Automatic date update in version.in

[binutils.git] / libctf / ctf-string.c

diff --git a/libctf/ctf-string.c b/libctf/ctf-string.c
index 9f0e5400141a5cdc68dc0959782a082bf35cfac3..936307cf6e564985674d3530c50f68822143e1f9 100644 (file)
--- a/libctf/ctf-string.c
+++ b/libctf/ctf-string.c
@@ -1,5 +1,5 @@
 /* CTF string table management.
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This file is part of libctf.
 
@@ -19,6 +19,7 @@
 
 #include <ctf-impl.h>
 #include <string.h>
+#include <assert.h>
 
 /* Convert an encoded CTF string name into a pointer to a C string, using an
   explicit internal strtab rather than the fp-based one.  */
@@ -228,6 +229,7 @@ ctf_str_add_ref_internal (ctf_dict_t *fp, const char *str,
   free (atom);
   free (aref);
   free (newstr);
+  ctf_set_errno (fp, ENOMEM);
   return NULL;
 }
 
@@ -288,6 +290,21 @@ ctf_str_add_pending (ctf_dict_t *fp, const char *str, uint32_t *ref)
   return atom->csa_offset;
 }
 
+/* Note that a pending ref now located at NEW_REF has moved by BYTES bytes.  */
+int
+ctf_str_move_pending (ctf_dict_t *fp, uint32_t *new_ref, ptrdiff_t bytes)
+{
+  if (bytes == 0)
+    return 0;
+
+  if (ctf_dynset_insert (fp->ctf_str_pending_ref, (void *) new_ref) < 0)
+    return (ctf_set_errno (fp, ENOMEM));
+
+  ctf_dynset_remove (fp->ctf_str_pending_ref,
+                    (void *) ((signed char *) new_ref - bytes));
+  return 0;
+}
+
 /* Add an external strtab reference at OFFSET.  Returns zero if the addition
    failed, nonzero otherwise.  */
 int