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-rw-r--r--erts/lib_src/common/erl_memory_trace_parser.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/erts/lib_src/common/erl_memory_trace_parser.c b/erts/lib_src/common/erl_memory_trace_parser.c
index 54c3dfadec..ebf7182913 100644
--- a/erts/lib_src/common/erl_memory_trace_parser.c
+++ b/erts/lib_src/common/erl_memory_trace_parser.c
@@ -368,12 +368,16 @@ emtp_state_destroy(emtp_state *statep)
#define GET_UI8(UI, BP) ((UI) = *((BP)++))
+#define SKIP_UI8(BP) ((BP)++)
+
#define GET_UI16(UI, BP) \
do { \
(UI) = ((( (usgnd_int_16) (BP)[0]) << 8) \
| ((usgnd_int_16) (BP)[1])); \
(BP) += UI16_SZ; \
} while(0)
+#define SKIP_UI16(BP) ((BP) += UI16_SZ)
+
#define GET_UI32(UI, BP) \
do { \
@@ -383,6 +387,7 @@ emtp_state_destroy(emtp_state *statep)
| ( (usgnd_int_32) (BP)[3])); \
(BP) += UI32_SZ; \
} while(0)
+#define SKIP_UI32(BP) ((BP) += UI32_SZ)
#define GET_UI64(UI, BP) \
do { \
@@ -396,6 +401,7 @@ emtp_state_destroy(emtp_state *statep)
| ( (usgnd_int_64) (BP)[7])); \
(BP) += UI64_SZ; \
} while(0)
+#define SKIP_UI64(BP) ((BP) += UI64_SZ)
#define GET_VSZ_UI16(UI, BP, MSB) \
do { \
@@ -1267,11 +1273,10 @@ parse_header(emtp_state *statep,
switch (statep->version.major) {
case 1: {
- usgnd_int_32 hdr_sz;
NEED(2*UI32_SZ + 2*UI16_SZ, trace_size);
GET_UI32(statep->flags, tracep);
- GET_UI32(hdr_sz, tracep); /* ignore this; may contain garbage! */
+ SKIP_UI32(tracep); /* ignore this; may contain garbage! */
GET_UI16(statep->max_allocator_ix, tracep);
GET_UI16(statep->max_block_type_ix, tracep);
@@ -1564,13 +1569,13 @@ parse_header(emtp_state *statep,
}
case ERTS_MT_BLOCK_TYPE_HDR_TAG: {
- usgnd_int_16 bt_ix, a_ix, btflgs;
+ usgnd_int_16 bt_ix, a_ix;
if (entry_sz
< UI8_SZ + 3*UI16_SZ + UI8_SZ + 0 + UI16_SZ)
ERROR(EMTP_PARSE_ERROR);
- GET_UI16(btflgs, c_p);
+ SKIP_UI16(c_p); /* bitflags */
GET_UI16(bt_ix, c_p);
if (bt_ix > statep->max_block_type_ix)
ERROR(EMTP_PARSE_ERROR);