Make offset in loop device helper uint64_t

It is actually never used other than for 0, but
it should be correct.

Author: mbroz

lib/utils_loop.c

@@ -102,7 +102,7 @@ static char *crypt_loop_get_device(void)
 	return strdup(dev);
 }
 
-int crypt_loop_attach(char **loop, const char *file, int offset,
+int crypt_loop_attach(char **loop, const char *file, uint64_t offset,
 		      int autoclear, int *readonly, size_t blocksize)
 {
 	struct loop_config config = {0};

lib/utils_loop.h

@@ -9,11 +9,13 @@
 #ifndef _UTILS_LOOP_H
 #define _UTILS_LOOP_H
 
+#include <stdint.h>
+
 /* loopback device helpers */
 
 char *crypt_loop_backing_file(const char *loop);
 int crypt_loop_device(const char *loop);
-int crypt_loop_attach(char **loop, const char *file, int offset,
+int crypt_loop_attach(char **loop, const char *file, uint64_t offset,
 		      int autoclear, int *readonly, size_t blocksize);
 int crypt_loop_detach(const char *loop);
 int crypt_loop_resize(const char *loop);

tests/api_test.h

@@ -139,7 +139,7 @@ void xlog(const char *msg, const char *tst, const char *func, int line, const ch
 
 /* loop helpers */
 int loop_device(const char *loop);
-int loop_attach(char **loop, const char *file, int offset,
+int loop_attach(char **loop, const char *file, uint64_t offset,
 		      int autoclear, int *readonly);
 int loop_detach(const char *loop);
 

tests/test_utils.c

@@ -776,7 +776,7 @@ static char *crypt_loop_get_device(void)
 	return strdup(dev);
 }
 
-int loop_attach(char **loop, const char *file, int offset,
+int loop_attach(char **loop, const char *file, uint64_t offset,
 		      int autoclear, int *readonly)
 {
 	struct loop_config config = {0};