Fix more compiler warnings.

e2fsck/journal.c

@@ -122,10 +122,11 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhp[])
 			}
 			bh->b_dirty = 0;
 			bh->b_uptodate = 1;
-		} else
+		} else {
 			jfs_debug(3, "no-op %s for block %lu\n",
 				  rw == READ ? "read" : "write", 
 				  (unsigned long) bh->b_blocknr);
+		}
 	}
 }
 

e2fsck/pass1.c

@@ -37,6 +37,7 @@
  * found.
  */
 
+#define _GNU_SOURCE 1 /* get strnlen() */
 #include <string.h>
 #include <time.h>
 #ifdef HAVE_ERRNO_H

e2fsck/pass2.c

@@ -41,6 +41,7 @@
  * 	- The inode_reg_map bitmap
  */
 
+#define _GNU_SOURCE 1 /* get strnlen() */
 #include <string.h>
 
 #include "e2fsck.h"

lib/uuid/tst_uuid.c

@@ -10,6 +10,7 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 
 #include "uuid.h"
 
@@ -20,7 +21,7 @@ static int test_uuid(const char * uuid, int isValid)
 	int parsedOk;
 
 	parsedOk = uuid_parse(uuid, uuidBits) == 0;
-	
+
 	printf("%s is %s", uuid, validStr[isValid]);
 	if (parsedOk != isValid) {
 		printf(" but uuid_parse says %s\n", validStr[parsedOk]);
@@ -78,7 +79,7 @@ main(int argc, char **argv)
 		failed++;
 	}
 	printf("\n");
-	
+
 	uuid_generate_time(buf);
 	uuid_unparse(buf, str);
 	printf("UUID string = %s\n", str);
@@ -135,13 +136,10 @@ main(int argc, char **argv)
 	failed += test_uuid("84949cc5-4701-4a84-895b0354c584a981b", 0);
 	failed += test_uuid("g4949cc5-4701-4a84-895b-354c584a981b", 0);
 	failed += test_uuid("84949cc5-4701-4a84-895b-354c584a981g", 0);
-	
+
 	if (failed) {
 		printf("%d failures.\n", failed);
 		exit(1);
 	}
 	return 0;
 }
-
-	
-

misc/mklost+found.c

@@ -45,6 +45,7 @@ int main (int argc, char ** argv)
 	fprintf (stderr, "mklost+found %s (%s)\n", E2FSPROGS_VERSION,
 		 E2FSPROGS_DATE);
 	if (argc != 1) {
+		(void)argv; /* avoid unused argument warning */
 		fprintf (stderr, _("Usage: mklost+found\n"));
 		exit(1);
 	}

misc/tune2fs.c

@@ -25,6 +25,8 @@
  * 94/03/06	- Added the checks interval from Uwe Ohse (uwe@tirka.gun.de)
  */
 
+#define _XOPEN_SOURCE /* for inclusion of strptime() */
+#define _BSD_SOURCE /* for inclusion of strcasecmp() */
 #include <fcntl.h>
 #include <grp.h>
 #ifdef HAVE_GETOPT_H

resize/resize2fs.c

@@ -34,6 +34,7 @@
  */
 
 #include "resize2fs.h"
+#include <time.h>
 
 #ifdef __linux__			/* Kludge for debugging */
 #define RESIZE2FS_DEBUG

tests/progs/test_icount.c

@@ -211,11 +211,11 @@ void do_dump(int argc, char **argv)
 		retval = ext2fs_icount_fetch(test_icount, i, &count);
 		if (retval) {
 			com_err(argv[0], retval,
-				"while fetching icount for %lu", i);
+				"while fetching icount for %lu", (unsigned long)i);
 			return;
 		}
 		if (count)
-			printf("%lu: %u\n", i, count);
+			printf("%lu: %u\n", (unsigned long)i, count);
 	}
 }
 
@@ -236,11 +236,11 @@ void do_validate(int argc, char **argv)
 void do_get_size(int argc, char **argv)
 {
 	ext2_ino_t	size;
-	
+
 	if (check_icount(argv[0]))
 		return;
 	size = ext2fs_get_icount_size(test_icount);
-	printf("Size of icount is: %lu\n", size);
+	printf("Size of icount is: %lu\n", (unsigned long)size);
 }
 
 static int source_file(const char *cmd_file, int sci_idx)