diff options
Diffstat (limited to 'lib/erl_interface/src/legacy')
-rw-r--r-- | lib/erl_interface/src/legacy/decode_term.c | 11 | ||||
-rw-r--r-- | lib/erl_interface/src/legacy/erl_marshal.c | 157 |
2 files changed, 80 insertions, 88 deletions
diff --git a/lib/erl_interface/src/legacy/decode_term.c b/lib/erl_interface/src/legacy/decode_term.c index ef29d6f57d..796cebdfef 100644 --- a/lib/erl_interface/src/legacy/decode_term.c +++ b/lib/erl_interface/src/legacy/decode_term.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1998-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1998-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ #include "eidef.h" @@ -59,6 +59,7 @@ int ei_decode_term(const char *buf, int *index, void *t) return ei_decode_long(buf,index,NULL); case ERL_FLOAT_EXT: + case NEW_FLOAT_EXT: return ei_decode_double(buf,index,NULL); case ERL_ATOM_EXT: diff --git a/lib/erl_interface/src/legacy/erl_marshal.c b/lib/erl_interface/src/legacy/erl_marshal.c index 4b5f28178f..a6c2f64dd0 100644 --- a/lib/erl_interface/src/legacy/erl_marshal.c +++ b/lib/erl_interface/src/legacy/erl_marshal.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1996-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ /* @@ -26,6 +26,7 @@ #include <ctype.h> #include <sys/types.h> #include <string.h> +#include <limits.h> #include "erl_interface.h" #include "erl_marshal.h" @@ -102,6 +103,7 @@ void erl_init_marshal(void) cmp_array[ERL_SMALL_INTEGER_EXT] = 1; cmp_array[ERL_INTEGER_EXT] = 1; cmp_array[ERL_FLOAT_EXT] = 1; + cmp_array[NEW_FLOAT_EXT] = 1; cmp_array[ERL_SMALL_BIG_EXT] = 1; cmp_array[ERL_LARGE_BIG_EXT] = 1; cmp_array[ERL_ATOM_EXT] = 2; @@ -124,6 +126,7 @@ void erl_init_marshal(void) cmp_num_class[ERL_SMALL_INTEGER_EXT] = SMALL; cmp_num_class[ERL_INTEGER_EXT] = SMALL; cmp_num_class[ERL_FLOAT_EXT] = FLOAT; + cmp_num_class[NEW_FLOAT_EXT] = FLOAT; cmp_num_class[ERL_SMALL_BIG_EXT] = BIG; cmp_num_class[ERL_LARGE_BIG_EXT] = BIG; init_cmp_num_class_p = 0; @@ -176,26 +179,14 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist) return 0; case ERL_INTEGER: - i = ep->uval.ival.i; - /* ERL_SMALL_BIG */ - if ((i > ERL_MAX) || (i < ERL_MIN)) { - *(*ext)++ = ERL_SMALL_BIG_EXT; - *(*ext)++ = 4; /* four bytes */ - if ((*(*ext)++ = ((i>>31) & 0x01))) /* sign byte */ - i = -i; - *(*ext)++ = i & 0xff; /* LSB first */ - *(*ext)++ = (i >> 8) & 0xff; - *(*ext)++ = (i >> 16) & 0xff; - *(*ext)++ = (i >> 24) & 0x7f; /* Don't include the sign bit */ - return 0; - } + i = ep->uval.ival.i; /* SMALL_INTEGER */ if ((i < 256) && (i >= 0)) { *(*ext)++ = ERL_SMALL_INTEGER_EXT; *(*ext)++ = i & 0xff; return 0; } - /* INTEGER */ + /* R14B: Use all 32 bits of INTEGER_EXT */ *(*ext)++ = ERL_INTEGER_EXT; *(*ext)++ = (i >> 24) & 0xff; *(*ext)++ = (i >> 16) & 0xff; @@ -206,23 +197,23 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist) case ERL_U_INTEGER: u = ep->uval.uival.u; /* ERL_U_SMALL_BIG */ - if (u > ERL_MAX) { - *(*ext)++ = ERL_SMALL_BIG_EXT; - *(*ext)++ = 4; /* four bytes */ - *(*ext)++ = 0; /* sign byte */ - *(*ext)++ = u & 0xff; /* LSB first */ - *(*ext)++ = (u >> 8) & 0xff; - *(*ext)++ = (u >> 16) & 0xff; - *(*ext)++ = (u >> 24) & 0xff; - return 0; + if ((int)u < 0) { + *(*ext)++ = ERL_SMALL_BIG_EXT; + *(*ext)++ = 4; /* four bytes */ + *(*ext)++ = 0; /* sign byte */ + *(*ext)++ = u & 0xff; /* LSB first */ + *(*ext)++ = (u >> 8) & 