mdocml: Prefer warn(3) over perror(3) at the few places where it was

[schwarze@mdocml.bsd.lv]

Log Message:
-----------
Prefer warn(3) over perror(3) at the few places where it was used.
It is useful to see the program name, and we have err.h compat in place anyway.
Suggested by Christos Zoulas (NetBSD).

Modified Files:
--------------
    mdocml:
        mandocdb.c
        mansearch.c

Revision Data
-------------
Index: mansearch.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mansearch.c,v
retrieving revision 1.63
retrieving revision 1.64
diff -Lmansearch.c -Lmansearch.c -u -p -r1.63 -r1.64
--- mansearch.c
+++ mansearch.c
@@ -125,7 +125,7 @@ mansearch_setup(int start)
 		    MAP_SHARED | MAP_ANON, -1, 0);
 
 		if (MAP_FAILED == pagecache) {
-			perror("mmap");
+			warn("mmap");
 			pagecache = NULL;
 			return (int)MANDOCLEVEL_SYSERR;
 		}
@@ -144,7 +144,7 @@ mansearch_setup(int start)
 	}
 
 	if (-1 == munmap(pagecache, PC_PAGESIZE * PC_NUMPAGES)) {
-		perror("munmap");
+		warn("munmap");
 		pagecache = NULL;
 		return (int)MANDOCLEVEL_SYSERR;
 	}
@@ -226,12 +226,12 @@ mansearch(const struct mansearch *search
 				warnx("%s: getcwd: %s", paths->paths[i], buf);
 				continue;
 			} else if (chdir(buf) == -1) {
-				perror(buf);
+				warn("%s", buf);
 				continue;
 			}
 		}
 		if (chdir(paths->paths[i]) == -1) {
-			perror(paths->paths[i]);
+			warn("%s", paths->paths[i]);
 			continue;
 		}
 		chdir_status = 1;
@@ -364,7 +364,7 @@ mansearch(const struct mansearch *search
 	}
 	qsort(*res, cur, sizeof(struct manpage), manpage_compare);
 	if (chdir_status && getcwd_status && chdir(buf) == -1)
-		perror(buf);
+		warn("%s", buf);
 	exprfree(e);
 	free(sql);
 	*sz = cur;
Index: mandocdb.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mandocdb.c,v
retrieving revision 1.213
retrieving revision 1.214
diff -Lmandocdb.c -Lmandocdb.c -u -p -r1.213 -r1.214
--- mandocdb.c
+++ mandocdb.c
@@ -341,7 +341,7 @@ mandocdb(int argc, char *argv[])
 
 #if HAVE_PLEDGE
 	if (pledge("stdio rpath wpath cpath fattr flock proc exec", NULL) == -1) {
-		perror("pledge");
+		warn("pledge");
 		return (int)MANDOCLEVEL_SYSERR;
 	}
 #endif
@@ -422,7 +422,7 @@ mandocdb(int argc, char *argv[])
 #if HAVE_PLEDGE
 	if (nodb) {
 		if (pledge("stdio rpath", NULL) == -1) {
-			perror("pledge");
+			warn("pledge");
 			return (int)MANDOCLEVEL_SYSERR;
 		}
 	}
@@ -456,7 +456,7 @@ mandocdb(int argc, char *argv[])
 #if HAVE_PLEDGE
 			if (!nodb) {
 				if (pledge("stdio rpath wpath cpath fattr flock", NULL) == -1) {
-					perror("pledge");
+					warn("pledge");
 					exitcode = (int)MANDOCLEVEL_SYSERR;
 					goto out;
 				}
--
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