/* * Extract an ELEMENT from a TUPLE. Bump the * reference counter on the extracted object. */ ETERM *erl_element (int ix, const ETERM *ep) { if ((!ep) || (ix < 0)) return NULL; /* * ASSERT(ep != NULL); * ASSERT(ix >= 0); */ if ((ERL_TYPE(ep) == ERL_TUPLE) && (ix <= ERL_TUPLE_SIZE(ep))) { ERL_COUNT(ERL_TUPLE_ELEMENT(ep, ix-1))++; return ERL_TUPLE_ELEMENT(ep, ix-1); } else return NULL; } /* erl_element */
int erl_setelement (int ix, ETERM *ep, ETERM *vp) { if ((!ep) || (!vp)) return 0; /* ASSERT(ep != NULL); * ASSERT(vp != NULL); */ if ((ERL_TYPE(ep) == ERL_TUPLE) && (ix <= ERL_TUPLE_SIZE(ep))) { erl_free_term(ERL_TUPLE_ELEMENT(ep, ix-1)); ERL_TUPLE_ELEMENT(ep, ix-1) = vp; ERL_COUNT(vp)++; return 1; } erl_err_msg("<ERROR> erl_setelement: Bad type to setelement or out of range \n"); return 0; }
/* * Return the SIZE of a TUPLE or a BINARY. * At failure -1 is returned. */ int erl_size (const ETERM *ep) { if (!ep) return -1; /* ASSERT(ep != NULL); */ switch (ERL_TYPE(ep)) { case ERL_TUPLE: return ERL_TUPLE_SIZE(ep); case ERL_BINARY: return ERL_BIN_SIZE(ep); default: return -1; } }
/* * Return the CONTENT of a VARIABLE with NAME. * If the content is non-nil then bump its * reference counter. */ ETERM *erl_var_content (const ETERM *ep, const char *name) { int i; ETERM *vp; if ((!ep) || (!name)) return NULL; /* ASSERT(ep != NULL); */ switch(ERL_TYPE(ep)) { case ERL_VARIABLE: if (strcmp(ERL_VAR_NAME(ep), name) == 0) { if ((vp = ERL_VAR_VALUE(ep)) != NULL) { ERL_COUNT(vp)++; return vp; } } break; case ERL_LIST: while (ep && (ERL_TYPE(ep) != ERL_EMPTY_LIST)) { if ((vp = erl_var_content(HEAD(ep), name))) return vp; ep = TAIL(ep); } break; case ERL_TUPLE: for (i=0; i < ERL_TUPLE_SIZE(ep); i++) if ((vp = erl_var_content(ERL_TUPLE_ELEMENT(ep, i), name))) { return vp; } break; default: /* variables can't occur in other types */ break; } /* nothing found ! */ return NULL; }
/* * Create a TUPLE. For each element in the tuple * bump its reference counter. */ ETERM *erl_mk_tuple (ETERM **arr,int size) { ETERM *ep; int i; if ((!arr) || (size < 0)) return NULL; for (i=0; i<size; i++) if (!arr[i]) return NULL; /* ASSERT(arr != NULL); */ ep = erl_alloc_eterm(ERL_TUPLE); ERL_COUNT(ep) = 1; ERL_TUPLE_SIZE(ep) = size; ERL_TUPLE_ELEMS(ep) = (ETERM**) erl_malloc((size) * (sizeof(ETERM*))); for (i = 0; i < size; i++) { /* ASSERT(arr[i] != NULL); */ ERL_COUNT(arr[i])++; ERL_TUPLE_ELEMENT(ep, i) = arr[i]; } return ep; }
