journal-remote: avoid copying input data

[elogind.git] / src / journal-remote / journal-remote-write.c

diff --git a/src/journal-remote/journal-remote-write.c b/src/journal-remote/journal-remote-write.c
index cdd06f9effc25a9238eb289e1b9121010304fbb4..bec4cb1f7b9f640337dac473e9cccdf3b3baf7e9 100644 (file)
--- a/src/journal-remote/journal-remote-write.c
+++ b/src/journal-remote/journal-remote-write.c
@@ -31,8 +31,6 @@ int iovw_put(struct iovec_wrapper *iovw, void* data, size_t len) {
 }
 
 void iovw_free_contents(struct iovec_wrapper *iovw) {
-        for (size_t j = 0; j < iovw->count; j++)
-                free(iovw->iovec[j].iov_base);
         free(iovw->iovec);
         iovw->iovec = NULL;
         iovw->size_bytes = iovw->count = 0;
@@ -41,12 +39,19 @@ void iovw_free_contents(struct iovec_wrapper *iovw) {
 size_t iovw_size(struct iovec_wrapper *iovw) {
         size_t n = 0, i;
 
-        for(i = 0; i < iovw->count; i++)
+        for (i = 0; i < iovw->count; i++)
                 n += iovw->iovec[i].iov_len;
 
         return n;
 }
 
+void iovw_rebase(struct iovec_wrapper *iovw, char *old, char *new) {
+        size_t i;
+
+        for (i = 0; i < iovw->count; i++)
+                iovw->iovec[i].iov_base = (char*) iovw->iovec[i].iov_base - old + new;
+}
+
 /**********************************************************************
  **********************************************************************
  **********************************************************************/