fr_dbuff_extend_lowat() returns a length, it never returns 0

diff --git a/src/lib/util/dbuff.h b/src/lib/util/dbuff.h
index 2124bed598ed478f947d2b52c8a46a044b9f518d..93dce277b5831df751f772400bf60dffafcccc06 100644 (file)
--- a/src/lib/util/dbuff.h
+++ b/src/lib/util/dbuff.h
@@ -847,7 +847,7 @@ static inline size_t _fr_dbuff_memcpy_in_partial(fr_dbuff_t *dbuff, uint8_t cons
 {
        fr_assert(!dbuff->is_const);
 
-       if (fr_dbuff_extend_lowat(NULL, dbuff, inlen) == 0) inlen = fr_dbuff_remaining(dbuff);
+       if (fr_dbuff_extend_lowat(NULL, dbuff, inlen) < inlen) inlen = fr_dbuff_remaining(dbuff);
 
        memcpy(dbuff->p, in, inlen);
 
@@ -860,7 +860,7 @@ static inline size_t _fr_dbuff_memcpy_in_dbuff_partial(fr_dbuff_t *dbuff, fr_dbu
 
        if (inlen > fr_dbuff_remaining(in)) inlen = fr_dbuff_remaining(in);
 
-       if (fr_dbuff_extend_lowat(NULL, dbuff, inlen) == 0) inlen = fr_dbuff_remaining(dbuff);
+       if (fr_dbuff_extend_lowat(NULL, dbuff, inlen) < inlen) inlen = fr_dbuff_remaining(dbuff);
 
        (void)_fr_dbuff_memcpy_in(dbuff, in->p, inlen);