Rename SAFEALIGN macros.

https://fedorahosted.org/sssd/ticket/1772

SAFEALIGN macros have been renamed in this patch to
make it easy to pick the right macro when data is copied
from byte buffer to a variable or vice versa.

The renamed macros are placed in new header file to
avoid code duplication (the old ones were defined in
two files, one for the client code and one for the rest
of sssd).

1 files changed, 1 insertions, 61 deletions

diff --git a/src/util/util.h b/src/util/util.h
index 49dc850c..fa45fdfd 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -45,6 +45,7 @@
 
 #include "util/atomic_io.h"
 #include "util/util_errors.h"
+#include "util/util_safealign.h"
 
 #define _(STRING) gettext (STRING)
 
@@ -270,67 +271,6 @@ errno_t set_debug_file_from_fd(const int fd);
 #define OUT_OF_ID_RANGE(id, min, max) \
     (id == 0 || (min && (id < min)) || (max && (id > max)))
 
-#define SIZE_T_MAX ((size_t) -1)
-
-#define SIZE_T_OVERFLOW(current, add) \
-                        (((size_t)(add)) > (SIZE_T_MAX - ((size_t)(current))))
-
-static inline void
-safealign_memcpy(void *dest, const void *src, size_t n, size_t *counter)
-{
-    memcpy(dest, src, n);
-    if (counter) {
-        *counter += n;
-    }
-}
-
-#define SAFEALIGN_SET_VALUE(dest, value, type, pctr) do { \
-    type CV_MACRO_val = (type)(value); \
-    safealign_memcpy(dest, &CV_MACRO_val, sizeof(type), pctr); \
-} while(0)
-
-#define SAFEALIGN_COPY_INT64(dest, src, pctr) \
-    safealign_memcpy(dest, src, sizeof(int64_t), pctr)
-
-#define SAFEALIGN_SET_INT64(dest, value, pctr) \
-    SAFEALIGN_SET_VALUE(dest, value, int64_t, pctr)
-
-#define SAFEALIGN_COPY_UINT32(dest, src, pctr) \
-    safealign_memcpy(dest, src, sizeof(uint32_t), pctr)
-
-#define SAFEALIGN_SET_UINT32(dest, value, pctr) \
-    SAFEALIGN_SET_VALUE(dest, value, uint32_t, pctr)
-
-#define SAFEALIGN_COPY_INT32(dest, src, pctr) \
-    safealign_memcpy(dest, src, sizeof(int32_t), pctr)
-
-#define SAFEALIGN_SET_INT32(dest, value, pctr) \
-    SAFEALIGN_SET_VALUE(dest, value, int32_t, pctr)
-
-#define SAFEALIGN_COPY_UINT16(dest, src, pctr) \
-    safealign_memcpy(dest, src, sizeof(uint16_t), pctr)
-
-#define SAFEALIGN_SET_UINT16(dest, value, pctr) \
-    SAFEALIGN_SET_VALUE(dest, value, uint16_t, pctr)
-
-#define SAFEALIGN_COPY_UINT32_CHECK(dest, src, len, pctr) do { \
-    if ((*(pctr) + sizeof(uint32_t)) > (len) || \
-        SIZE_T_OVERFLOW(*(pctr), sizeof(uint32_t))) return EINVAL; \
-    safealign_memcpy(dest, src, sizeof(uint32_t), pctr); \
-} while(0)
-
-#define SAFEALIGN_COPY_INT32_CHECK(dest, src, len, pctr) do { \
-    if ((*(pctr) + sizeof(int32_t)) > (len) || \
-        SIZE_T_OVERFLOW(*(pctr), sizeof(int32_t))) return EINVAL; \
-    safealign_memcpy(dest, src, sizeof(int32_t), pctr); \
-} while(0)
-
-#define SAFEALIGN_COPY_UINT16_CHECK(dest, src, len, pctr) do { \
-    if ((*(pctr) + sizeof(uint16_t)) > (len) || \
-        SIZE_T_OVERFLOW(*(pctr), sizeof(uint16_t))) return EINVAL; \
-    safealign_memcpy(dest, src, sizeof(uint16_t), pctr); \
-} while(0)
-
 #include "util/dlinklist.h"
 
 /* From debug.c */