Changed name of member errno to errorno since some systems

[egate.git] / util / gip.c

diff --git a/util/gip.c b/util/gip.c
index b67a856..b1a5195 100644 (file)
--- a/util/gip.c
+++ b/util/gip.c
@@ -1,8 +1,74 @@
+/*
+ * Copyright (c) 1995, the EUROPAGATE consortium (see below).
+ *
+ * The EUROPAGATE consortium members are:
+ *
+ *    University College Dublin
+ *    Danmarks Teknologiske Videnscenter
+ *    An Chomhairle Leabharlanna
+ *    Consejo Superior de Investigaciones Cientificas
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation, in whole or in part, for any purpose, is hereby granted,
+ * provided that:
+ *
+ * 1. This copyright and permission notice appear in all copies of the
+ * software and its documentation. Notices of copyright or attribution
+ * which appear at the beginning of any file must remain unchanged.
+ *
+ * 2. The names of EUROPAGATE or the project partners may not be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * 3. Users of this software (implementors and gateway operators) agree to
+ * inform the EUROPAGATE consortium of their use of the software. This
+ * information will be used to evaluate the EUROPAGATE project and the
+ * software, and to plan further developments. The consortium may use
+ * the information in later publications.
+ * 
+ * 4. Users of this software agree to make their best efforts, when
+ * documenting their use of the software, to acknowledge the EUROPAGATE
+ * consortium, and the role played by the software in their work.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
+ * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
+ * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
+ * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
+ * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
 /* Gateway kernel
  * Europagate, 1995
  *
  * $Log: gip.c,v $
- * Revision 1.2  1995/03/27 12:52:18  adam
+ * Revision 1.9  1997/12/15 15:04:18  adam
+ * Changed name of member errno to errorno since some systems
+ * defines error as a preprocessor variable.
+ *
+ * Revision 1.8  1995/05/22 09:03:41  adam
+ * New argument, block, to cs_open.
+ *
+ * Revision 1.7  1995/05/16  09:40:52  adam
+ * LICENSE.
+ *
+ * Revision 1.6  1995/05/02  15:26:52  adam
+ * EINTR obvserved on reads and writes.
+ *
+ * Revision 1.5  1995/05/01  16:27:28  adam
+ * Various improvements. Close-on-exec and close on failure on either
+ * read or write FIFO.
+ *
+ * Revision 1.4  1995/04/21  16:38:07  adam
+ * Added more debugging logs.
+ *
+ * Revision 1.3  1995/04/20  15:12:42  adam
+ * Minor hacks really.
+ *
+ * Revision 1.2  1995/03/27  12:52:18  adam
  * A little more verbose in marc dump.
  *
  * Revision 1.1  1995/03/27  08:24:58  adam
@@ -21,6 +87,8 @@
 #include <sys/stat.h>
 #include <errno.h>
 
+#include <gw-log.h>
+
 #include <gip.h>
 
 GIP gip_initialize (const char *name)
@@ -36,7 +104,9 @@ GIP gip_initialize (const char *name)
     }
     strcpy (gip->name, name);
     gip->ret = mknod (gip->name, S_IFIFO|0666, 0);
-    gip->errno = errno;
+    gip->errorno = errno;
+    gip->rfd = gip->wfd = -1;
+    gw_log (GW_LOG_DEBUG, "gip", "Creating %s", gip->name);
     return gip;
 }
 
@@ -44,6 +114,7 @@ int gip_destroy (GIP gip)
 {
     assert (gip);
 
+    unlink (gip->name);
     free (gip->name);
     free (gip);
     return 0;
@@ -54,9 +125,14 @@ int gip_infileno (GIP gip)
     return gip->rfd;
 }
 
+int gip_outfileno (GIP gip)
+{
+    return gip->wfd;
+}
+
 int gip_errno (GIP gip)
 {
-    return gip->errno;
+    return gip->errorno;
 }
 
 int gip_read (GIP gip, char *buf, size_t count)
@@ -64,12 +140,17 @@ int gip_read (GIP gip, char *buf, size_t count)
     int r, no = 0;
     while (no < count)
     {
-        r = read (gip->rfd, buf+no, count-no);
-       if (r == -1)
-       {
-           gip->errno = errno;
-           return -1;
-       }
+        while (1)
+        {
+            r = read (gip->rfd, buf+no, count-no);
+            if (r != -1)
+                break;
+            if (errno != EINTR)
+            {
+                gip->errorno = errno;
+                return -1;
+            }
+        }
        no += r;
     }
     return 0;
@@ -80,11 +161,16 @@ int gip_write (GIP gip, const char *buf, size_t count)
     int r, no = 0;
     while (no < count)
     {
-        r = write (gip->wfd, buf+no, count-no);
-       if (r == -1)
-       {
-           gip->errno = errno;
-           return -1;
+        while (1)
+        {
+            r = write (gip->wfd, buf+no, count-no);
+            if (r != -1)
+                break;
+            if (errno != EINTR)
+            {
+                gip->errorno = errno;
+                return -1;
+            }
        }
        no += r;
     }