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authorHenrik Nord <[email protected]>2011-04-07 16:16:48 +0200
committerHenrik Nord <[email protected]>2011-04-07 16:16:59 +0200
commit5ad09d2928fd4584ce6dc50f44825b3f6d7ef66a (patch)
treed0a3d7062cfb7b87e114fdf37eeaac790beb69d4 /erts
parent4144043663ffe31742c1a7c3fe50135c8382db7c (diff)
parent345454e7dcfd4bc38992870cf5aa5ab7efe0c475 (diff)
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Merge branch 'ta/erts-unused-vars' into dev
* ta/erts-unused-vars: erts: Remove unused variables OTP-9205
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/beam/beam_bif_load.c3
-rw-r--r--erts/emulator/beam/beam_load.c2
-rw-r--r--erts/emulator/beam/bif.c2
-rw-r--r--erts/emulator/beam/dist.c2
-rw-r--r--erts/emulator/beam/erl_bits.c6
-rw-r--r--erts/emulator/beam/erl_gc.c3
-rw-r--r--erts/emulator/beam/erl_process.c2
-rw-r--r--erts/emulator/beam/erl_unicode.c2
-rw-r--r--erts/emulator/beam/io.c5
-rw-r--r--erts/etc/unix/to_erl.c8
10 files changed, 3 insertions, 32 deletions
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index 6ae9736141..1ca405961f 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -472,9 +472,6 @@ check_process_code(Process* rp, Module* modp)
for (oh = MSO(rp).first; oh; oh = oh->next) {
if (thing_subtag(oh->thing_word) == FUN_SUBTAG) {
ErlFunThing* funp = (ErlFunThing*) oh;
- BeamInstr* fun_code;
-
- fun_code = funp->fe->address;
if (INSIDE((BeamInstr *) funp->fe->address)) {
if (done_gc) {
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index c697b1ef31..57fe25453d 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -1411,7 +1411,6 @@ static int
load_code(LoaderState* stp)
{
int i;
- int tmp;
int ci;
int last_func_start = 0;
char* sign;
@@ -1931,7 +1930,6 @@ load_code(LoaderState* stp)
case 'P': /* Byte offset into tuple or stack */
case 'Q': /* Like 'P', but packable */
VerifyTag(stp, tag, TAG_u);
- tmp = tmp_op->a[arg].val;
code[ci++] = (BeamInstr) ((tmp_op->a[arg].val+1) * sizeof(Eterm));
break;
case 'l': /* Floating point register. */
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index f01580eb2b..6b1ce823cb 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -368,7 +368,6 @@ static int demonitor(Process *c_p, Eterm ref)
ErtsMonitor *mon = NULL; /* The monitor entry to delete */
Process *rp; /* Local target process */
Eterm to = NIL; /* Monitor link traget */
- Eterm ref_p; /* Pid of this end */
DistEntry *dep = NULL; /* Target's distribution entry */
int deref_de = 0;
int res;
@@ -381,7 +380,6 @@ static int demonitor(Process *c_p, Eterm ref)
res = ERTS_DEMONITOR_BADARG;
goto done; /* Cannot be this monitor's ref */
}
- ref_p = c_p->id;
mon = erts_lookup_monitor(c_p->monitors, ref);
if (!mon) {
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index 044fd045a6..05eddf4ae0 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -904,7 +904,6 @@ int erts_net_message(Port *prt,
ErtsDistExternal ede;
byte *t;
Sint ctl_len;
- int orig_ctl_len;
Eterm arg;
Eterm from, to;
Eterm watcher, watched;
@@ -985,7 +984,6 @@ int erts_net_message(Port *prt,
PURIFY_MSG("data error");
goto data_error;
}
- orig_ctl_len = ctl_len;
if (ctl_len > DIST_CTL_DEFAULT_SIZE) {
ctl = erts_alloc(ERTS_ALC_T_DCTRL_BUF, ctl_len * sizeof(Eterm));
diff --git a/erts/emulator/beam/erl_bits.c b/erts/emulator/beam/erl_bits.c
index 6f8a7436d5..0174e5fc43 100644
--- a/erts/emulator/beam/erl_bits.c
+++ b/erts/emulator/beam/erl_bits.c
@@ -177,7 +177,6 @@ erts_bs_get_integer_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuff
byte* LSB;
byte* MSB;
Uint* hp;
- Uint* hp_end;
Uint words_needed;
Uint actual;
Uint v32;
@@ -405,7 +404,6 @@ erts_bs_get_integer_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuff
default:
words_needed = 1+WSIZE(bytes);
hp = HeapOnlyAlloc(p, words_needed);
- hp_end = hp + words_needed;
res = bytes_to_big(LSB, bytes, sgn, hp);
if (is_small(res)) {
p->htop = hp;
@@ -425,7 +423,6 @@ Eterm
erts_bs_get_binary_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuffer* mb)
{
ErlSubBin* sb;
- size_t num_bytes; /* Number of bytes in binary. */
if (mb->size - mb->offset < num_bits) { /* Asked for too many bits. */
return THE_NON_VALUE;
@@ -435,7 +432,6 @@ erts_bs_get_binary_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuffe
* From now on, we can't fail.
