/* vi: set sw=4 ts=4: */ /* * Utility routines. * * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> * * 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 02111-1307 USA */ #include <stdlib.h> #include <errno.h> #include <assert.h> #include "libbb.h" #ifdef L_safe_strtoi extern int safe_strtoi(char *arg, int* value) { int error; long lvalue = *value; error = safe_strtol(arg, &lvalue); *value = (int) lvalue; return error; } #endif #ifdef L_safe_strtod extern int safe_strtod(char *arg, double* value) { char *endptr; int errno_save = errno; assert(arg!=NULL); errno = 0; *value = strtod(arg, &endptr); if (errno != 0 || *endptr!='\0' || endptr==arg) { return 1; } errno = errno_save; return 0; } #endif #ifdef L_safe_strtol extern int safe_strtol(char *arg, long* value) { char *endptr; int errno_save = errno; assert(arg!=NULL); errno = 0; *value = strtol(arg, &endptr, 0); if (errno != 0 || *endptr!='\0' || endptr==arg) { return 1; } errno = errno_save; return 0; } #endif #ifdef L_safe_strtoul extern int safe_strtoul(char *arg, unsigned long* value) { char *endptr; int errno_save = errno; assert(arg!=NULL); errno = 0; *value = strtoul(arg, &endptr, 0); if (errno != 0 || *endptr!='\0' || endptr==arg) { return 1; } errno = errno_save; return 0; } #endif