diff options
Diffstat (limited to 'lib/erl_interface/src/legacy/erl_eterm.c')
| -rw-r--r-- | lib/erl_interface/src/legacy/erl_eterm.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/lib/erl_interface/src/legacy/erl_eterm.c b/lib/erl_interface/src/legacy/erl_eterm.c index f2f35ab693..9ad92121f4 100644 --- a/lib/erl_interface/src/legacy/erl_eterm.c +++ b/lib/erl_interface/src/legacy/erl_eterm.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * Copyright Ericsson AB 1996-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -188,14 +188,20 @@ char* erl_atom_ptr_latin1(Erl_Atom_data* a) char* erl_atom_ptr_utf8(Erl_Atom_data* a) { if (a->utf8 == NULL) { - int dlen = a->lenL * 2; /* over estimation */ - a->utf8 = malloc(dlen + 1); - a->lenU = latin1_to_utf8(a->utf8, a->latin1, a->lenL, dlen, NULL); - a->utf8[a->lenU] = '\0'; + erlang_char_encoding enc; + a->lenU = latin1_to_utf8(NULL, a->latin1, a->lenL, a->lenL*2, &enc); + if (enc == ERLANG_ASCII) { + a->utf8 = a->latin1; + } + else { + a->utf8 = malloc(a->lenU + 1); + latin1_to_utf8(a->utf8, a->latin1, a->lenL, a->lenU, NULL); + a->utf8[a->lenU] = '\0'; + } } return a->utf8; - } + int erl_atom_size_latin1(Erl_Atom_data* a) { if (a->latin1 == NULL) { @@ -285,12 +291,12 @@ ETERM *erl_mk_pid(const char *node, erl_errno = ENOMEM; return NULL; } - erl_mk_pid_helper(ep, number, serial, creation); + erl_mk_pid_helper(ep, number, serial, creation & 0x03); return ep; } void erl_mk_pid_helper(ETERM *ep, unsigned int number, - unsigned int serial, unsigned char creation) + unsigned int serial, unsigned int creation) { ERL_PID_NUMBER(ep) = number & 0x7fff; /* 15 bits */ if (ei_internal_use_r9_pids_ports()) { @@ -299,7 +305,7 @@ void erl_mk_pid_helper(ETERM *ep, unsigned int number, else { ERL_PID_SERIAL(ep) = serial & 0x1fff; /* 13 bits */ } - ERL_PID_CREATION(ep) = creation & 0x03; /* 2 bits */ + ERL_PID_CREATION(ep) = creation; /* 32 bits */ } /* @@ -326,7 +332,7 @@ ETERM *erl_mk_port(const char *node, return ep; } -void erl_mk_port_helper(ETERM* ep, unsigned number, unsigned char creation) +void erl_mk_port_helper(ETERM* ep, unsigned number, unsigned int creation) { if (ei_internal_use_r9_pids_ports()) { ERL_PORT_NUMBER(ep) = number & 0x3ffff; /* 18 bits */ @@ -334,7 +340,7 @@ void erl_mk_port_helper(ETERM* ep, unsigned number, unsigned char creation) else { ERL_PORT_NUMBER(ep) = number & 0x0fffffff; /* 18 bits */ } - ERL_PORT_CREATION(ep) = creation & 0x03; /* 2 bits */ + ERL_PORT_CREATION(ep) = creation; /* 32 bits */ } /* @@ -344,7 +350,7 @@ ETERM *__erl_mk_reference (ETERM* t, const char *node, size_t len, unsigned int n[], - unsigned char creation) + unsigned int creation) { if (t == NULL) { if (node == NULL) return NULL; @@ -363,7 +369,7 @@ ETERM *__erl_mk_reference (ETERM* t, ERL_REF_NUMBERS(t)[0] = n[0] & 0x3ffff; /* 18 bits */ ERL_REF_NUMBERS(t)[1] = n[1]; ERL_REF_NUMBERS(t)[2] = n[2]; - ERL_REF_CREATION(t) = creation & 0x03; /* 2 bits */ + ERL_REF_CREATION(t) = creation; /* 32 bits */ return t; } |