From 08d4822dd22465da4a452484780b285a93192fce Mon Sep 17 00:00:00 2001 From: Patrik Nyblom Date: Fri, 11 Nov 2011 15:58:42 +0100 Subject: Remove remaining gcc 4.6 assigned-but-not-used warnings from erts --- erts/emulator/beam/beam_emu.c | 4 ++-- erts/emulator/beam/beam_load.c | 2 +- erts/emulator/beam/big.c | 12 +++++++----- erts/emulator/beam/copy.c | 2 +- erts/emulator/beam/erl_db.c | 24 +++++++++++++++++++++--- erts/emulator/beam/erl_unicode.c | 16 ++++++++++------ erts/emulator/beam/io.c | 6 +++--- erts/emulator/beam/utils.c | 10 +++++----- erts/emulator/drivers/common/efile_drv.c | 16 ++++++++++++---- erts/emulator/drivers/common/inet_drv.c | 5 +++-- erts/emulator/sys/common/erl_mseg.c | 14 ++++++++++++-- erts/lib_src/common/erl_memory_trace_parser.c | 13 +++++++++---- 12 files changed, 86 insertions(+), 38 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 9c5450bd48..c106e23432 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -1057,7 +1057,7 @@ void process_main(void) Process* c_p = NULL; int reds_used; #ifdef DEBUG - Eterm pid; + ERTS_DECLARE_DUMMY(Eterm pid); #endif /* @@ -1165,7 +1165,7 @@ void process_main(void) c_p = schedule(c_p, reds_used); ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); #ifdef DEBUG - pid = c_p->id; + pid = c_p->id; /* Save for debugging purpouses */ #endif ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); PROCESS_MAIN_CHK_LOCKS(c_p); diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 3836f1ae96..69623832c7 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -1416,7 +1416,7 @@ static int read_line_table(LoaderState* stp) { unsigned version; - unsigned flags; + ERTS_DECLARE_DUMMY(unsigned flags); int num_line_items; BeamInstr* lp; int i; diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index b90ea6b478..46db9ca99c 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -310,12 +310,12 @@ #define DREM(a1,a0,b,r) do { \ ErtsDigit __a1 = (a1); \ ErtsDigit __b = (b); \ - ErtsDigit __q0; \ + ERTS_DECLARE_DUMMY(ErtsDigit __q0); \ DDIVREM((__a1 % __b), (a0), __b, __q0, r); \ } while(0) #define DDIV(a1,a0,b,q) do { \ - ErtsDigit _tmp; \ + ERTS_DECLARE_DUMMY(ErtsDigit _tmp); \ DDIVREM(a1,a0,b,q,_tmp); \ } while(0) @@ -413,8 +413,8 @@ } while(0) #define DDIV2(a1,a0,b1,b0,q) do { \ - ErtsDigit _tmp_r1; \ - ErtsDigit _tmp_r0; \ + ERTS_DECLARE_DUMMY(ErtsDigit _tmp_r1); \ + ERTS_DECLARE_DUMMY(ErtsDigit _tmp_r0); \ D2DIVREM(a1,a0,b1,b0,q,_tmp_r1,_tmp_r0); \ } while(0) @@ -810,7 +810,9 @@ static dsize_t D_div(ErtsDigit* x, dsize_t xl, ErtsDigit d, ErtsDigit* q, ErtsDi } do { - ErtsDigit q0, a0, b1, b0, b; + ErtsDigit q0, a0, b0; + ERTS_DECLARE_DUMMY(ErtsDigit b); + ERTS_DECLARE_DUMMY(ErtsDigit b1); if (d > a1) { a0 = *xp; diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c index 90201f3a90..1d968fb147 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -134,7 +134,7 @@ Uint size_object(Eterm obj) case SUB_BINARY_SUBTAG: { Eterm real_bin; - Uint offset; /* Not used. */ + ERTS_DECLARE_DUMMY(Uint offset); /* Not used. */ Uint bitsize; Uint bitoffs; Uint extra_bytes; diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 0079c13287..38b4a2d460 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -1298,7 +1298,10 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) UWord heir_data; Uint32 status; Sint keypos; - int is_named, is_fine_locked, frequent_read, is_compressed; + int is_named, is_compressed; +#ifdef ERTS_SMP + int