/tools/thermal/

char *dirname; /* name of directory to search */ }; /* This is the list of directories that we search for source files */ static struct search_path *search_path_head, **search_path_tail; /* Detect infinite include recursion. */ #define MAX_SRCFILE_DEPTH (200) static int srcfile_depth; /* = 0 */ static char *get_dirname(const char *path) { const char *slash = strrchr(path, '/'); if (slash) { int len = slash - path; char *dir = xmalloc(len + 1); memcpy(dir, path, len); dir[len] = '\0'; return dir; } return NULL; } FILE *depfile; /* = NULL */ struct srcfile_state *current_srcfile; /* = NULL */ static char *initial_path; /* = NULL */ static int initial_pathlen; /* = 0 */ static bool initial_cpp = true; static void set_initial_path(char *fname) { int i, len = strlen(fname); xasprintf(&initial_path, "%s", fname); initial_pathlen = 0; for (i = 0; i != len; i++) if (initial_path[i] == '/') initial_pathlen++; } static char *shorten_to_initial_path(char *fname) { char *p1, *p2, *prevslash1 = NULL; int slashes = 0; for (p1 = fname, p2 = initial_path; *p1 && *p2; p1++, p2++) { if (*p1 != *p2) break; if (*p1 == '/') { prevslash1 = p1; slashes++; } } p1 = prevslash1 + 1; if (prevslash1) { int diff = initial_pathlen - slashes, i, j; int restlen = strlen(fname) - (p1 - fname); char *res; res = xmalloc((3 * diff) + restlen + 1); for (i = 0, j = 0; i != diff; i++) { res[j++] = '.'; res[j++] = '.'; res[j++] = '/'; } strcpy(res + j, p1); return res; } return NULL; } /** * Try to open a file in a given directory. * * If the filename is an absolute path, then dirname is ignored. If it is a * relative path, then we look in that directory for the file. * * @param dirname Directory to look in, or NULL for none * @param fname Filename to look for * @param fp Set to NULL if file did not open * @return allocated filename on success (caller must free), NULL on failure */ static char *try_open(const char *dirname, const char *fname, FILE **fp) { char *fullname; if (!dirname || fname[0] == '/') fullname = xstrdup(fname); else fullname = join_path(dirname, fname); *fp = fopen(fullname, "rb"); if (!*fp) { free(fullname); fullname = NULL; } return fullname; } /** * Open a file for read access * * If it is a relative filename, we search the full search path for it. * * @param fname Filename to open * @param fp Returns pointer to opened FILE, or NULL on failure * @return pointer to allocated filename, which caller must free */ static char *fopen_any_on_path(const char *fname, FILE **fp) { const char *cur_dir = NULL; struct search_path *node; char *fullname; /* Try current directory first */ assert(fp); if (current_srcfile) cur_dir = current_srcfile->dir; fullname = try_open(cur_dir, fname, fp); /* Failing that, try each search path in turn */ for (node = search_path_head; !*fp && node; node = node->next) fullname = try_open(node->dirname, fname, fp); return fullname; } FILE *srcfile_relative_open(const char *fname, char **fullnamep) { FILE *f; char *fullname; if (streq(fname, "-")) { f = stdin; fullname = xstrdup(""); } else { fullname = fopen_any_on_path(fname, &f); if (!f) die("Couldn't open \"%s\": %s\n", fname, strerror(errno)); } if (depfile) fprintf(depfile,