int erl_print_term(FILE *fp, const ETERM *ep) { int j,i,doquote; int ch_written = 0; /* counter of written chars */ if ((!fp) || (!ep)) return 0; /* ASSERT(ep != NULL); */ j = i = doquote = 0; switch(ERL_TYPE(ep)) { case ERL_ATOM: { char* adata = ERL_ATOM_PTR(ep); /* FIXME: what if some weird locale is in use? */ if (!islower(adata[0])) doquote = 1; for (i = 0; !doquote && i < ERL_ATOM_SIZE(ep); i++) { doquote = !(isalnum(adata[i]) || (adata[i] == '_')); } if (doquote) { putc('\'', fp); ch_written++; } fputs(adata, fp); ch_written += ERL_ATOM_SIZE(ep); if (doquote) { putc('\'', fp); ch_written++; } break; } case ERL_VARIABLE: if (!isupper((int)ERL_VAR_NAME(ep)[0])) { doquote = 1; putc('\'', fp); ch_written++; } fputs(ERL_VAR_NAME(ep), fp); ch_written += ERL_VAR_LEN(ep); if (doquote) { putc('\'', fp); ch_written++; } break; case ERL_PID: ch_written += fprintf(fp, "<%s.%d.%d>", ERL_PID_NODE(ep), ERL_PID_NUMBER(ep), ERL_PID_SERIAL(ep)); break; case ERL_PORT: ch_written += fprintf(fp, "#Port"); break; case ERL_REF: ch_written += fprintf(fp, "#Ref"); break; case ERL_EMPTY_LIST: ch_written += fprintf(fp, "[]"); break; case ERL_LIST: if (is_printable_list(ep)) { ch_written += print_string(fp, ep); } else { putc('[', fp); ch_written++; while (ERL_IS_CONS(ep)) { ch_written += erl_print_term(fp, HEAD(ep)); ep = TAIL(ep); if (ERL_IS_CONS(ep)) { putc(',', fp); ch_written++; } } if (!ERL_IS_EMPTY_LIST(ep)) { putc('|', fp); ch_written++; ch_written += erl_print_term(fp, ep); } putc(']', fp); ch_written++; } break; case ERL_TUPLE: putc('{', fp); ch_written++; for (i=0; i < ERL_TUPLE_SIZE(ep); i++) { ch_written += erl_print_term(fp, ERL_TUPLE_ELEMENT(ep, j++) ); if (i != ERL_TUPLE_SIZE(ep)-1) { putc(',', fp); ch_written++; } } putc('}', fp); ch_written++; break; case ERL_BINARY: { int sz = (ERL_BIN_SIZE(ep) > 20) ? 20 : ERL_BIN_SIZE(ep); unsigned char *ptr = ERL_BIN_PTR(ep); ch_written += fprintf(fp, "#Bin<"); for (i = 0; i < sz; i++) { putc(ptr[i], fp); ch_written++; } if (sz == 20) ch_written += fprintf(fp, "(%d)....>", ERL_BIN_SIZE(ep)-20); else ch_written += fprintf(fp, ">"); break; } case ERL_INTEGER: case ERL_SMALL_BIG: ch_written += fprintf(fp, "%d", ERL_INT_VALUE(ep)); break; case ERL_U_INTEGER: case ERL_U_SMALL_BIG: ch_written += fprintf(fp, "%d", ERL_INT_UVALUE(ep)); break; case ERL_LONGLONG: case ERL_U_LONGLONG: ch_written += fprintf(fp, "%lld", ERL_LL_UVALUE(ep)); break; case ERL_FLOAT: ch_written += fprintf(fp, "%f", ERL_FLOAT_VALUE(ep)); break; case ERL_FUNCTION: ch_written += fprintf(fp, "#Fun<"); ch_written += erl_print_term(fp, ERL_FUN_MODULE(ep)); putc('.', fp); ch_written++; ch_written += erl_print_term(fp, ERL_FUN_INDEX(ep)); putc('.', fp); ch_written++; ch_written += erl_print_term(fp, ERL_FUN_UNIQ(ep)); putc('>', fp); ch_written++; break; default: ch_written = -10000; erl_err_msg("<ERROR> erl_print_term: Bad type of term !"); } return ch_written; }
