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-rw-r--r--methods/rred.cc9
1 files changed, 5 insertions, 4 deletions
diff --git a/methods/rred.cc b/methods/rred.cc
index 2002da743..e2124fd05 100644
--- a/methods/rred.cc
+++ b/methods/rred.cc
@@ -336,7 +336,7 @@ class Patch {
FileChanges filechanges;
MemBlock add_text;
- static bool retry_fwrite(char *b, size_t l, FileFd &f, Hashes * const start_hash, Hashes * const end_hash = nullptr)
+ static bool retry_fwrite(char *b, size_t l, FileFd &f, Hashes * const start_hash, Hashes * const end_hash = nullptr) APT_NONNULL(1)
{
if (f.Write(b, l) == false)
return false;
@@ -386,8 +386,8 @@ class Patch {
}
}
- static void dump_mem(FileFd &o, char *p, size_t s, Hashes *hash) {
- retry_fwrite(p, s, o, hash);
+ static void dump_mem(FileFd &o, char *p, size_t s, Hashes *hash) APT_NONNULL(2) {
+ retry_fwrite(p, s, o, nullptr, hash);
}
public:
@@ -539,7 +539,8 @@ class Patch {
for (ch = filechanges.begin(); ch != filechanges.end(); ++ch) {
dump_lines(out, in, ch->offset, start_hash, end_hash);
skip_lines(in, ch->del_cnt, start_hash);
- dump_mem(out, ch->add, ch->add_len, end_hash);
+ if (ch->add_len != 0)
+ dump_mem(out, ch->add, ch->add_len, end_hash);
}
dump_rest(out, in, start_hash, end_hash);
out.Flush();