ignore SIGPIPE, as that can be actually get sent when we write to a socket

lib/url.c

@@ -206,84 +206,89 @@ CURLcode Curl_open(struct SessionHandle **curl)
 
   /* Very simple start-up: alloc the struct, init it with zeroes and return */
   data = (struct SessionHandle *)malloc(sizeof(struct SessionHandle));
-  if(data) {
-    memset(data, 0, sizeof(struct SessionHandle));
-
-    /* We do some initial setup here, all those fields that can't be just 0 */
-
-    data->state.headerbuff=(char*)malloc(HEADERSIZE);
-    if(!data->state.headerbuff) {
-      free(data); /* free the memory again */
-      return CURLE_OUT_OF_MEMORY;
-    }
-
-    data->state.headersize=HEADERSIZE;
-
-    data->set.out = stdout; /* default output to stdout */
-    data->set.in  = stdin;  /* default input from stdin */
-    data->set.err  = stderr;  /* default stderr to stderr */
+  if(!data)
+    /* this is a very serious error */
+    return CURLE_OUT_OF_MEMORY;
+  
+  memset(data, 0, sizeof(struct SessionHandle));
 
-    /* use fwrite as default function to store output */
-    data->set.fwrite = (curl_write_callback)fwrite;
+  /* We do some initial setup here, all those fields that can't be just 0 */
 
-    /* use fread as default function to read input */
-    data->set.fread = (curl_read_callback)fread;
+  data->state.headerbuff=(char*)malloc(HEADERSIZE);
+  if(!data->state.headerbuff) {
+    free(data); /* free the memory again */
+    return CURLE_OUT_OF_MEMORY;
+  }
 
-    /* set the default passwd function */
-    data->set.fpasswd = my_getpass;
+  data->state.headersize=HEADERSIZE;
 
-    data->set.infilesize = -1; /* we don't know any size */
+  data->set.out = stdout; /* default output to stdout */
+  data->set.in  = stdin;  /* default input from stdin */
+  data->set.err  = stderr;  /* default stderr to stderr */
+  
+  /* use fwrite as default function to store output */
+  data->set.fwrite = (curl_write_callback)fwrite;
 
-    data->state.current_speed = -1; /* init to negative == impossible */
+  /* use fread as default function to read input */
+  data->set.fread = (curl_read_callback)fread;
+  
+  /* set the default passwd function */
+  data->set.fpasswd = my_getpass;
 
-    data->set.httpreq = HTTPREQ_GET; /* Default HTTP request */
+  data->set.infilesize = -1; /* we don't know any size */
 
-    /* make libcurl quiet by default: */
-    data->set.hide_progress = TRUE;  /* CURLOPT_NOPROGRESS changes these */
-    data->progress.flags |= PGRS_HIDE;
+  data->state.current_speed = -1; /* init to negative == impossible */
 
-    /* Set the default size of the SSL session ID cache */
-    data->set.ssl.numsessions = 5;
+  data->set.httpreq = HTTPREQ_GET; /* Default HTTP request */
 
-    /* create an array with connection data struct pointers */
-    data->state.numconnects = 5; /* hard-coded right now */
-    data->state.connects = (struct connectdata **)
-      malloc(sizeof(struct connectdata *) * data->state.numconnects);
+  /* make libcurl quiet by default: */
+  data->set.hide_progress = TRUE;  /* CURLOPT_NOPROGRESS changes these */
+  data->progress.flags |= PGRS_HIDE;
 
-    if(!data->state.connects) {
-      free(data);
-      return CURLE_OUT_OF_MEMORY;
-    }
+  /* Set the default size of the SSL session ID cache */
+  data->set.ssl.numsessions = 5;
 
-    memset(data->state.connects, 0,
-           sizeof(struct connectdata *)*data->state.numconnects);
+  /* create an array with connection data struct pointers */
+  data->state.numconnects = 5; /* hard-coded right now */
+  data->state.connects = (struct connectdata **)
+    malloc(sizeof(struct connectdata *) * data->state.numconnects);
+  
+  if(!data->state.connects) {
+    free(data);
+    return CURLE_OUT_OF_MEMORY;
+  }
+  
+  memset(data->state.connects, 0,
+         sizeof(struct connectdata *)*data->state.numconnects);
 
-    *curl = data;
+  *curl = data;
 
-    /*************************************************************
-     * Set signal handler
-     *************************************************************/
+  /*************************************************************
+   * Set signal handler to catch SIGALRM
+   *************************************************************/
 #ifdef HAVE_SIGACTION
-    sigaction(SIGALRM, NULL, &sigact);
-    sigact.sa_handler = alarmfunc;
+  sigaction(SIGALRM, NULL, &sigact);
+  sigact.sa_handler = alarmfunc;
 #ifdef SA_RESTART
-    /* HPUX doesn't have SA_RESTART but defaults to that behaviour! */
-    sigact.sa_flags &= ~SA_RESTART;
+  /* HPUX doesn't have SA_RESTART but defaults to that behaviour! */
+  sigact.sa_flags &= ~SA_RESTART;
 #endif
-    sigaction(SIGALRM, &sigact, NULL);
+  sigaction(SIGALRM, &sigact, NULL);
 #else
-    /* no sigaction(), revert to the much lamer signal() */
+  /* no sigaction(), revert to the much lamer signal() */
 #ifdef HAVE_SIGNAL
-    signal(SIGALRM, alarmfunc);
+  signal(SIGALRM, alarmfunc);
 #endif
-
 #endif
 
-    return CURLE_OK;
-  }
-
-  /* this is a very serious error */
-  return CURLE_OUT_OF_MEMORY;
+  /*************************************************************
+   * Tell signal handler to ignore SIGPIPE
+   *************************************************************/
+#if defined(HAVE_SIGNAL) && defined(SIGPIPE)
+  (void) signal(SIGPIPE, SIG_IGN);
+#endif
+  
+  return CURLE_OK;
 }
 
 CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option, ...)