t_glob.c revision 272458
1/* $NetBSD: t_glob.c,v 1.3 2013/01/02 11:28:48 martin Exp $ */ 2/*- 3 * Copyright (c) 2010 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Christos Zoulas 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35__RCSID("$NetBSD: t_glob.c,v 1.3 2013/01/02 11:28:48 martin Exp $"); 36 37#include <atf-c.h> 38 39#include <sys/param.h> 40#include <sys/stat.h> 41 42#include <dirent.h> 43#include <glob.h> 44#include <stdio.h> 45#include <stdlib.h> 46#include <string.h> 47#include <errno.h> 48 49#include "../../../h_macros.h" 50 51 52#ifdef DEBUG 53#define DPRINTF(a) printf a 54#else 55#define DPRINTF(a) 56#endif 57 58struct gl_file { 59 const char *name; 60 int dir; 61}; 62 63static struct gl_file a[] = { 64 { "1", 0 }, 65 { "b", 1 }, 66 { "3", 0 }, 67 { "4", 0 }, 68}; 69 70static struct gl_file b[] = { 71 { "x", 0 }, 72 { "y", 0 }, 73 { "z", 0 }, 74 { "w", 0 }, 75}; 76 77struct gl_dir { 78 const char *name; /* directory name */ 79 const struct gl_file *dir; 80 size_t len, pos; 81}; 82 83static struct gl_dir d[] = { 84 { "a", a, __arraycount(a), 0 }, 85 { "a/b", b, __arraycount(b), 0 }, 86}; 87 88static const char *glob_star[] = { 89 "a/1", "a/3", "a/4", "a/b", "a/b/w", "a/b/x", "a/b/y", "a/b/z", 90}; 91 92static const char *glob_star_not[] = { 93 "a/1", "a/3", "a/4", "a/b", 94}; 95 96static void 97trim(char *buf, size_t len, const char *name) 98{ 99 char *path = buf, *epath = buf + len; 100 while (path < epath && (*path++ = *name++) != '\0') 101 continue; 102 path--; 103 while (path > buf && *--path == '/') 104 *path = '\0'; 105} 106 107static void * 108gl_opendir(const char *dir) 109{ 110 size_t i; 111 char buf[MAXPATHLEN]; 112 trim(buf, sizeof(buf), dir); 113 114 for (i = 0; i < __arraycount(d); i++) 115 if (strcmp(buf, d[i].name) == 0) { 116 DPRINTF(("opendir %s %zu\n", buf, i)); 117 return &d[i]; 118 } 119 errno = ENOENT; 120 return NULL; 121} 122 123static struct dirent * 124gl_readdir(void *v) 125{ 126 static struct dirent dir; 127 struct gl_dir *dd = v; 128 if (dd->pos < dd->len) { 129 const struct gl_file *f = &dd->dir[dd->pos++]; 130 strcpy(dir.d_name, f->name); 131 dir.d_namlen = strlen(f->name); 132 dir.d_ino = dd->pos; 133 dir.d_type = f->dir ? DT_DIR : DT_REG; 134 DPRINTF(("readdir %s %d\n", dir.d_name, dir.d_type)); 135 dir.d_reclen = _DIRENT_RECLEN(&dir, dir.d_namlen); 136 return &dir; 137 } 138 return NULL; 139} 140 141static int 142gl_stat(const char *name , __gl_stat_t *st) 143{ 144 char buf[MAXPATHLEN]; 145 trim(buf, sizeof(buf), name); 146 memset(st, 0, sizeof(*st)); 147 148 if (strcmp(buf, "a") == 0 || strcmp(buf, "a/b") == 0) { 149 st->st_mode |= _S_IFDIR; 150 return 0; 151 } 152 153 if (buf[0] == 'a' && buf[1] == '/') { 154 struct gl_file *f; 155 size_t offs, count; 156 157 if (buf[2] == 'b' && buf[3] == '/') { 158 offs = 4; 159 count = __arraycount(b); 160 f = b; 161 } else { 162 offs = 2; 163 count = __arraycount(a); 164 f = a; 165 } 166 167 for (size_t i = 0; i < count; i++) 168 if (strcmp(f[i].name, buf + offs) == 0) 169 return 0; 170 } 171 DPRINTF(("stat %s %d\n", buf, st->st_mode)); 172 errno = ENOENT; 173 return -1; 174} 175 176static int 177gl_lstat(const char *name , __gl_stat_t *st) 178{ 179 return gl_stat(name, st); 180} 181 182static void 183gl_closedir(void *v) 184{ 185 struct gl_dir *dd = v; 186 dd->pos = 0; 187 DPRINTF(("closedir %p\n", dd)); 188} 189 190static void 191run(const char *p, int flags, const char **res, size_t len) 192{ 193 glob_t gl; 194 size_t i; 195 196 memset(&gl, 0, sizeof(gl)); 197 gl.gl_opendir = gl_opendir; 198 gl.gl_readdir = gl_readdir; 199 gl.gl_closedir = gl_closedir; 200 gl.gl_stat = gl_stat; 201 gl.gl_lstat = gl_lstat; 202 203 RZ(glob(p, GLOB_ALTDIRFUNC | flags, NULL, &gl)); 204 205 for (i = 0; i < gl.gl_pathc; i++) 206 DPRINTF(("%s\n", gl.gl_pathv[i])); 207 208 ATF_CHECK(len == gl.gl_pathc); 209 for (i = 0; i < gl.gl_pathc; i++) 210 ATF_CHECK_STREQ(gl.gl_pathv[i], res[i]); 211 212 globfree(&gl); 213} 214 215 216ATF_TC(glob_star); 217ATF_TC_HEAD(glob_star, tc) 218{ 219 atf_tc_set_md_var(tc, "descr", 220 "Test glob(3) ** with GLOB_STAR"); 221} 222 223ATF_TC_BODY(glob_star, tc) 224{ 225 run("a/**", GLOB_STAR, glob_star, __arraycount(glob_star)); 226} 227 228ATF_TC(glob_star_not); 229ATF_TC_HEAD(glob_star_not, tc) 230{ 231 atf_tc_set_md_var(tc, "descr", 232 "Test glob(3) ** without GLOB_STAR"); 233} 234 235 236ATF_TC_BODY(glob_star_not, tc) 237{ 238 run("a/**", 0, glob_star_not, __arraycount(glob_star_not)); 239} 240 241#if 0 242ATF_TC(glob_nocheck); 243ATF_TC_HEAD(glob_nocheck, tc) 244{ 245 atf_tc_set_md_var(tc, "descr", 246 "Test glob(3) pattern with backslash and GLOB_NOCHECK"); 247} 248 249 250ATF_TC_BODY(glob_nocheck, tc) 251{ 252 static const char pattern[] = { 'f', 'o', 'o', '\\', ';', 'b', 'a', 253 'r', '\0' }; 254 static const char *glob_nocheck[] = { 255 pattern 256 }; 257 run(pattern, GLOB_NOCHECK, glob_nocheck, __arraycount(glob_nocheck)); 258} 259#endif 260 261ATF_TP_ADD_TCS(tp) 262{ 263 ATF_TP_ADD_TC(tp, glob_star); 264 ATF_TP_ADD_TC(tp, glob_star_not); 265/* 266 * Remove this test for now - the GLOB_NOCHECK return value has been 267 * re-defined to return a modified pattern in revision 1.33 of glob.c 268 * 269 * ATF_TP_ADD_TC(tp, glob_nocheck); 270 */ 271 272 return atf_no_error(); 273} 274