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authorRobert James Kaes <rjkaes@users.sourceforge.net>2001-09-16 20:11:07 +0000
committerRobert James Kaes <rjkaes@users.sourceforge.net>2001-09-16 20:11:07 +0000
commitb9c4c480d223e7f084a7f165a295872d78952fcd (patch)
treeb850911b6c022a12d531504768113d2a9bbab5b6
parent08baf6b01bca04f4612109a57824516e45e2e727 (diff)
Moved the safe_write() and safe_read() functions here.
-rw-r--r--src/sock.c32
-rw-r--r--src/sock.h5
2 files changed, 35 insertions, 2 deletions
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
@@ -200,6 +200,36 @@ char *getpeer_string(int fd, char *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
* will actually copy one less than maxlen into the buffer. In other words,
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