is_fine_locked, frequent_read; +#endif #ifdef DEBUG int cret; #endif @@ -1316,8 +1319,10 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) status = DB_NORMAL | DB_SET | DB_PROTECTED; keypos = 1; is_named = 0; +#ifdef ERTS_SMP is_fine_locked = 0; frequent_read = 0; +#endif heir = am_none; heir_data = (UWord) am_undefined; is_compressed = erts_ets_always_compress; @@ -1346,18 +1351,31 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) keypos = signed_val(tp[2]); } else if (tp[1] == am_write_concurrency) { +#ifdef ERTS_SMP if (tp[2] == am_true) { is_fine_locked = 1; } else if (tp[2] == am_false) { is_fine_locked = 0; } else break; +#else + if ((tp[2] != am_true) && (tp[2] != am_false)) { + break; + } +#endif } else if (tp[1] == am_read_concurrency) { +#ifdef ERTS_SMP if (tp[2] == am_true) { frequent_read = 1; } else if (tp[2] == am_false) { frequent_read = 0; } else break; +#else + if ((tp[2] != am_true) && (tp[2] != am_false)) { + break; + } +#endif + } else if (tp[1] == am_heir && tp[2] == am_none) { heir = am_none; @@ -1397,11 +1415,11 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) } if (IS_HASH_TABLE(status)) { meth = &db_hash; - #ifdef ERTS_SMP +#ifdef ERTS_SMP if (is_fine_locked && !(status & DB_PRIVATE)) { status |= DB_FINE_LOCKED; } - #endif +#endif } else if (IS_TREE_TABLE(status)) { meth = &db_tree; diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c index fca785a4de..6d5eae73b0 100644 --- a/erts/emulator/beam/erl_unicode.c +++ b/erts/emulator/beam/erl_unicode.c @@ -227,8 +227,8 @@ static ERTS_INLINE int simple_loops_to_common(int cost) static Sint aligned_binary_size(Eterm binary) { - unsigned char *bytes; - Uint bitoffs; + ERTS_DECLARE_DUMMY(unsigned char *bytes); + ERTS_DECLARE_DUMMY(Uint bitoffs); Uint bitsize; ERTS_GET_BINARY_BYTES(binary, bytes, bitoffs, bitsize); @@ -894,7 +894,9 @@ static BIF_RETTYPE build_utf8_return(Process *p,Eterm bin,int pos, static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3) { +#ifdef DEBUG Eterm *real_bin; +#endif byte* bytes; Eterm rest_term; int left, sleft; @@ -908,8 +910,10 @@ static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3) /*erts_printf("Trap %T!\r\n",BIF_ARG_2);*/ ASSERT(is_binary(BIF_ARG_1)); +#ifdef DEBUG real_bin = binary_val(BIF_ARG_1); ASSERT(*real_bin == HEADER_PROC_BIN); +#endif pos = (int) binary_size(BIF_ARG_1); bytes = binary_bytes(BIF_ARG_1); sleft = left = allowed_iterations(BIF_P); @@ -1719,7 +1723,7 @@ static BIF_RETTYPE do_bif_utf8_to_list(Process *p, if (b_sz) { ErlSubBin *sb; Eterm orig; - Uint offset; + ERTS_DECLARE_DUMMY(Uint offset); ASSERT(state != ERTS_UTF8_OK); hp = HAlloc(p, ERL_SUB_BIN_SIZE); sb = (ErlSubBin *) hp; @@ -2566,11 +2570,11 @@ BIF_RETTYPE prim_file_internal_native2name_1(BIF_ALIST_1) BIF_RETTYPE prim_file_internal_normalize_utf8_1(BIF_ALIST_1) { - Eterm real_bin; - Uint offset; + ERTS_DECLARE_DUMMY(Eterm real_bin); + ERTS_DECLARE_DUMMY(Uint offset); Uint size,num_chars; Uint bitsize; - Uint bitoffs; + ERTS_DECLARE_DUMMY(Uint bitoffs); Eterm ret; byte *temp_alloc = NULL; byte *bytes; diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index fff720634d..132dc78515 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -952,7 +952,7 @@ io_list_to_vec(Eterm obj, /* io-list */ do { \ int _size = binary_size(obj); \ Eterm _real; \ - Uint _offset; \ + ERTS_DECLARE_DUMMY(Uint _offset); \ int _bitoffs; \ int _bitsize; \ ERTS_GET_REAL_BIN(obj, _real, _offset, _bitoffs, _bitsize); \ @@ -2171,8 +2171,8 @@ erts_port_control(Process* p, Port* prt, Uint command, Eterm iolist) * and with its length in to_len. */ if (is_binary(iolist) && binary_bitoffset(iolist) == 0) { - Uint bitoffs; - Uint bitsize; + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); ERTS_GET_BINARY_BYTES(iolist, to_port, bitoffs, bitsize); to_len = binary_size(iolist); } else { diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 1bd178f280..e4ad7dcb24 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -2955,14 +2955,14 @@ Eterm buf_to_intlist(Eterm** hpp, char *buf, int len, Eterm tail) { Eterm* hp = *hpp; + int i = len - 1; - buf += (len-1); - while(len > 0) { - tail = CONS(hp, make_small((byte)*buf), tail); + while(i >= 0) { + tail = CONS(hp, make_small((Uint)(byte)buf[i]), tail); hp += 2; - buf--; - len--; + --i; } + *hpp = hp; return tail; } diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index 52f1b5312b..901d98c09d 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -2472,16 +2472,22 @@ file_output(ErlDrvData e, char* buf, int count) static void file_flush(ErlDrvData e) { file_descriptor *desc = (file_descriptor *)e; +#ifdef DEBUG int r; +#endif TRACE_C('f'); - r = flush_write(desc, NULL); +#ifdef DEBUG + r = +#endif + flush_write(desc, NULL); /* Only possible reason for bad return value is ENOMEM, and * there is nobody to tell... */ +#ifdef DEBUG ASSERT(r == 0); - r = 0; /* Avoiding warning */ +#endif cq_execute(desc); } @@ -2531,12 +2537,14 @@ file_timeout(ErlDrvData e) { driver_async(desc->port, KEY(desc), desc->invoke, desc->d, desc->free); break; case timer_write: { - int r = flush_write(desc, NULL); +#ifdef DEBUG + int r = +#endif + flush_write(desc, NULL); /* Only possible reason for bad return value is ENOMEM, and * there is nobody to tell... */ ASSERT(r == 0); - r = 0; /* Avoiding warning */ cq_execute(desc); } break; } /* case */ diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 426917bd2c..c617afe111 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -9567,8 +9567,9 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, */ int code; char tbuf[2]; +#ifdef HAVE_SCTP unsigned timeout; - +#endif DEBUGF(("packet_inet_ctl(%ld): CONNECT\r\n", (long)desc->port)); /* INPUT: [ Timeout(4), Port(2), Address(N) ] */ @@ -9629,7 +9630,7 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, else if (len < 6) return ctl_error(EINVAL, rbuf, rsize); else { - timeout = get_int32(buf); /* IGNORED */ + /* Ignore timeout */ buf += 4; len -= 4; if (inet_set_address(desc->sfamily, diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c index 49750ff6ce..db2854fa40 100644 --- a/erts/emulator/sys/common/erl_mseg.c +++ b/erts/emulator/sys/common/erl_mseg.c @@ -371,20 +371,30 @@ mseg_create(ErtsMsegAllctr_t *ma, MemKind* mk, Uint size) static ERTS_INLINE void mseg_destroy(ErtsMsegAllctr_t *ma, MemKind* mk, void *seg, Uint size) { +#ifdef DEBUG int res; +#endif #if HALFWORD_HEAP if (mk == &ma->low_mem) { - res = pmunmap((void *) seg, size); +#ifdef DEBUG + res = +#endif + pmunmap((void *) seg, size); } else #endif { #ifdef ERTS_MSEG_FAKE_SEGMENTS erts_sys_free(ERTS_ALC_N_INVALID, NULL, seg); +#ifdef DEBUG res = 0; +#endif #elif HAVE_MMAP - res = munmap((void *) seg, size); +#ifdef DEBUG + res = +#endif + munmap((void *) seg, size); #else # error "Missing mseg_destroy() implementation" #endif 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); -- cgit v1.2.3