enomem: log function name

xmppipe occasionally crashes with an "allocation failure" message. Log
the function name for debugging.

src/xmppipe_util.c

@@ -52,7 +52,7 @@ xmppipe_strdup(const char *s)
 
     buf = strdup(s);
     if (buf == NULL)
-        err(3, "allocation failure");
+        err(3, "xmppipe_strdup");
 
     return buf;
 }
@@ -67,7 +67,7 @@ xmppipe_malloc(size_t size)
 
     buf = malloc(size);
     if (buf == NULL)
-        err(3, "allocation failure");
+        err(3, "xmppipe_malloc");
 
     return buf;
 }
@@ -79,7 +79,7 @@ xmppipe_calloc(size_t nmemb, size_t size)
 
     buf = calloc(nmemb, size);
     if (buf == NULL)
-        err(3, "allocation failure");
+        err(3, "xmppipe_calloc");
 
     return buf;
 }
@@ -90,7 +90,7 @@ xmppipe_stanza_new(xmpp_ctx_t *ctx)
     xmpp_stanza_t *s = xmpp_stanza_new(ctx);
 
     if (s == NULL)
-        err(3, "allocation failure");
+        err(3, "xmppipe_stanza_new");
 
     return s;
 }
@@ -100,14 +100,14 @@ xmppipe_stanza_set_attribute(xmpp_stanza_t * const stanza,
         const char * const key, const char * const value)
 {
     if (xmpp_stanza_set_attribute(stanza, key, value) < 0)
-        err(3, "allocation failure");
+        err(3, "xmppipe_stanza_set_attribute");
 }
 
     void
 xmppipe_stanza_set_id(xmpp_stanza_t * const stanza, const char * const id)
 {
     if (xmpp_stanza_set_id(stanza, id) < 0)
-        err(3, "allocation failure");
+        err(3, "xmppipe_stanza_set_id");
 }
 
     void
@@ -117,7 +117,7 @@ xmppipe_stanza_set_name(xmpp_stanza_t *stanza, const char * const name)
         case 0:
             return;
         case XMPP_EMEM:
-            err(3, "allocation failure");
+            err(3, "xmppipe_stanza_set_name");
         case XMPP_EINVOP:
             err(4, "invalid operation");
         default:
@@ -129,28 +129,28 @@ xmppipe_stanza_set_name(xmpp_stanza_t *stanza, const char * const name)
 xmppipe_stanza_set_ns(xmpp_stanza_t * const stanza, const char * const ns)
 {
     if (xmpp_stanza_set_ns(stanza, ns) < 0)
-        err(3, "allocation failure");
+        err(3, "xmppipe_stanza_set_ns");
 }
 
     void
 xmppipe_stanza_set_text(xmpp_stanza_t *stanza, const char * const text)
 {
     if (xmpp_stanza_set_text(stanza, text) < 0)
-        err(3, "allocation failure");
+        err(3, "xmppipe_stanza_set_text");
 }
 
     void
 xmppipe_stanza_set_type(xmpp_stanza_t * const stanza, const char * const type)
 {
     if (xmpp_stanza_set_type(stanza, type) < 0)
-        err(3, "allocation failure");
+        err(3, "xmppipe_stanza_set_type");
 }
 
     void
 xmppipe_stanza_add_child(xmpp_stanza_t * stanza, xmpp_stanza_t * child)
 {
     if (xmpp_stanza_add_child(stanza, child) < 0)
-        err(3, "allocation failure");
+        err(3, "xmppipe_stanza_add_child");
 }
 
     char *