--- /dev/null
+#include "config.h"
+#include "manifest.h"
+#include "tools.h"
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+#include <ccan/str_talloc/str_talloc.h>
+#include <ccan/talloc_link/talloc_link.h>
+#include <ccan/hash/hash.h>
+#include <ccan/htable/htable_type.h>
+#include <ccan/grab_file/grab_file.h>
+#include <ccan/noerr/noerr.h>
+#include <ccan/foreach/foreach.h>
+#include <ccan/asort/asort.h>
+#include <ccan/array_size/array_size.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <err.h>
+#include <errno.h>
+#include <dirent.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <assert.h>
+
+const char *ccan_dir;
+
+static size_t dir_hash(const char *name)
+{
+ return hash(name, strlen(name), 0);
+}
+
+static const char *manifest_name(const struct manifest *m)
+{
+ return m->dir;
+}
+
+static bool dir_cmp(const struct manifest *m, const char *dir)
+{
+ return strcmp(m->dir, dir) == 0;
+}
+
+HTABLE_DEFINE_TYPE(struct manifest, manifest_name, dir_hash, dir_cmp,
+ htable_manifest);
+static struct htable_manifest *manifests;
+
+const char *get_ccan_file_contents(struct ccan_file *f)
+{
+ if (!f->contents) {
+ f->contents = grab_file(f, f->fullname, &f->contents_size);
+ if (!f->contents)
+ err(1, "Reading file %s", f->fullname);
+ }
+ return f->contents;
+}
+
+char **get_ccan_file_lines(struct ccan_file *f)
+{
+ if (!f->lines)
+ f->lines = strsplit(f, get_ccan_file_contents(f), "\n");
+
+ /* FIXME: is f->num_lines necessary? */
+ f->num_lines = talloc_array_length(f->lines) - 1;
+ return f->lines;
+}
+
+struct ccan_file *new_ccan_file(const void *ctx, const char *dir, char *name)
+{
+ struct ccan_file *f;
+ unsigned int i;
+
+ assert(dir[0] == '/');
+
+ f = talloc(ctx, struct ccan_file);
+ f->lines = NULL;
+ f->line_info = NULL;
+ f->doc_sections = NULL;
+ for (i = 0; i < ARRAY_SIZE(f->compiled); i++)
+ f->compiled[i] = NULL;
+ f->name = talloc_steal(f, name);
+ f->fullname = talloc_asprintf(f, "%s/%s", dir, f->name);
+ f->contents = NULL;
+ f->simplified = NULL;
+ return f;
+}
+
+static void add_files(struct manifest *m, const char *dir)
+{
+ DIR *d;
+ struct dirent *ent;
+ char **subs = NULL;
+
+ if (dir[0])
+ d = opendir(dir);
+ else
+ d = opendir(".");
+ if (!d)
+ err(1, "Opening directory %s", dir[0] ? dir : ".");
+
+ while ((ent = readdir(d)) != NULL) {
+ struct stat st;
+ struct ccan_file *f;
+ struct list_head *dest;
+ bool is_c_src;
+
+ if (ent->d_name[0] == '.')
+ continue;
+
+ f = new_ccan_file(m, m->dir,
+ talloc_asprintf(m, "%s%s",
+ dir, ent->d_name));
+ if (lstat(f->name, &st) != 0)
+ err(1, "lstat %s", f->name);
+
+ if (S_ISDIR(st.st_mode)) {
+ size_t len = talloc_array_length(subs);
+ subs = talloc_realloc(m, subs, char *, len+1);
+ subs[len] = talloc_append_string(f->name, "/");
+ continue;
+ }
+ if (!S_ISREG(st.st_mode)) {
+ talloc_free(f);
+ continue;
+ }
+
+ if (streq(f->name, "_info")) {
+ m->info_file = f;
+ continue;
+ }
+
+ is_c_src = strends(f->name, ".c");
+ if (!is_c_src && !strends(f->name, ".h")) {
+ dest = &m->other_files;
+ } else if (!strchr(f->name, '/')) {
+ if (is_c_src)
+ dest = &m->c_files;
+ else
+ dest = &m->h_files;
+ } else if (strstarts(f->name, "test/")) {
+ if (is_c_src) {
+ if (strstarts(f->name, "test/api"))
+ dest = &m->api_tests;
+ else if (strstarts(f->name, "test/run"))
+ dest = &m->run_tests;
+ else if (strstarts(f->name, "test/compile_ok"))
