Fix warnings

Signed-off-by: Mattias Andrée <maandree@kth.se>

6 files changed, 21 insertions, 4 deletions

diff --git a/internal.h b/internal.h
index 2605d21..190de0e 100644
--- a/internal.h
+++ b/internal.h
@@ -17,6 +17,7 @@
 
 
 #if defined(__GNUC__)
+# pragma GCC diagnostic ignored "-Wsuggest-attribute=const"
 # define GCC_ATTRIBUTES(...) __attribute__((__VA_ARGS__))
 #else
 # define GCC_ATTRIBUTES(...)
diff --git a/liberror-libc.h b/liberror-libc.h
index 14ca4a0..7b99d93 100644
--- a/liberror-libc.h
+++ b/liberror-libc.h
@@ -15,6 +15,7 @@
 
 #define _LIBERROR_WUR _LIBERROR_GCC_ONLY(__attribute__((__warn_unused_result__)))
 #define _LIBERROR_MALLOC _LIBERROR_GCC_ONLY(__attribute__((__malloc__)))
+#define _LIBERROR_CONST _LIBERROR_GCC_ONLY(__attribute__((__const__)))
 
 
 #define LIBERROR_LIBC_ERRROR_SHORT_READ -1
diff --git a/lseek.c b/lseek.c
index 7b1dc90..53f46e1 100644
--- a/lseek.c
+++ b/lseek.c
@@ -77,9 +77,9 @@ liberror_lseek_short(int fd, _liberror_off_t offset, int whence, _liberror_uoff_
 	struct liberror_error *error;
 	int saved_errno = errno;
 	liberror_save_backtrace(NULL);
-	if (returned < 0 || (size_t)returned < min) {
+	if (returned < 0 || (_liberror_uoff_t)returned < min) {
 		desc = "Seek resulted in a new offset in an earlier position than expected";
-	} else if (returned > max) {
+	} else if ((_liberror_uoff_t)returned > max) {
 		desc = "Seek resulted in a new offset in an beyond the expectation";
 	} else {
 		desc = "Seek resulted in an unexpected new offset";
@@ -91,6 +91,8 @@ liberror_lseek_short(int fd, _liberror_off_t offset, int whence, _liberror_uoff_
 	error->details.one_file.name = fname ? strdup(fname) : NULL;
 	error->details.one_file.role = "Seekable file";
 	errno = saved_errno;
+	(void) offset;
+	(void) whence;
 }
 
 
diff --git a/recv.c b/recv.c
index 7d1af35..831850a 100644
--- a/recv.c
+++ b/recv.c
@@ -109,6 +109,9 @@ liberror_recv_failed(int fd, void *buf, size_t n, int flags, const char *fname)
 		break;
 	}
 	liberror_libc_set_error_one_file(desc, "recv", "Socket file", fd, fname);
+	(void) buf;
+	(void) n;
+	(void) flags;
 }
 
 
@@ -121,7 +124,7 @@ liberror_recv_short(int fd, void *buf, size_t n, int flags, size_t min, size_t m
 	liberror_save_backtrace(NULL);
 	if (returned < 0 || (size_t)returned < min) {
 		desc = "Received message was shorter than expected";
-	} else if (returned > max) {
+	} else if ((size_t) returned > max) {
 		desc = "Received message was larger than expected";
 	} else {
 		desc = "Received message was of an unexpected size";
@@ -133,6 +136,9 @@ liberror_recv_short(int fd, void *buf, size_t n, int flags, size_t min, size_t m
 	error->details.one_file.name = fname ? strdup(fname) : NULL;
 	error->details.one_file.role = "Socket file";
 	errno = saved_errno;
+	(void) buf;
+	(void) n;
+	(void) flags;
 }
 
 
diff --git a/send.c b/send.c
index e79f562..62c12a7 100644
--- a/send.c
+++ b/send.c
@@ -142,6 +142,9 @@ liberror_send_failed(int fd, const void *buf, size_t n, int flags, const char *f
 		break;
 	}
 	liberror_libc_set_error_one_file(desc, "send", "Socket file", fd, fname);
+	(void) buf;
+	(void) n;
+	(void) flags;
 }
 
 
@@ -154,7 +157,7 @@ liberror_send_short(int fd, const void *buf, size_t n, int flags, size_t min, si
 	liberror_save_backtrace(NULL);
 	if (returned < 0 || (size_t)returned < min) {
 		desc = "Sent message was shorter than expected";
-	} else if (returned > max) {
+	} else if ((size_t)returned > max) {
 		desc = "Sent message was larger than expected";
 	} else {
 		desc = "Sent message was of an unexpected size";
@@ -166,6 +169,9 @@ liberror_send_short(int fd, const void *buf, size_t n, int flags, size_t min, si
 	error->details.one_file.name = fname ? strdup(fname) : NULL;
 	error->details.one_file.role = "Socket file";
 	errno = saved_errno;
+	(void) buf;
+	(void) n;
+	(void) flags;
 }
 
 
diff --git a/shutdown.c b/shutdown.c
index 7ea4103..8265e3f 100644
--- a/shutdown.c
+++ b/shutdown.c
@@ -30,6 +30,7 @@ liberror_shutdown_failed(int fd, int how, const char *fname)
 		break;
 	}
 	liberror_libc_set_error_one_file(desc, "shutdown", "Socket file", fd, fname);
+	(void) how;
 }