/* * FIXME: Deep (the whole tree) or shallow (just the top term) copy? * The documentation never says, but the code as written below will * make a deep copy. This should be documented. */ ETERM *erl_copy_term(const ETERM *ep) { int i; ETERM *cp; if (!ep) return NULL; /* ASSERT(ep != NULL); */ cp = erl_alloc_eterm(ERL_TYPE(ep)); ERL_COUNT(cp) = 1; switch(ERL_TYPE(cp)) { case ERL_INTEGER: case ERL_SMALL_BIG: ERL_INT_VALUE(cp) = ERL_INT_VALUE(ep); break; case ERL_U_INTEGER: case ERL_U_SMALL_BIG: ERL_INT_UVALUE(cp) = ERL_INT_UVALUE(ep); break; case ERL_LONGLONG: ERL_LL_VALUE(cp) = ERL_LL_VALUE(ep); break; case ERL_U_LONGLONG: ERL_LL_UVALUE(cp) = ERL_LL_UVALUE(ep); break; case ERL_FLOAT: ERL_FLOAT_VALUE(cp) = ERL_FLOAT_VALUE(ep); break; case ERL_ATOM: if (!erl_atom_copy(&cp->uval.aval.d, &ep->uval.aval.d)) { erl_free_term(cp); erl_errno = ENOMEM; return NULL; } break; case ERL_PID: /* FIXME: First copy the bit pattern, then duplicate the node name and plug in. Somewhat ugly (also done with port and ref below). */ memcpy(&cp->uval.pidval, &ep->uval.pidval, sizeof(Erl_Pid)); erl_atom_copy(&cp->uval.pidval.node, &ep->uval.pidval.node); ERL_COUNT(cp) = 1; break; case ERL_PORT: memcpy(&cp->uval.portval, &ep->uval.portval, sizeof(Erl_Port)); erl_atom_copy(&cp->uval.portval.node, &ep->uval.portval.node); ERL_COUNT(cp) = 1; break; case ERL_REF: memcpy(&cp->uval.refval, &ep->uval.refval, sizeof(Erl_Ref)); erl_atom_copy(&cp->uval.refval.node, &ep->uval.refval.node); ERL_COUNT(cp) = 1; break; case ERL_LIST: HEAD(cp) = erl_copy_term(HEAD(ep)); TAIL(cp) = erl_copy_term(TAIL(ep)); break; case ERL_EMPTY_LIST: break; case ERL_TUPLE: i = ERL_TUPLE_SIZE(cp) = ERL_TUPLE_SIZE(ep); ERL_TUPLE_ELEMS(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*)); for(i=0; i < ERL_TUPLE_SIZE(ep); i++) ERL_TUPLE_ELEMENT(cp,i) = erl_copy_term(ERL_TUPLE_ELEMENT(ep, i)); break; case ERL_BINARY: ERL_BIN_SIZE(cp) = ERL_BIN_SIZE(ep); ERL_BIN_PTR(cp) = (unsigned char *) erl_malloc(ERL_BIN_SIZE(ep)); memcpy(ERL_BIN_PTR(cp), ERL_BIN_PTR(ep), ERL_BIN_SIZE(ep)); break; case ERL_FUNCTION: i = ERL_CLOSURE_SIZE(cp) = ERL_CLOSURE_SIZE(ep); ERL_FUN_ARITY(cp) = ERL_FUN_ARITY(ep); ERL_FUN_NEW_INDEX(cp) = ERL_FUN_NEW_INDEX(ep); ERL_FUN_INDEX(cp) = erl_copy_term(ERL_FUN_INDEX(ep)); ERL_FUN_UNIQ(cp) = erl_copy_term(ERL_FUN_UNIQ(ep)); ERL_FUN_CREATOR(cp) = erl_copy_term(ERL_FUN_CREATOR(ep)); ERL_FUN_MODULE(cp) = erl_copy_term(ERL_FUN_MODULE(ep)); memcpy(ERL_FUN_MD5(cp), ERL_FUN_MD5(ep), sizeof(ERL_FUN_MD5(ep))); ERL_CLOSURE(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*)); for(i=0; i < ERL_CLOSURE_SIZE(ep); i++) ERL_CLOSURE_ELEMENT(cp,i) = erl_copy_term(ERL_CLOSURE_ELEMENT(ep, i)); break; default: erl_err_msg("<ERROR> erl_copy_term: wrong type encountered !"); erl_free_term(cp); return (ETERM *) NULL; } return cp; }
