1 #include "cache.h" 2 3 static const char *get_pwd_cwd(void) 4 { 5 static char cwd[PATH_MAX + 1]; 6 char *pwd; 7 struct stat cwd_stat, pwd_stat; 8 if (getcwd(cwd, PATH_MAX) == NULL) 9 return NULL; 10 pwd = getenv("PWD"); 11 if (pwd && strcmp(pwd, cwd)) { 12 stat(cwd, &cwd_stat); 13 if (!stat(pwd, &pwd_stat) && 14 pwd_stat.st_dev == cwd_stat.st_dev && 15 pwd_stat.st_ino == cwd_stat.st_ino) { 16 strlcpy(cwd, pwd, PATH_MAX); 17 } 18 } 19 return cwd; 20 } 21 22 const char *make_nonrelative_path(const char *path) 23 { 24 static char buf[PATH_MAX + 1]; 25 26 if (is_absolute_path(path)) { 27 if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) 28 die("Too long path: %.*s", 60, path); 29 } else { 30 const char *cwd = get_pwd_cwd(); 31 if (!cwd) 32 die("Cannot determine the current working directory"); 33 if (snprintf(buf, PATH_MAX, "%s/%s", cwd, path) >= PATH_MAX) 34 die("Too long path: %.*s", 60, path); 35 } 36 return buf; 37 } 38