*/
- num_bytes = NBYTES(num_bits);
sb = (ErlSubBin *) HeapOnlyAlloc(p, ERL_SUB_BIN_SIZE);
sb->thing_word = HEADER_SUB_BIN;
@@ -1557,7 +1553,6 @@ Uint32
erts_bs_get_unaligned_uint32(ErlBinMatchBuffer* mb)
{
Uint bytes;
- Uint bits;
Uint offs;
byte bigbuf[4];
byte* LSB;
@@ -1567,7 +1562,6 @@ erts_bs_get_unaligned_uint32(ErlBinMatchBuffer* mb)
ASSERT(mb->size - mb->offset >= 32);
bytes = 4;
- bits = 8;
offs = 0;
LSB = bigbuf;
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index d9150d86fe..c30d67ac88 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -455,7 +455,6 @@ erts_garbage_collect_hibernate(Process* p)
Eterm* heap;
Eterm* htop;
Rootset rootset;
- int n;
char* src;
Uint src_size;
Uint actual_size;
@@ -486,7 +485,7 @@ erts_garbage_collect_hibernate(Process* p)
sizeof(Eterm)*heap_size);
htop = heap;
- n = setup_rootset(p, p->arg_reg, p->arity, &rootset);
+ (void) setup_rootset(p, p->arg_reg, p->arity, &rootset);
#if HIPE
hipe_empty_nstack(p);
#endif
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index f8997f3c07..21ee72edf2 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -1267,7 +1267,6 @@ ssi_flags_set_wake(ErtsSchedulerSleepInfo *ssi)
static void
wake_scheduler(ErtsRunQueue *rq, int incq, int one)
{
- int res;
ErtsSchedulerSleepInfo *ssi;
ErtsSchedulerSleepList *sl;
@@ -1298,7 +1297,6 @@ wake_scheduler(ErtsRunQueue *rq, int incq, int one)
if (ssi->next)
ssi->next->prev = ssi->prev;
- res = sl->list != NULL;
erts_smp_spin_unlock(&sl->lock);
ERTS_THR_MEMORY_BARRIER;
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index 545b345a71..dacf228e92 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -902,7 +902,6 @@ static BIF_RETTYPE build_utf8_return(Process *p,Eterm bin,int pos,
static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3)
{
Eterm *real_bin;
- Sint need;
byte* bytes;
Eterm rest_term;
int left, sleft;
@@ -918,7 +917,6 @@ static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3)
ASSERT(is_binary(BIF_ARG_1));
real_bin = binary_val(BIF_ARG_1);
ASSERT(*real_bin == HEADER_PROC_BIN);
- need = ((ProcBin *) real_bin)->val->orig_size;
pos = (int) binary_size(BIF_ARG_1);
bytes = binary_bytes(BIF_ARG_1);
sleft = left = allowed_iterations(BIF_P);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index f21a96c754..2e884a350e 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -1226,7 +1226,6 @@ void init_io(void)
{
int i;
ErlDrvEntry** dp;
- ErlDrvEntry* drv;
char maxports[21]; /* enough for any 64-bit integer */
size_t maxportssize = sizeof(maxports);
Uint ports_bits = ERTS_PORTS_BITS;
@@ -1309,10 +1308,8 @@ void init_io(void)
init_driver(&fd_driver, &fd_driver_entry, NULL);
init_driver(&vanilla_driver, &vanilla_driver_entry, NULL);
init_driver(&spawn_driver, &spawn_driver_entry, NULL);
- for (dp = driver_tab; *dp != NULL; dp++) {
- drv = *dp;
+ for (dp = driver_tab; *dp != NULL; dp++)
erts_add_driver_entry(*dp, NULL, 1);
- }
erts_smp_tsd_set(driver_list_lock_status_key, NULL);
erts_smp_mtx_unlock(&erts_driver_list_lock);
diff --git a/erts/etc/unix/to_erl.c b/erts/etc/unix/to_erl.c
index 886b301997..b7c3c956c6 100644
--- a/erts/etc/unix/to_erl.c
+++ b/erts/etc/unix/to_erl.c
@@ -125,7 +125,7 @@ static void usage(char *pname)
int main(int argc, char **argv)
{
char FIFO1[FILENAME_MAX], FIFO2[FILENAME_MAX];
- int i, len, wfd, rfd, result = 0;
+ int i, len, wfd, rfd;
fd_set readfds;
char buf[BUFSIZ];
char pipename[FILENAME_MAX];
@@ -367,7 +367,6 @@ int main(int argc, char **argv)
}
else {
fprintf(stderr, "Error in select.\n");
- result = -1;
break;
}
}
@@ -398,7 +397,6 @@ int main(int argc, char **argv)
close(wfd);
if (len < 0) {
fprintf(stderr, "Error in reading from stdin.\n");
- result = -1;
} else {
fprintf(stderr, "[EOF]\n\r");
}
@@ -420,7 +418,6 @@ int main(int argc, char **argv)
fprintf(stderr, "Error in writing to FIFO.\n");
close(rfd);
close(wfd);
- result = -1;
break;
}
STATUS("\" OK\r\n");
@@ -447,7 +444,6 @@ int main(int argc, char **argv)
close(wfd);
if (len < 0) {
fprintf(stderr, "Error in reading from FIFO.\n");
- result = -1;
} else
fprintf(stderr, "[End]\n\r");
break;
@@ -456,7 +452,6 @@ int main(int argc, char **argv)
if ((len=version_handshake(buf,len,wfd)) < 0) {
close(rfd);
close(wfd);
- result = -1;
break;
}
if (protocol_ver >= 1) {
@@ -475,7 +470,6 @@ int main(int argc, char **argv)
fprintf(stderr, "Error in writing to terminal.\n");
close(rfd);
close(wfd);
- result = -1;
break;
}
STATUS("\" OK\r\n");