int erl_sprint_term(char *buf, const ETERM *ep) { int j,i,doquote; int ch_written = 0; /* counter of written chars */ if ((!buf) || (!ep)) return 0; /* ASSERT(ep != NULL); */ j = i = doquote = 0; switch(ERL_TYPE(ep)) { case ERL_ATOM: /* FIXME: what if some weird locale is in use? */ if (!islower((int)ERL_ATOM_PTR(ep)[0])) doquote = 1; for (i = 0; !doquote && i < ERL_ATOM_SIZE(ep); i++) { doquote = !(isalnum((int)ERL_ATOM_PTR(ep)[i]) || (ERL_ATOM_PTR(ep)[i] == '_')); } if (doquote) { *buf++ = '\''; ch_written++; } { int len = ERL_ATOM_SIZE(ep); strncpy(buf, ERL_ATOM_PTR(ep), len); buf += len; ch_written += len; } if (doquote) { *buf++ = '\''; ch_written++; } break; case ERL_VARIABLE: if (!isupper((int)ERL_VAR_NAME(ep)[0])) { doquote = 1; *buf++ = '\''; ch_written++; } len = ERL_VAR_LEN(ep); strncpy(buf, ERL_VAR_NAME(ep), len); buf += len; ch_written += len; if (doquote) { *buf++ = '\''; ch_written++; } break; case ERL_PID: len = sprintf(buf, "<%s.%d.%d>", ERL_PID_NODE(ep), ERL_PID_NUMBER(ep), ERL_PID_SERIAL(ep)); buf += len; ch_written += len; break; case ERL_PORT: len = sprintf(buf , "#Port"); buf += len; ch_written += len; break; case ERL_REF: len = sprintf(buf , "#Ref"); buf += len; ch_written += len; break; case ERL_EMPTY_LIST: len = sprintf(buf , "[]"); buf += len; ch_written += len; break; case ERL_LIST: if (is_printable_list(ep)) { ch_written += print_string(fp, ep); } else { putc('[', fp); ch_written++; while (ERL_IS_CONS(ep)) { ch_written += erl_sprint_term(fp, HEAD(ep)); ep = TAIL(ep); if (ERL_IS_CONS(ep)) { putc(',', fp); ch_written++; } } if (!ERL_IS_EMPTY_LIST(ep)) { putc('|', fp); ch_written++; ch_written += erl_sprint_term(fp, ep); } putc(']', fp); ch_written++; } break; case ERL_TUPLE: putc('{', fp); ch_written++; for (i=0; i < ERL_TUPLE_SIZE(ep); i++) { ch_written += erl_sprint_term(fp, ERL_TUPLE_ELEMENT(ep, j++) ); if (i != ERL_TUPLE_SIZE(ep)-1) { putc(',', fp); ch_written++; } } putc('}', fp); ch_written++; break; case ERL_BINARY: len = sprintf(buf , "#Bin"); buf += len; ch_written += len; break; case ERL_INTEGER: case ERL_SMALL_BIG: len = sprintf(buf , "%d", ERL_INT_VALUE(ep)); buf += len; ch_written += len; break; case ERL_U_INTEGER: case ERL_U_SMALL_BIG: len = sprintf(buf , "%d", ERL_INT_UVALUE(ep)); buf += len; ch_written += len; break; case ERL_FLOAT: len = sprintf(buf , "%f", ERL_FLOAT_VALUE(ep)); buf += len; ch_written += len; break; case ERL_FUNCTION: len = sprintf(buf , "#Fun<"); buf += len; ch_written += len; ch_written += erl_sprint_term(fp, ERL_FUN_MODULE(ep)); putc('.', fp); ch_written++; ch_written += erl_sprint_term(fp, ERL_FUN_INDEX(ep)); putc('.', fp); ch_written++; ch_written += erl_sprint_term(fp, ERL_FUN_UNIQ(ep)); putc('>', fp); ch_written++; break; default: ch_written = -10000; erl_err_msg("<ERROR> erl_sprint_term: Bad type of term !"); } return ch_written; }
