libbb: remove unnecessary argument to nonblock_immune_read

The loop_on_EINTR argument to nonblock_immune_read is always set to 1.

function                                             old     new   delta
xmalloc_reads                                        200     195      -5
pgetc                                                488     483      -5
argstr                                              1313    1308      -5
nonblock_immune_read                                 123      86     -37
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-52)             Total: -52 bytes

Signed-off-by: Ron Yorston <rmy@tigress.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/libbb/read_printf.c b/libbb/read_printf.c
index 5ed6e36..b6a17cc 100644
--- a/libbb/read_printf.c
+++ b/libbb/read_printf.c
@@ -45,20 +45,20 @@
  * which detects EAGAIN and uses poll() to wait on the fd.
  * Thankfully, poll() doesn't care about O_NONBLOCK flag.
  */
-ssize_t FAST_FUNC nonblock_immune_read(int fd, void *buf, size_t count, int loop_on_EINTR)
+ssize_t FAST_FUNC nonblock_immune_read(int fd, void *buf, size_t count)
 {
 	struct pollfd pfd[1];
 	ssize_t n;
 
 	while (1) {
-		n = loop_on_EINTR ? safe_read(fd, buf, count) : read(fd, buf, count);
+		n = safe_read(fd, buf, count);
 		if (n >= 0 || errno != EAGAIN)
 			return n;
 		/* fd is in O_NONBLOCK mode. Wait using poll and repeat */
 		pfd[0].fd = fd;
 		pfd[0].events = POLLIN;
 		/* note: safe_poll pulls in printf */
-		loop_on_EINTR ? safe_poll(pfd, 1, -1) : poll(pfd, 1, -1);
+		safe_poll(pfd, 1, -1);
 	}
 }
 
@@ -81,7 +81,7 @@ char* FAST_FUNC xmalloc_reads(int fd, size_t *maxsz_p)
 			p = buf + sz;
 			sz += 128;
 		}
-		if (nonblock_immune_read(fd, p, 1, /*loop_on_EINTR:*/ 1) != 1) {
+		if (nonblock_immune_read(fd, p, 1) != 1) {
 			/* EOF/error */
 			if (p == buf) { /* we read nothing */
 				free(buf);