From b9c4c480d223e7f084a7f165a295872d78952fcd Mon Sep 17 00:00:00 2001
From: Robert James Kaes <rjkaes@users.sourceforge.net>
Date: Sun, 16 Sep 2001 20:11:07 +0000
Subject: Moved the safe_write() and safe_read() functions here.

---
 src/sock.c | 32 +++++++++++++++++++++++++++++++-
 src/sock.h |  5 ++++-
 2 files changed, 35 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/sock.c b/src/sock.c
index bea3bad..46e5170 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -1,4 +1,4 @@
-/* $Id: sock.c,v 1.7 2001-09-07 04:18:26 rjkaes Exp $
+/* $Id: sock.c,v 1.8 2001-09-16 20:11:07 rjkaes Exp $
  *
  * Sockets are created and destroyed here. When a new connection comes in from
  * a client, we need to copy the socket and the create a second socket to the
@@ -199,6 +199,36 @@ char *getpeer_string(int fd, char *string)
 	return string;
 }
 
+/*
+ * Write the buffer to the socket. If an EINTR occurs, pick up and try
+ * again.
+ */
+ssize_t safe_write(int fd, const void *buffer, size_t count)
+{
+	ssize_t len;
+
+	do {
+		len = write(fd, buffer, count);
+	} while (len < 0 && errno == EINTR);
+
+	return len;
+}
+
+/*
+ * Matched pair for safe_write(). If an EINTR occurs, pick up and try
+ * again.
+ */
+ssize_t safe_read(int fd, void *buffer, size_t count)
+{
+	ssize_t len;
+
+	do {
+		len = read(fd, buffer, count);
+	} while (len < 0 && errno == EINTR);
+
+	return len;
+}
+
 /*
  * Reads in a line of text one character at a time. Finishes when either a
  * newline is detected, or maxlen characters have been read. The function
diff --git a/src/sock.h b/src/sock.h
index 61b3fc0..93d97c4 100644
--- a/src/sock.h
+++ b/src/sock.h
@@ -1,4 +1,4 @@
-/* $Id: sock.h,v 1.4 2001-06-02 02:07:34 rjkaes Exp $
+/* $Id: sock.h,v 1.5 2001-09-16 20:11:07 rjkaes Exp $
  *
  * See 'sock.c' for a detailed description.
  *
@@ -37,6 +37,9 @@ extern int socket_blocking(int sock);
 extern char *getpeer_ip(int fd, char *ipaddr);
 extern char *getpeer_string(int fd, char *string);
 
+extern ssize_t safe_write(int fd, const void *buffer, size_t count);
+extern ssize_t safe_read(int fd, void *buffer, size_t count);
+
 extern ssize_t readline(int fd, char *ptr, size_t maxlen);
 
 #endif
-- 
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