1e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "cache.h" 2e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 3e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic const char *get_pwd_cwd(void) 4e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 5e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng static char cwd[PATH_MAX + 1]; 6e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *pwd; 7e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct stat cwd_stat, pwd_stat; 8e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (getcwd(cwd, PATH_MAX) == NULL) 9e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return NULL; 10e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pwd = getenv("PWD"); 11e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (pwd && strcmp(pwd, cwd)) { 12e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng stat(cwd, &cwd_stat); 13e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!stat(pwd, &pwd_stat) && 14e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pwd_stat.st_dev == cwd_stat.st_dev && 15e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pwd_stat.st_ino == cwd_stat.st_ino) { 16e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng strlcpy(cwd, pwd, PATH_MAX); 17e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 18e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 19e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return cwd; 20e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 21e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 22e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengconst char *make_nonrelative_path(const char *path) 23e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 24e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng static char buf[PATH_MAX + 1]; 25e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 26e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (is_absolute_path(path)) { 27e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) 28e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng die("Too long path: %.*s", 60, path); 29e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } else { 30e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *cwd = get_pwd_cwd(); 31e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!cwd) 32e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng die("Cannot determine the current working directory"); 33e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (snprintf(buf, PATH_MAX, "%s/%s", cwd, path) >= PATH_MAX) 34e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng die("Too long path: %.*s", 60, path); 35e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 36e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return buf; 37e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 38