*/
#include "funcattrs.h"
#include "netdissect.h"
-#include "diag-control.h"
/*
* If we have versions of GCC or Clang that support an __attribute__
* cast the pointer to point to one of those, and fetch through it;
* the GCC manual doesn't appear to explicitly say that
* __attribute__((packed)) causes the compiler to generate unaligned-safe
- * code, but it apppears to do so.
+ * code, but it appears to do so.
*
* We do this in case the compiler can generate code using those
* instructions to do an unaligned load and pass stuff to "ntohs()" or
* quantities the hard way - fetch the bytes one at a time and
* assemble them.
*
- * XXX - ARM is a special case. ARMv1 through ARMv5 didn't suppory
+ * XXX - ARM is a special case. ARMv1 through ARMv5 didn't support
* unaligned loads; ARMv6 and later support it *but* have a bit in
* the system control register that the OS can set and that causes
* unaligned loads to fault rather than succeeding.
((uint64_t)(*((const uint8_t *)(p) + 2)) << 16) | \
((uint64_t)(*((const uint8_t *)(p) + 3)) << 8) | \
((uint64_t)(*((const uint8_t *)(p) + 4)) << 0))) : \
- ((int64_t)(INT64_T_CONSTANT(0xFFFFFF0000000000U) | \
+ ((int64_t)(UINT64_C(0xFFFFFF0000000000) | \
((uint64_t)(*((const uint8_t *)(p) + 0)) << 32) | \
((uint64_t)(*((const uint8_t *)(p) + 1)) << 24) | \
((uint64_t)(*((const uint8_t *)(p) + 2)) << 16) | \
((uint64_t)(*((const uint8_t *)(p) + 3)) << 16) | \
((uint64_t)(*((const uint8_t *)(p) + 4)) << 8) | \
((uint64_t)(*((const uint8_t *)(p) + 5)) << 0))) : \
- ((int64_t)(INT64_T_CONSTANT(0xFFFFFFFF00000000U) | \
+ ((int64_t)(UINT64_C(0xFFFFFFFF00000000) | \
((uint64_t)(*((const uint8_t *)(p) + 0)) << 40) | \
((uint64_t)(*((const uint8_t *)(p) + 1)) << 32) | \
((uint64_t)(*((const uint8_t *)(p) + 2)) << 24) | \
((uint64_t)(*((const uint8_t *)(p) + 4)) << 16) | \
((uint64_t)(*((const uint8_t *)(p) + 5)) << 8) | \
((uint64_t)(*((const uint8_t *)(p) + 6)) << 0))) : \
- ((int64_t)(INT64_T_CONSTANT(0xFFFFFFFFFF000000U) | \
+ ((int64_t)(UINT64_C(0xFFFFFFFFFF000000) | \
((uint64_t)(*((const uint8_t *)(p) + 0)) << 48) | \
((uint64_t)(*((const uint8_t *)(p) + 1)) << 40) | \
((uint64_t)(*((const uint8_t *)(p) + 2)) << 32) | \
#define ND_TTEST_16(p) ND_TTEST_LEN((p), 16)
#define ND_TCHECK_16(p) ND_TCHECK_LEN((p), 16)
-static inline NORETURN void
-nd_trunc_longjmp(netdissect_options *ndo)
-{
- longjmp(ndo->ndo_early_end, ND_TRUNCATED);
-#ifdef _AIX
- /*
- * In AIX <setjmp.h> decorates longjmp() with "#pragma leaves", which tells
- * XL C that the function is noreturn, but GCC remains unaware of that and
- * yields a "'noreturn' function does return" warning.
- */
- ND_UNREACHABLE
-#endif /* _AIX */
-}
-
/* get_u_1 and get_s_1 */
static inline uint8_t
return EXTRACT_HE_S_4(p);
}
+/* get_be_f_N */
+
+static inline float
+get_be_f_4(netdissect_options *ndo, const u_char *p)
+{
+ union { /* int to float conversion buffer */
+ float f;
+ uint32_t i;
+ } buf;
+
+ if (!ND_TTEST_4(p))
+ nd_trunc_longjmp(ndo);
+ buf.i = EXTRACT_BE_U_4(p);
+ return buf.f;
+}
+
+static inline double
+get_be_f_8(netdissect_options *ndo, const u_char *p)
+{
+ union { /* int to float conversion buffer */
+ double f;
+ uint64_t i;
+ } buf;
+
+ if (!ND_TTEST_8(p))
+ nd_trunc_longjmp(ndo);
+ buf.i = EXTRACT_BE_U_8(p);
+ return buf.f;
+}
+
/* get_le_u_N */
static inline uint16_t
#define GET_BE_S_7(p) get_be_s_7(ndo, (const u_char *)(p))
#define GET_BE_S_8(p) get_be_s_8(ndo, (const u_char *)(p))
+#define GET_BE_F_4(p) get_be_f_4(ndo, (const u_char *)(p))
+#define GET_BE_F_8(p) get_be_f_8(ndo, (const u_char *)(p))
+
#define GET_HE_U_2(p) get_he_u_2(ndo, (const u_char *)(p))
#define GET_HE_U_4(p) get_he_u_4(ndo, (const u_char *)(p))