+ dest = &m->compile_ok_tests;
+ else if (strstarts(f->name, "test/compile_fail"))
+ dest = &m->compile_fail_tests;
+ else
+ dest = &m->other_test_c_files;
+ } else
+ dest = &m->other_test_files;
+ } else
+ dest = &m->other_files;
+
+ list_add(dest, &f->list);
+ }
+ closedir(d);
+
+ /* Before we recurse, sanity check this is a ccan module. */
+ if (!dir[0]) {
+ size_t i;
+
+ if (!m->info_file
+ && list_empty(&m->c_files)
+ && list_empty(&m->h_files))
+ errx(1, "No _info, C or H files found here!");
+
+ for (i = 0; i < talloc_array_length(subs); i++)
+ add_files(m, subs[i]);
+ }
+ talloc_free(subs);
+}
+
+static int cmp_names(struct ccan_file *const *a, struct ccan_file *const *b,
+ void *unused)
+{
+ return strcmp((*a)->name, (*b)->name);
+}
+
+static void sort_files(struct list_head *list)
+{
+ struct ccan_file **files = NULL, *f;
+ unsigned int i, num;
+
+ num = 0;
+ while ((f = list_top(list, struct ccan_file, list)) != NULL) {
+ files = talloc_realloc(NULL, files, struct ccan_file *, num+1);
+ files[num++] = f;
+ list_del(&f->list);
+ }
+ asort(files, num, cmp_names, NULL);
+
+ for (i = 0; i < num; i++)
+ list_add_tail(list, &files[i]->list);
+ talloc_free(files);
+}
+
+struct manifest *get_manifest(const void *ctx, const char *dir)
+{
+ struct manifest *m;
+ char *olddir, *canon_dir;
+ unsigned int len;
+ struct list_head *list;
+
+ if (!manifests) {
+ manifests = talloc(NULL, struct htable_manifest);
+ htable_manifest_init(manifests);
+ }
+
+ olddir = talloc_getcwd(NULL);
+ if (!olddir)
+ err(1, "Getting current directory");
+
+ if (chdir(dir) != 0)
+ err(1, "Failed to chdir to %s", dir);
+
+ canon_dir = talloc_getcwd(olddir);
+ if (!canon_dir)
+ err(1, "Getting current directory");
+
+ m = htable_manifest_get(manifests, canon_dir);
+ if (m)
+ goto done;
+
+ m = talloc_linked(ctx, talloc(NULL, struct manifest));
+ m->info_file = NULL;
+ m->compiled[COMPILE_NORMAL] = m->compiled[COMPILE_NOFEAT] = NULL;
+ m->dir = talloc_steal(m, canon_dir);
+ list_head_init(&m->c_files);
+ list_head_init(&m->h_files);
+ list_head_init(&m->api_tests);
+ list_head_init(&m->run_tests);
+ list_head_init(&m->compile_ok_tests);
+ list_head_init(&m->compile_fail_tests);
+ list_head_init(&m->other_test_c_files);
+ list_head_init(&m->other_test_files);
+ list_head_init(&m->other_files);
+ list_head_init(&m->examples);
+ list_head_init(&m->mangled_examples);
+ list_head_init(&m->deps);
+
+ len = strlen(m->dir);
+ while (len && m->dir[len-1] == '/')
+ m->dir[--len] = '\0';
+
+ m->basename = strrchr(m->dir, '/');
+ if (!m->basename)
+ errx(1, "I don't expect to be run from the root directory");
+ m->basename++;
+
+ /* We expect the ccan dir to be two levels above module dir. */
+ if (!ccan_dir) {
+ char *p, *dir;
+ dir = talloc_strdup(NULL, m->dir);
+ p = strrchr(dir, '/');
+ if (!p)
+ errx(1, "I expect the ccan root directory in ../..");
+ *p = '\0';
+ p = strrchr(dir, '/');
+ if (!p)
+ errx(1, "I expect the ccan root directory in ../..");
+ *p = '\0';
+ ccan_dir = dir;
+ }
+
+ add_files(m, "");
+
+ /* Nicer to run tests in a predictable order. */
+ foreach_ptr(list, &m->api_tests, &m->run_tests, &m->compile_ok_tests,
+ &m->compile_fail_tests)
+ sort_files(list);
+
+ htable_manifest_add(manifests, m);
+
+done:
+ if (chdir(olddir) != 0)
+ err(1, "Returning to original directory '%s'", olddir);
+ talloc_free(olddir);
+
+ return m;
+}