/* * Copyright (c) 2018 Stefan Sperling * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include "got_path_priv.h" int got_path_is_absolute(const char *path) { return path[0] == '/'; } char * got_path_get_absolute(const char *relpath) { char cwd[PATH_MAX]; char *abspath; if (getcwd(cwd, sizeof(cwd)) == NULL) return NULL; if (asprintf(&abspath, "%s/%s/", cwd, relpath) == -1) return NULL; return abspath; } char * got_path_normalize(const char *path) { char *resolved; resolved = realpath(path, NULL); if (resolved == NULL) return NULL; if (!got_path_is_absolute(resolved)) { char *abspath = got_path_get_absolute(resolved); free(resolved); resolved = abspath; } return resolved; } FILE * got_opentemp(void) { char name[PATH_MAX]; int fd; FILE *f; if (strlcpy(name, "/tmp/got.XXXXXXXX", sizeof(name)) >= sizeof(name)) return NULL; fd = mkstemp(name); if (fd < 0) return NULL; unlink(name); f = fdopen(fd, "w+"); if (f == NULL) { close(fd); return NULL; } return f; }