Something went wrong. Try again.
Cider Isn't Darwin Emulation, Really
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ *//* * Copyright (c) 1985, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */
#include "xlocale_private.h"
#include <sys/param.h>#include <sys/file.h>#include <sys/stat.h>#include <stdio.h>#include <ctype.h>#include <stdlib.h>#include <unistd.h>#include <paths.h>
/* * Local shells should NOT be added here. They should be added in * /etc/shells. */
static const char * const okshells[] = { _PATH_BSHELL, _PATH_CSHELL, NULL };static char **curshell, **shells, *strings;static char **initshells(void);
/* * Get a list of shells from _PATH_SHELLS, if it exists. */char *getusershell(void){ char *ret;
if (curshell == NULL) curshell = initshells(); ret = *curshell; if (ret != NULL) curshell++; return (ret);}
voidendusershell(void){ if (shells != NULL) free(shells); shells = NULL; if (strings != NULL) free(strings); strings = NULL; curshell = NULL;}
voidsetusershell(void){ curshell = initshells();}
static char **initshells(void){ register char **sp, *cp; register FILE *fp; struct stat statb; locale_t loc = __current_locale();
if (shells != NULL) free(shells); shells = NULL; if (strings != NULL) free(strings); strings = NULL; if ((fp = fopen(_PATH_SHELLS, "r")) == NULL) return ((char **)okshells); if (fstat(fileno(fp), &statb) == -1) { (void)fclose(fp); return ((char **)okshells); } if ((strings = malloc((u_int)statb.st_size)) == NULL) { (void)fclose(fp); return ((char **)okshells); } shells = calloc((unsigned)statb.st_size / 3, sizeof (char *)); if (shells == NULL) { (void)fclose(fp); free(strings); strings = NULL; return ((char **)okshells); } sp = shells; cp = strings; while (fgets(cp, MAXPATHLEN + 1, fp) != NULL) { while (*cp != '#' && *cp != '/' && *cp != '\0') cp++; if (*cp == '#' || *cp == '\0') continue; *sp++ = cp; while (!isspace_l(*cp, loc) && *cp != '#' && *cp != '\0') cp++; *cp++ = '\0'; } *sp = NULL; (void)fclose(fp); return (shells);}