ccanlint: Move ccanlint test options from _info comments to code

[ccan] / tools / depends.c

diff --git a/tools/depends.c b/tools/depends.c
index 871a3e8712368a649dc3d2d478e696087496bd57..95bda1b50a7b33088f41345a7369fa5e982ffa21 100644 (file)
--- a/tools/depends.c
+++ b/tools/depends.c
@@ -227,7 +227,7 @@ get_all_deps(const void *ctx, const char *dir, const char *style,
        return deps;
 }
 
-/* Can return NULL: _info may not support 'libs'. */
+/* Can return NULL: _info may not support prop. */
 static char **get_one_prop(const void *ctx, const char *dir, const char *prop,
                           char *(*get_info)(const void *ctx, const char *dir))
 {
@@ -253,6 +253,12 @@ static char **get_one_cflags(const void *ctx, const char *dir,
        return get_one_prop(ctx, dir, "cflags", get_info);
 }
 
+static char **get_one_ccanlint(const void *ctx, const char *dir,
+                              char *(*get_info)(const void *ctx, const char *dir))
+{
+       return get_one_prop(ctx, dir, "ccanlint", get_info);
+}
+
 /* O(n^2) but n is small. */
 static char **add_deps(char **deps1, char **deps2)
 {
@@ -282,6 +288,63 @@ char **get_cflags(const void *ctx, const char *dir,
        return flags;
 }
 
+char **get_ccanlint(const void *ctx, const char *dir,
+                   char *(*get_info)(const void *ctx, const char *dir))
+{
+       char **ccanlint;
+       unsigned int len;
+       ccanlint = get_one_ccanlint(ctx, dir, get_info);
+       len = tal_count(ccanlint);
+       tal_resize(&ccanlint, len + 1);
+       ccanlint[len] = NULL;
+       return ccanlint;
+}
+
+static char *get_one_ported(const void *ctx, const char *dir,
+                           char *(*get_info)(const void *ctx, const char *dir))
+{
+       char **ported = get_one_prop(ctx, dir, "ported", get_info);
+
+       /* No news is good news. */
+       if (!ported || tal_count(ported) == 0)
+               return NULL;
+
+       if (tal_count(ported) != 1)
+               errx(1, "%s/_info ported gave %zu lines, not one",
+                    dir, tal_count(ported));
+
+       if (streq(ported[0], ""))
+               return NULL;
+       else
+               return ported[0];
+}
+
+char *get_ported(const void *ctx, const char *dir, bool recurse,
+               char *(*get_info)(const void *ctx, const char *dir))
+{
+       char *msg;
+
+       msg = get_one_ported(ctx, dir, get_info);
+       if (msg)
+               return msg;
+
+       if (recurse) {
+               size_t i;
+               char **deps = get_deps(ctx, dir, "depends", true, get_info);
+               for (i = 0; deps[i]; i++) {
+                       char *subdir;
+                       if (!strstarts(deps[i], "ccan/"))
+                               continue;
+
+                       subdir = path_join(ctx, find_ccan_dir(dir), deps[i]);
+                       msg = get_one_ported(ctx, subdir, get_info);
+                       if (msg)
+                               return msg;
+               }
+       }
+       return NULL;
+}
+
 char **get_libs(const void *ctx, const char *dir, const char *style,
                char *(*get_info)(const void *ctx, const char *dir))
 {