iron out all extra compiler warnings

gcc-9 on x86/64 has reported following issues:

 base64.c:173:17: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:230:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:238:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:242:22: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:252:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:256:22: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:266:18: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:315:27: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 base64.c:329:15: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 blob.c:207:11: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
 blob.c:210:11: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
 blob.c:243:31: error: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Werror=sign-compare]
 blob.c:246:31: error: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Werror=sign-compare]
 blob.h:245:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
 blob.h:253:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
 blobmsg.h:269:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
 blobmsg_json.c:155:10: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare]
 examples/../blob.h:245:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
 examples/../blobmsg.h:269:37: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Werror=sign-compare]
 json_script.c:590:7: error: this statement may fall through [-Werror=implicit-fallthrough=]

Signed-off-by: Petr Štetiar <ynezz@true.cz>

1 files changed, 3 insertions, 3 deletions

diff --git a/blob.h b/blob.h
index a092f5d..d346522 100644
--- a/blob.h
+++ b/blob.h
@@ -96,7 +96,7 @@ blob_is_extended(const struct blob_attr *attr)
 /*
  * blob_len: returns the length of the attribute's payload
  */
-static inline unsigned int
+static inline size_t
 blob_len(const struct blob_attr *attr)
 {
 	return (be32_to_cpu(attr->id_len) & BLOB_ATTR_LEN_MASK) - sizeof(struct blob_attr);
@@ -105,7 +105,7 @@ blob_len(const struct blob_attr *attr)
 /*
  * blob_raw_len: returns the complete length of an attribute (including the header)
  */
-static inline unsigned int
+static inline size_t
 blob_raw_len(const struct blob_attr *attr)
 {
 	return blob_len(attr) + sizeof(struct blob_attr);
@@ -114,7 +114,7 @@ blob_raw_len(const struct blob_attr *attr)
 /*
  * blob_pad_len: returns the padded length of an attribute (including the header)
  */
-static inline unsigned int
+static inline size_t
 blob_pad_len(const struct blob_attr *attr)
 {
 	unsigned int len = blob_raw_len(attr);