int main(void) #endif { ei_x_buff eix; int index = 0; ETERM **etermpp = NULL, *etermp = NULL; char *charp = NULL; unsigned char uchar, **ucharpp = NULL, *ucharp = NULL; void *voidp = NULL; Erl_Heap *erl_heapp = NULL; int intx = 0; int *intp = NULL; unsigned int uintx, *uintp; unsigned long *ulongp = NULL; long longx = 0; double doublex = 0.0; short shortx = 42; FILE *filep = NULL; Erl_IpAddr erl_ipaddr = NULL; ErlMessage *erlmessagep = NULL; ErlConnect *erlconnectp = NULL; struct hostent *hostp = NULL; struct in_addr *inaddrp = NULL; /* Converion to erl_interface format is in liberl_interface */ intx = erl_errno; ei_encode_term(charp, &index, voidp); ei_x_encode_term(&eix, voidp); ei_decode_term(charp, &index, voidp); erl_init(voidp, longx); erl_connect_init(intx, charp,shortx); erl_connect_xinit(charp,charp,charp,erl_ipaddr,charp,shortx); erl_connect(charp); erl_xconnect(erl_ipaddr,charp); erl_close_connection(intx); erl_receive(intx, ucharp, intx); erl_receive_msg(intx, ucharp, intx, erlmessagep); erl_xreceive_msg(intx, ucharpp, intp, erlmessagep); erl_send(intx, etermp, etermp); erl_reg_send(intx, charp, etermp); erl_rpc(intx,charp,charp,etermp); erl_rpc_to(intx,charp,charp,etermp); erl_rpc_from(intx,intx,erlmessagep); erl_publish(intx); erl_accept(intx,erlconnectp); erl_thiscookie(); erl_thisnodename(); erl_thishostname(); erl_thisalivename(); erl_thiscreation(); erl_unpublish(charp); erl_err_msg(charp); erl_err_quit(charp); erl_err_ret(charp); erl_err_sys(charp); erl_cons(etermp,etermp); erl_copy_term(etermp); erl_element(intx,etermp); erl_hd(etermp); erl_iolist_to_binary(etermp); erl_iolist_to_string(etermp); erl_iolist_length(etermp); erl_length(etermp); erl_mk_atom(charp); erl_mk_binary(charp,intx); erl_mk_empty_list(); erl_mk_estring(charp, intx); erl_mk_float(doublex); erl_mk_int(intx); erl_mk_list(etermpp,intx); erl_mk_pid(charp,uintx,uintx,uchar); erl_mk_port(charp,uintx,uchar); erl_mk_ref(charp,uintx,uchar); erl_mk_long_ref(charp,uintx,uintx,uintx,uchar); erl_mk_string(charp); erl_mk_tuple(etermpp,intx); erl_mk_uint(uintx); erl_mk_var(charp); erl_print_term(filep,etermp); /* erl_sprint_term(charp,etermp); */ erl_size(etermp); erl_tl(etermp); erl_var_content(etermp, charp); erl_format(charp); erl_match(etermp, etermp); erl_global_names(intx, intp); erl_global_register(intx, charp, etermp); erl_global_unregister(intx, charp); erl_global_whereis(intx, charp, charp); erl_init_malloc(erl_heapp,longx); erl_alloc_eterm(uchar); erl_eterm_release(); erl_eterm_statistics(ulongp,ulongp); erl_free_array(etermpp,intx); erl_free_term(etermp); erl_free_compound(etermp); erl_malloc(longx); erl_free(voidp); erl_compare_ext(ucharp, ucharp); erl_decode(ucharp); erl_decode_buf(ucharpp); erl_encode(etermp,ucharp); erl_encode_buf(etermp,ucharpp); erl_ext_size(ucharp); erl_ext_type(ucharp); erl_peek_ext(ucharp,intx); erl_term_len(etermp); erl_gethostbyname(charp); erl_gethostbyaddr(charp, intx, intx); erl_gethostbyname_r(charp, hostp, charp, intx, intp); erl_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp); erl_init_resolve(); erl_distversion(intx); erl_epmd_connect(inaddrp); erl_epmd_port(inaddrp, charp, intp); charp = ERL_ATOM_PTR(etermp); intx = ERL_ATOM_SIZE(etermp); ucharp = ERL_BIN_PTR(etermp); intx = ERL_BIN_SIZE(etermp); etermp = ERL_CONS_HEAD(etermp); etermp = ERL_CONS_TAIL(etermp); intx = ERL_COUNT(etermp); doublex= ERL_FLOAT_VALUE(etermp); uintx = ERL_INT_UVALUE(etermp); intx = ERL_INT_VALUE(etermp); intx = ERL_IS_ATOM(etermp); intx = ERL_IS_BINARY(etermp); intx = ERL_IS_CONS(etermp); intx = ERL_IS_EMPTY_LIST(etermp); intx = ERL_IS_FLOAT(etermp); intx = ERL_IS_INTEGER(etermp); intx = ERL_IS_LIST(etermp); intx = ERL_IS_PID(etermp); intx = ERL_IS_PORT(etermp); intx = ERL_IS_REF(etermp); intx = ERL_IS_TUPLE(etermp); intx = ERL_IS_UNSIGNED_INTEGER(etermp); uchar = ERL_PID_CREATION(etermp); charp = ERL_PID_NODE(etermp); uintx = ERL_PID_NUMBER(etermp); uintx = ERL_PID_SERIAL(etermp); uchar = ERL_PORT_CREATION(etermp); charp = ERL_PORT_NODE(etermp); uintx = ERL_PORT_NUMBER(etermp); uchar = ERL_REF_CREATION(etermp); intx = ERL_REF_LEN(etermp); charp = ERL_REF_NODE(etermp); uintx = ERL_REF_NUMBER(etermp); uintp = ERL_REF_NUMBERS(etermp); etermp = ERL_TUPLE_ELEMENT(etermp,intx); intx = ERL_TUPLE_SIZE(etermp); return BUFSIZ + EAGAIN + EHOSTUNREACH + EINVAL + EIO + EMSGSIZE + ENOMEM + ERL_ATOM + ERL_BINARY + ERL_ERROR + ERL_EXIT + ERL_FLOAT + ERL_INTEGER + ERL_LINK + ERL_LIST + ERL_MSG + ERL_NO_TIMEOUT + ERL_PID + ERL_PORT + ERL_REF + ERL_REG_SEND + ERL_SEND + ERL_SMALL_BIG + ERL_TICK + ERL_TIMEOUT + ERL_TUPLE + ERL_UNLINK + ERL_U_INTEGER + ERL_U_SMALL_BIG + ERL_VARIABLE + ETIMEDOUT + MAXNODELEN + MAXREGLEN; }
/** ** rockse <path_to_tbl> <path_to_log> **/ int main(int argc, char **argv) { rockse * ptr; ETERM *from_erl; ETERM *cmd; ETERM *key; ETERM *value; char *ret; ETERM *to_send; byte buf[1024]; int length; log = fopen(argv[2], "a+"); erl_init(NULL, 0); fprintf(log, "*** rockse opening table %s\n", argv[1]); ptr = open(argv[1]); while (read_cmd(buf) > 0) { from_erl = erl_decode(buf); fprintf(log, " rockse command type %d\n", ERL_TYPE(from_erl)); if (match_close(from_erl)) { send_bok(); fprintf(log, " rockse command +close+ sent\n"); break; } if (ERL_IS_TUPLE(from_erl) && ERL_TUPLE_SIZE(from_erl) == 3) { /* can only be a {put, key, val} */ cmd = ERL_TUPLE_ELEMENT(from_erl, 0); if (match_put(cmd)) { key = ERL_TUPLE_ELEMENT(from_erl, 1); value = ERL_TUPLE_ELEMENT(from_erl, 2); fprintf(log, " rockse command +put+ %s %s