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_tmdir(), 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 startdir = curdir; 61 } 62 ret = snprintf(dataroot, PATH_MAX, "%s/datafiles", startdir); 63 } 64 65 if (ret < 0 || ret >= PATH_MAX) 66 tst_brkm(TBROK, NULL, "tst_dataroot snprintf: %d", ret); 67 } 68 69 const char *tst_dataroot(void) 70 { 71 if (dataroot[0] == 0) { 72 pthread_mutex_lock(&tmutex); 73 if (dataroot[0] == 0) 74 tst_dataroot_init(); 75 pthread_mutex_unlock(&tmutex); 76 } 77 return dataroot; 78 } 79 80 static int file_copy(const char *file, const int lineno, 81 void (*cleanup_fn)(void), const char *path, 82 const char *filename, const char *dest) 83 { 84 size_t len = strlen(path) + strlen(filename) + 2; 85 char buf[len]; 86 87 snprintf(buf, sizeof(buf), "%s/%s", path, filename); 88 89 /* check if file exists */ 90 if (access(buf, R_OK)) 91 return 0; 92 93 safe_cp(file, lineno, cleanup_fn, buf, dest); 94 95 return 1; 96 } 97 98 void tst_resource_copy(const char *file, const int lineno, 99 void (*cleanup_fn)(void), 100 const char *filename, const char *dest) 101 { 102 if (!tst_tmpdir_created()) { 103 tst_brkm(TBROK, cleanup_fn, 104 "Temporary directory doesn't exist at %s:%d", 105 file, lineno); 106 } 107 108 if (dest == NULL) 109 dest = "."; 110 111 const char *ltproot = getenv("LTPROOT"); 112 const char *dataroot = tst_dataroot(); 113 114 /* look for data files in $LTP_DATAROOT, $LTPROOT/testcases/bin 115 * and $CWD */ 116 if (file_copy(file, lineno, cleanup_fn, dataroot, filename, dest)) 117 return; 118 119 if (ltproot != NULL) { 120 char buf[strlen(ltproot) + 64]; 121 122 snprintf(buf, sizeof(buf), "%s/testcases/bin", ltproot); 123 124 if (file_copy(file, lineno, cleanup_fn, buf, filename, dest)) 125 return; 126 } 127 128 /* try directory test started in as last resort */ 129 const char *startwd = tst_get_startwd(); 130 if (file_copy(file, lineno, cleanup_fn, startwd, filename, dest)) 131 return; 132 133 tst_brkm(TBROK, cleanup_fn, "Failed to copy resource '%s' at %s:%d", 134 filename, file, lineno); 135 } 136
