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-rw-r--r--src/include/c.h2
-rw-r--r--src/include/utils/pg_crc.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/include/c.h b/src/include/c.h
index 7396adbaa77..82acd14a9b4 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -478,7 +478,7 @@ typedef NameData *Name;
* PointerIsValid
* True iff pointer is valid.
*/
-#define PointerIsValid(pointer) ((void*)(pointer) != NULL)
+#define PointerIsValid(pointer) ((const void*)(pointer) != NULL)
/*
* PointerIsAligned
diff --git a/src/include/utils/pg_crc.h b/src/include/utils/pg_crc.h
index d5273d0f96c..0652c0ad3b8 100644
--- a/src/include/utils/pg_crc.h
+++ b/src/include/utils/pg_crc.h
@@ -40,7 +40,7 @@ typedef uint32 pg_crc32;
/* Accumulate some (more) bytes into a CRC */
#define COMP_CRC32(crc, data, len) \
do { \
- unsigned char *__data = (unsigned char *) (data); \
+ const unsigned char *__data = (const unsigned char *) (data); \
uint32 __len = (len); \
\
while (__len-- > 0) \