--- /dev/null
+/*
+ * Copyright (c) 2011 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif /* STDC_HEADERS */
+#ifdef HAVE_STRING_H
+# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
+# include <memory.h>
+# endif
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+
+#include "missing.h"
+#include "error.h"
+
+extern void writeln_wrap(FILE *fp, char *line, size_t len, size_t maxlen);
+
+static void
+usage(void)
+{
+ fprintf(stderr, "usage: check_wrap inputfile\n");
+ exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+ size_t len;
+ FILE *fp;
+ char *cp, *dash, *line, lines[2][2048];
+ int which = 0;
+
+ if (argc != 2)
+ usage();
+
+ fp = fopen(argv[1], "r");
+ if (fp == NULL)
+ errorx(1, "unable to open %s", argv[1]);
+
+ /*
+ * Each test record consists of a log entry on one line and a list of
+ * line lengths to test it with on the next. E.g.
+ *
+ * Jun 30 14:49:51 : millert : TTY=ttypn ; PWD=/usr/src/local/millert/hg/sudo/trunk/plugins/sudoers ; USER=root ; TSID=0004LD ; COMMAND=/usr/local/sbin/visudo
+ * 60-80,40
+ */
+ while ((line = fgets(lines[which], sizeof(lines[which]), fp)) != NULL) {
+ len = strcspn(line, "\n");
+ line[len] = '\0';
+
+ /* If we read the 2nd line, parse list of line lengths and check. */
+ if (which) {
+ for (cp = strtok(lines[1], ","); cp != NULL; cp = strtok(NULL, ",")) {
+ size_t maxlen;
+ /* May be either a number or a range. */
+ len = maxlen = atoi(cp);
+ dash = strchr(cp, '-');
+ if (dash)
+ maxlen = atoi(dash + 1);
+ while (len <= maxlen) {
+ printf("# word wrap at %d characters\n", (int)len);
+ writeln_wrap(stdout, lines[0], strlen(lines[0]), len);
+ len++;
+ }
+ }
+ }
+ which = !which;
+ }
+
+ exit(0);
+}
+
+void
+cleanup(int gotsig)
+{
+ return;
+}