1 /* 2 * Copyright (C) 2012 Cyril Hrubis chrubis (at) suse.cz 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 22 */ 23 24 #include <pthread.h> 25 #include "test.h" 26 #include "old_resource.h" 27 #include "ltp_priv.h" 28 29 #ifndef PATH_MAX 30 #ifdef MAXPATHLEN 31 #define PATH_MAX MAXPATHLEN 32 #else 33 #define PATH_MAX 1024 34 #endif 35 #endif 36 37 static pthread_mutex_t tmutex = PTHREAD_MUTEX_INITIALIZER; 38 static char dataroot[PATH_MAX]; 39 extern char *TCID; 40 41 static void tst_dataroot_init(void) 42 { 43 const char *ltproot = getenv("LTPROOT"); 44 char curdir[PATH_MAX]; 45 const char *startdir; 46 int ret; 47 48 /* 1. if LTPROOT is set, use $LTPROOT/testcases/data/$TCID 49 * 2. else if startwd is set by tst_tmpdir(), use $STARWD/datafiles 50 * 3. else use $CWD/datafiles */ 51 if (ltproot) { 52 ret = snprintf(dataroot, PATH_MAX, "%s/testcases/data/%s", 53 ltproot, TCID); 54 } else { 55 startdir = tst_get_startwd(); 56 if (startdir[0] == 0) { 57 if (getcwd(curdir, PATH_MAX) == NULL) { 58 tst_brkm(TBROK | TERRNO, NULL, 59 "tst_dataroot getcwd"); 60 return; 61 } 62 startdir = curdir; 63 } 64 ret = snprintf(dataroot, PATH_MAX, "%s/datafiles", startdir); 65 } 66 67 if (ret < 0 || ret >= PATH_MAX) 68 tst_brkm(TBROK, NULL, "tst_dataroot snprintf: %d", ret); 69 } 70 71 const char *tst_dataroot(void) 72 { 73 if (dataroot[0] == 0) { 74 pthread_mutex_lock(&tmutex); 75 if (dataroot[0] == 0) 76 tst_dataroot_init(); 77 pthread_mutex_unlock(&tmutex); 78 } 79 return dataroot; 80 } 81 82 static int file_copy(const char *file, const int lineno, 83 void (*cleanup_fn)(void), const char *path, 84 const char *filename, const char *dest) 85 { 86 size_t len = strlen(path) + strlen(filename) + 2; 87 char buf[len]; 88 89 snprintf(buf, sizeof(buf), "%s/%s", path, filename); 90 91 /* check if file exists */ 92 if (access(buf, R_OK)) 93 return 0; 94 95 safe_cp(file, lineno, cleanup_fn, buf, dest); 96 97 return 1; 98 } 99 100 void tst_resource_copy(const char *file, const int lineno, 101 void (*cleanup_fn)(void), 102 const char *filename, const char *dest) 103 { 104 if (!tst_tmpdir_created()) { 105 tst_brkm(TBROK, cleanup_fn, 106 "Temporary directory doesn't exist at %s:%d", 107 file, lineno); 108 return; 109 } 110 111 if (dest == NULL) 112 dest = "."; 113 114 const char *ltproot = getenv("LTPROOT"); 115 const char *dataroot = tst_dataroot(); 116 117 /* look for data files in $LTP_DATAROOT, $LTPROOT/testcases/bin 118 * and $CWD */ 119 if (file_copy(file, lineno, cleanup_fn, dataroot, filename, dest)) 120 return; 121 122 if (ltproot != NULL) { 123 char buf[strlen(ltproot) + 64]; 124 125 snprintf(buf, sizeof(buf), "%s/testcases/bin", ltproot); 126 127 if (file_copy(file, lineno, cleanup_fn, buf, filename, dest)) 128 return; 129 } 130 131 /* try directory test started in as last resort */ 132 const char *startwd = tst_get_startwd(); 133 if (file_copy(file, lineno, cleanup_fn, startwd, filename, dest)) 134 return; 135 136 tst_brkm(TBROK, cleanup_fn, "Failed to copy resource '%s' at %s:%d", 137 filename, file, lineno); 138 } 139
