+++ /dev/null
-#include "ccanlint.h"
-#include <talloc/talloc.h>
-#include <string/string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <limits.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <err.h>
-#include <string.h>
-
-static const char explain[]
-= "Headers usually start with the C preprocessor lines to prevent multiple\n"
- "inclusions. These look like the following:\n"
- "#ifndef MY_HEADER_H\n"
- "#define MY_HEADER_H\n"
- "...\n"
- "#endif /* MY_HEADER_H */\n";
-
-static char *report_idem(struct ccan_file *f, char *sofar)
-{
- char **lines;
- char *secondline;
-
- lines = get_ccan_file_lines(f);
- if (f->num_lines < 3)
- /* FIXME: We assume small headers probably uninteresting. */
- return NULL;
-
- if (!strstarts(lines[0], "#ifndef "))
- return talloc_asprintf_append(sofar,
- "%s:1:expect first line to be #ifndef.\n", f->name);
-
- secondline = talloc_asprintf(f, "#define %s",
- lines[0] + strlen("#ifndef "));
- if (!streq(lines[1], secondline))
- return talloc_asprintf_append(sofar,
- "%s:2:expect second line to be '%s'.\n",
- f->name, secondline);
-
- return sofar;
-}
-
-static void *check_idempotent(struct manifest *m)
-{
- struct ccan_file *f;
- char *report = NULL;
-
- list_for_each(&m->h_files, f, list)
- report = report_idem(f, report);
-
- return report;
-}
-
-static const char *describe_idempotent(struct manifest *m, void *check_result)
-{
- return talloc_asprintf(check_result,
- "Some headers not idempotent:\n"
- "%s\n%s", (char *)check_result,
- explain);
-}
-
-struct ccanlint idempotent = {
- .name = "Headers are #ifndef/#define idempotent wrapped",
- .total_score = 1,
- .check = check_idempotent,
- .describe = describe_idempotent,
-};