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Imported from ../bash-2.05a.tar.gz.

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This commit is contained in:
Jari Aalto 2001-11-13 17:56:06 +00:00
commit f73dda092b
303 changed files with 37069 additions and 28812 deletions
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31
lib/sh/zread.c
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@ -36,13 +36,13 @@ extern int errno;
/* Read LEN bytes from FD into BUF. Retry the read on EINTR. Any other
error causes the loop to break. */
int
ssize_t
zread (fd, buf, len)
int fd;
char *buf;
size_t len;
{
int r;
ssize_t r;
while ((r = read (fd, buf, len)) < 0 && errno == EINTR)
;
@ -57,13 +57,14 @@ zread (fd, buf, len)
#endif
#define NUM_INTR 3
int
ssize_t
zread1 (fd, buf, len)
int fd;
char *buf;
size_t len;
{
int r, nintr;
ssize_t r;
int nintr;
for (nintr = 0; ; )
{
@ -84,25 +85,29 @@ zread1 (fd, buf, len)
in read(2). This does some local buffering to avoid many one-character
calls to read(2), like those the `read' builtin performs. */
static unsigned char lbuf[128];
static int lind, lused;
static char lbuf[128];
static size_t lind, lused;
int
ssize_t
zreadc (fd, cp)
int fd;
char *cp;
{
int r;
ssize_t nr;
if (lind == lused || lused == 0)
{
lused = zread (fd, lbuf, sizeof (lbuf));
nr = zread (fd, lbuf, sizeof (lbuf));
lind = 0;
if (lused <= 0)
return (lused);
if (nr <= 0)
{
lused = 0;
return nr;
}
lused = nr;
}
if (cp)
*cp = (char)lbuf[lind++];
*cp = lbuf[lind++];
return 1;
}
@ -118,7 +123,7 @@ void
zsyncfd (fd)
int fd;
{
int off;
off_t off;
off = lused - lind;
if (off > 0)