0xff; + *(*ext)++ = (u >> 16) & 0xff; + *(*ext)++ = (u >> 24) & 0xff; + return 0; } /* SMALL_INTEGER */ - if ((u < 256) && (u >= 0)) { + if (u < 256) { *(*ext)++ = ERL_SMALL_INTEGER_EXT; *(*ext)++ = u & 0xff; return 0; } - /* INTEGER */ + /* R14B: Use all 32 bits of INTEGER_EXT */ *(*ext)++ = ERL_INTEGER_EXT; *(*ext)++ = (u >> 24) & 0xff; *(*ext)++ = (u >> 16) & 0xff; @@ -232,29 +223,28 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist) case ERL_LONGLONG: l = ep->uval.llval.i; /* ERL_SMALL_BIG */ - if ((l > ((long long) ERL_MAX)) || - (l < ((long long) ERL_MIN))) { - *(*ext)++ = ERL_SMALL_BIG_EXT; - *(*ext)++ = 8; /* eight bytes */ - if ((*(*ext)++ = ((l>>63) & 0x01))) /* sign byte */ + if (l > ((long long) INT_MAX) || l < ((long long) INT_MIN)) { + *(*ext)++ = ERL_SMALL_BIG_EXT; + *(*ext)++ = 8; + if ((*(*ext)++ = (l<0))) /* sign byte */ l = -l; - *(*ext)++ = l & 0xff; /* LSB first */ + *(*ext)++ = l & 0xff; /* LSB first */ *(*ext)++ = (l >> 8) & 0xff; *(*ext)++ = (l >> 16) & 0xff; - *(*ext)++ = (l >> 24) & 0xff; - *(*ext)++ = (l >> 32) & 0xff; - *(*ext)++ = (l >> 40) & 0xff; - *(*ext)++ = (l >> 48) & 0xff; - *(*ext)++ = (l >> 56) & 0x7f; /* Don't include the sign bit */ + *(*ext)++ = (l >> 24) & 0xff; + *(*ext)++ = (l >> 32) & 0xff; + *(*ext)++ = (l >> 40) & 0xff; + *(*ext)++ = (l >> 48) & 0xff; + *(*ext)++ = (l >> 56) & 0xff; return 0; } /* SMALL_INTEGER */ if ((l < 256) && (l >= 0)) { - *(*ext)++ = ERL_SMALL_INTEGER_EXT; - *(*ext)++ = l & 0xff; - return 0; + *(*ext)++ = ERL_SMALL_INTEGER_EXT; + *(*ext)++ = l & 0xff; + return 0; } - /* INTEGER */ + /* R14B: Use all 32 bits of INTEGER_EXT */ *(*ext)++ = ERL_INTEGER_EXT; *(*ext)++ = (l >> 24) & 0xff; *(*ext)++ = (l >> 16) & 0xff; @@ -265,7 +255,7 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist) case ERL_U_LONGLONG: ul = ep->uval.ullval.u; /* ERL_U_SMALL_BIG */ - if (ul > ((unsigned long long) ERL_MAX)) { + if (ul > ((unsigned long long) INT_MAX)) { *(*ext)++ = ERL_SMALL_BIG_EXT; *(*ext)++ = 8; /* eight bytes */ *(*ext)++ = 0; /* sign byte */ @@ -285,7 +275,7 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist) *(*ext)++ = ul & 0xff; return 0; } - /* INTEGER */ + /* R14B: Use all 32 bits of INTEGER_EXT */ *(*ext)++ = ERL_INTEGER_EXT; *(*ext)++ = (ul >> 24) & 0xff; *(*ext)++ = (ul >> 16) & 0xff; @@ -521,29 +511,28 @@ static int erl_term_len_helper(ETERM *ep, int dist) case ERL_INTEGER: i = ep->uval.ival.i; - if ((i > ERL_MAX) || (i < ERL_MIN)) len = 7; - else if ((i < 256) && (i >= 0)) len = 2; + if ((i < 256) && (i >= 0)) len = 2; else len = 5; break; case ERL_U_INTEGER: u = ep->uval.uival.u; - if (u > ERL_MAX) len = 7; + if ((int)u < 0) len = 7; else if (u < 256) len = 2; else len = 5; break; case ERL_LONGLONG: l = ep->uval.llval.i; - if ((l > ((long long) ERL_MAX)) || - (l < ((long long) ERL_MIN))) len = 11; + if ((l > ((long long) INT_MAX)) || + (l < ((long long) INT_MIN))) len = 11; else if ((l < 256) && (l >= 0)) len = 2; else len = 5; break; case ERL_U_LONGLONG: ul = ep->uval.ullval.u; - if (ul > ((unsigned long long) ERL_MAX)) len = 11; + if (ul > ((unsigned long long) INT_MAX)) len = 11; else if (ul < 256) len = 2; else len = 5; break; @@ -556,12 +545,7 @@ static int erl_term_len_helper(ETERM *ep, int dist) case ERL_REF: i = strlen((char *)ERL_REF_NODE(ep)); - if (dist >= 4 && ERL_REF_LEN(ep) > 1) { - len = 1 + 2 + (i+3) + 1 + ERL_REF_LEN(ep) * 4; - } else { - /* 1 + N + 4 + 1 where N = 3 + strlen */ - len = 9 + i; - } + len = 1 + 2 + (i+3) + 1 + ERL_REF_LEN(ep) * 4; break; case ERL_PORT: @@ -730,11 +714,6 @@ static ETERM *erl_decode_it(unsigned char **ext) if (arity > 8) goto big_truncate; - if (arity == 8 && ((*ext)[7] & 0x80) && sign) { - /* MSB already occupied ! */ - goto big_truncate; - } - if (arity == 4 && ((*ext)[3] & 0x80) && !sign) { /* It will fit into an unsigned int !! */ u = (((*ext)[3] << 24)|((*ext)[2])<< 16|((*ext)[1]) << 8 |(**ext)); @@ -745,14 +724,10 @@ static ETERM *erl_decode_it(unsigned char **ext) return ep; } else if (arity == 4 && !((*ext)[3] & 0x80)) { /* It will fit into an int !! - * Note: It comes in "one's-complement notation" */ - if (sign) - i = (int) (~(((*ext)[3] << 24) | ((*ext)[2])<< 16 | - ((*ext)[1]) << 8 | (**ext)) | (unsigned int) sign); - else - i = (int) (((*ext)[3] << 24) | ((*ext)[2])<< 16 | - ((*ext)[1]) << 8 | (**ext)); + i = (int) (((*ext)[3] << 24) | ((*ext)[2])<< 16 | + ((*ext)[1]) << 8 | (**ext)); + if (sign) i = -i; ERL_TYPE(ep) = ERL_INTEGER; ep->uval.ival.i = i; *ext += arity; @@ -778,8 +753,10 @@ static ETERM *erl_decode_it(unsigned char **ext) for(x = 0 ; x < arity ; x++) { l |= ((long long)(*ext)[x]) << ((long long)(8*x)); } - - if (sign) l = (long long) (~l | (unsigned long long) sign); + if (sign) { + l = -l; + if (l > 0) goto big_truncate; + } ERL_TYPE(ep) = ERL_LONGLONG; ep->uval.llval.i = l; @@ -1008,10 +985,13 @@ static ETERM *erl_decode_it(unsigned char **ext) return ep; case ERL_FLOAT_EXT: + case NEW_FLOAT_EXT: ERL_TYPE(ep) = ERL_FLOAT; - if (sscanf((char *) *ext, "%lf", &ff) != 1) + cp = (char *) *ext; + i = -1; + if (ei_decode_double(cp, &i, &ff) == -1) goto failure; - *ext += 31; + *ext += i; ep->uval.fval.f = ff; return ep; @@ -1176,6 +1156,7 @@ unsigned char erl_ext_type(unsigned char *ext) case ERL_LARGE_TUPLE_EXT: return ERL_TUPLE; case ERL_FLOAT_EXT: + case NEW_FLOAT_EXT: return ERL_FLOAT; case ERL_BINARY_EXT: return ERL_BINARY; @@ -1218,6 +1199,7 @@ int erl_ext_size(unsigned char *t) case ERL_BINARY_EXT: case ERL_STRING_EXT: case ERL_FLOAT_EXT: + case NEW_FLOAT_EXT: case ERL_SMALL_BIG_EXT: case ERL_LARGE_BIG_EXT: return 0; @@ -1332,6 +1314,9 @@ static int jump(unsigned char **ext) case ERL_FLOAT_EXT: *ext += 31; break; + case NEW_FLOAT_EXT: + *ext += 8; + break; case ERL_BINARY_EXT: i = (**ext << 24) | ((*ext)[1] << 16) |((*ext)[2] << 8) | (*ext)[3]; *ext += 4+i; @@ -1696,12 +1681,15 @@ static int cmp_exe2(unsigned char **e1, unsigned char **e2) } return 0; case ERL_FLOAT_EXT: - if (sscanf((char *) *e1, "%lf", &ff1) != 1) - return -1; - *e1 += 31; - if (sscanf((char *) *e2, "%lf", &ff2) != 1) - return -1; - *e2 += 31; + case NEW_FLOAT_EXT: + i = -1; + if (ei_decode_double((char *) *e1, &i, &ff1) != 0) + return -1; + *e1 += i; + j = -1; + if (ei_decode_double((char *) *e2, &j, &ff2) != 0) + return -1; + *e2 += j; return cmp_floats(ff1,ff2); case ERL_BINARY_EXT: @@ -1896,8 +1884,11 @@ static int cmp_big_big(unsigned char**e1, unsigned char **e2) ei_get_type((char *)*e1,&i1,&t1,&n1); ei_get_type((char *)*e2,&i2,&t2,&n2); - b1 = ei_alloc_big(n1); - b2 = ei_alloc_big(n2); + if ( (b1 = ei_alloc_big(n1)) == NULL) return -1; + if ( (b2 = ei_alloc_big(n2)) == NULL) { + ei_free_big(b1); + return 1; + } ei_decode_big((char *)*e1,&i1,b1); ei_decode_big((char *)*e2,&i2,b2); |