sent\n", erl_iolist_to_string(key), erl_iolist_to_string(value)); put(ptr, erl_iolist_to_string(key), erl_iolist_to_string(value)); send_put_ok(); } erl_free_term(from_erl); erl_free_term(cmd); erl_free_term(key); erl_free_term(value); } if (ERL_IS_TUPLE(from_erl) && ERL_TUPLE_SIZE(from_erl) == 2) { /* can only be a {get, key} or {delete, key} */ cmd = ERL_TUPLE_ELEMENT(from_erl, 0); if (match_get(cmd)) { key = ERL_TUPLE_ELEMENT(from_erl, 1); fprintf(log, " rockse command +get+ %s sent\n", erl_iolist_to_string(key)); ret = get(ptr, erl_iolist_to_string(key)); if (ret == NULL) { send_nok(); } else { length = strlen(ret); fprintf(log, " rockse command +get+ found %s of size %d\n", ret, length); to_send = erl_format("{ok, get, ~s}", ret); send_get_result(to_send); free(ret); } } else if (match_delete(cmd)) { key = ERL_TUPLE_ELEMENT(from_erl, 1); fprintf(log, " rockse command +delete+ %s sent\n", erl_iolist_to_string(key)); delete(ptr, erl_iolist_to_string(key)); send_delete_ok(); } erl_free_term(from_erl); erl_free_term(cmd); erl_free_term(key); } fflush(log); } close_and_destroy(ptr); fprintf(log, "*** rockse closing table %s\n", argv[1]); erl_free_term(from_erl); fclose(log); return 0; }
/* * Dump (print for debugging) a term. Useful if/when things go wrong. */ void dump_term (FILE *fp, ETERM *t) { if (fp == NULL) return; fprintf(fp, "#<%p ", t); if(t != NULL) { fprintf(fp, "count:%d, type:%d", ERL_COUNT(t), ERL_TYPE(t)); switch(ERL_TYPE(t)) { case ERL_UNDEF: fprintf(fp, "==undef"); break; case ERL_INTEGER: fprintf(fp, "==int, val:%d", ERL_INT_VALUE(t)); break; case ERL_U_INTEGER: fprintf(fp, "==uint, val:%u", ERL_INT_UVALUE(t)); break; case ERL_FLOAT: fprintf(fp, "==float, val:%g", ERL_FLOAT_VALUE(t)); break; case ERL_ATOM: fprintf(fp, "==atom, name:%p \"%s\"", ERL_ATOM_PTR(t), ERL_ATOM_PTR(t)); break; case ERL_BINARY: fprintf(fp, "==binary, data:%p,%u", ERL_BIN_PTR(t), ERL_BIN_SIZE(t)); break; case ERL_PID: fprintf(fp, "==pid, node:%p \"%s\"", ERL_PID_NODE(t), ERL_PID_NODE(t)); break; case ERL_PORT: fprintf(fp, "==port, node:%p \"%s\"", ERL_PORT_NODE(t), ERL_PORT_NODE(t)); break; case ERL_REF: fprintf(fp, "==ref, node:%p \"%s\"", ERL_REF_NODE(t), ERL_REF_NODE(t)); break; case ERL_CONS: fprintf(fp, "==cons"); fprintf(fp, ", car:"); dump_term(fp, ERL_CONS_HEAD(t)); fprintf(fp, ", cdr:"); dump_term(fp, ERL_CONS_TAIL(t)); break; case ERL_NIL: fprintf(fp, "==nil"); break; case ERL_TUPLE: fprintf(fp, "==tuple, elems:%p,%u", ERL_TUPLE_ELEMS(t), ERL_TUPLE_SIZE(t)); { size_t i; for(i = 0; i < ERL_TUPLE_SIZE(t); i++) { fprintf(fp, "elem[%u]:", i); dump_term(fp, ERL_TUPLE_ELEMENT(t, i)); } } break; case ERL_VARIABLE: fprintf(fp, "==variable, name:%p \"%s\"", ERL_VAR_NAME(t), ERL_VAR_NAME(t)); fprintf(fp, ", value:"); dump_term(fp, ERL_VAR_VALUE(t)); break; default: break; } } fprintf(fp, ">"); }