)
{
_fflush = fflush;
if (fileno(stream) < 0) return EOF;
if (!io_testflag(stream, _IOWRITE)) return EOF;
if (io_testflag(stream, _IOREADING) && !feof(stream)) return EOF;
@@ -25,22 +30,20 @@ _flushbuf(int c, FILE * stream)
if (!(stream->_buf =
(unsigned char *) malloc(BUFSIZ))) {
stream->_flags |= _IONBF;
}
else {
} else {
stream->_flags |= _IOLBF;
stream->_bufsiz = BUFSIZ;
stream->_count = -1;
}
}
else {
} else {
if (!(stream->_buf =
(unsigned char *) malloc(BUFSIZ))) {
stream->_flags |= _IONBF;
}
else {
} else {
stream->_flags |= _IOMYBUF;
stream->_bufsiz = BUFSIZ;
stream->_count = BUFSIZ - 1;
if (!io_testflag(stream, _IOLBF))
stream->_count = BUFSIZ - 1;
}
}
stream->_ptr = stream->_buf;
@@ -51,33 +54,48 @@ _flushbuf(int c, FILE * stream)
char c1 = c;
stream->_count = 0;
if (io_testflag(stream, _IOAPPEND)) {
if (lseek(fileno(stream), 0L, 2) == -1) {
stream->_flags |= _IOERR;
return EOF;
}
}
if (write(fileno(stream), &c1, 1) != 1) {
stream->_flags |= _IOERR;
return EOF;
}
return c;
}
else if (io_testflag(stream, _IOLBF)) {
} else if (io_testflag(stream, _IOLBF)) {
*stream->_ptr++ = c;
if (c == '\n' || stream->_count == -stream->_bufsiz) {
if (io_testflag(stream, _IOAPPEND)) {
if (lseek(fileno(stream), 0L, 2) == -1) {
stream->_flags |= _IOERR;
return EOF;
}
}
if (write(fileno(stream), (char *)stream->_buf,
-stream->_count) != -stream->_count) {
stream->_flags |= _IOERR;
return EOF;
}
else {
} else {
stream->_ptr = stream->_buf;
stream->_count = 0;
}
}
}
else {
} else {
int count = stream->_ptr - stream->_buf;
stream->_count = stream->_bufsiz - 1;
stream->_ptr = stream->_buf + 1;
if (count > 0) {
if (io_testflag(stream, _IOAPPEND)) {
if (lseek(fileno(stream), 0L, 2) == -1) {
stream->_flags |= _IOERR;
return EOF;
}
}
if (write(fileno(stream), (char *)stream->_buf, count)
!= count) {
*(stream->_buf) = c;
@@ -89,13 +107,3 @@ _flushbuf(int c, FILE * stream)
}
return c;
}
void
_cleanup(void) /* fflush((FILE *)NULL) ??? */
{
register int i;
for( i = 0; i < FOPEN_MAX; i++ )
if (_iotable[i])
fclose(_iotable[i]);
}