ccanlint: rename files to match keys

[ccan] / tools / ccanlint / tests / no_trailing_whitespace.c

diff --git a/tools/ccanlint/tests/no_trailing_whitespace.c b/tools/ccanlint/tests/no_trailing_whitespace.c
new file mode 100644 (file)
index 0000000..a66fd74
--- /dev/null
+++ b/tools/ccanlint/tests/no_trailing_whitespace.c
@@ -0,0 +1,60 @@
+/* Trailing whitespace test.  Almost embarrassing, but trivial. */
+#include <tools/ccanlint/ccanlint.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/foreach/foreach.h>
+#include <ccan/str/str.h>
+
+/* FIXME: only print full analysis if verbose >= 2.  */
+static char *get_trailing_whitespace(const char *line)
+{
+       const char *e = strchr(line, 0);
+       while (e>line && (e[-1]==' ' || e[-1]=='\t'))
+               e--;
+       if (*e == 0)
+               return NULL; //there were no trailing spaces
+       if (e == line)
+               return NULL; //the line only consists of spaces
+
+       if (strlen(line) > 20)
+               return talloc_asprintf(line, "...'%s'",
+                                      line + strlen(line) - 20);
+       return talloc_asprintf(line, "'%s'", line);
+}
+
+static void check_trailing_whitespace(struct manifest *m,
+                                     bool keep,
+                                     unsigned int *timeleft,
+                                     struct score *score)
+{
+       struct list_head *list;
+       struct ccan_file *f;
+       unsigned int i;
+
+       foreach_ptr(list, &m->c_files, &m->h_files) {
+               list_for_each(list, f, list) {
+                       char **lines = get_ccan_file_lines(f);
+                       for (i = 0; i < f->num_lines; i++) {
+                               char *err = get_trailing_whitespace(lines[i]);
+                               if (err) {
+                                       score->error = "Trailing whitespace"
+                                               " found";
+                                       score_file_error(score, f, i+1, err);
+                               }
+                       }
+               }
+       }
+       if (!score->error) {
+               score->pass = true;
+               score->score = score->total;
+       }
+}
+
+struct ccanlint no_trailing_whitespace = {
+       .key = "no_trailing_whitespace",
+       .name = "Module's source code has no trailing whitespace",
+       .check = check_trailing_whitespace,
+       .needs = ""
+};
+
+
+REGISTER_TEST(no_trailing_whitespace);