/* * aegis - project change supervisor * Copyright (C) 1996 Peter Miller; * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. * * MANIFEST: functions to manipulate zero_pads */ #include #include #include #include #include wstring_ty * sub_zero_pad(scp, arg) sub_context_ty *scp; wstring_list_ty *arg; { wstring_ty *result; string_ty *s; long n; trace(("sub_zero_pad()\n{\n"/*}*/)); if (arg->nitems != 3) { sub_context_error_set(scp, i18n("requires two arguments")); trace(("return NULL;\n")); trace((/*{*/"}\n")); return 0; } s = wstr_to_str(arg->item[2]); n = atol(s->str_text); trace(("n = %ld;\n", n)); str_free(s); if (n <= arg->item[1]->wstr_length) result = wstr_copy(arg->item[1]); else { size_t len; char *buffer; string_ty *s2; size_t j; len = n - arg->item[1]->wstr_length; s = wstr_to_str(arg->item[1]); buffer = mem_alloc(len + 1); for (j = 0; j < len; ++j) buffer[j] = '0'; buffer[len] = 0; s2 = str_format("%s%S", buffer, s); trace(("result = \"%s\";\n", s2->str_text)); mem_free(buffer); str_free(s); result = str_to_wstr(s2); str_free(s2); } trace(("return %8.8lX;\n", (long)result)); trace((/*{*/"}\n")); return result; }