Use %zd for size_t. With this gcore(1) is WARNS=6 clean.

1 files changed, 3 insertions, 3 deletions

diff --git a/usr.bin/gcore/elfcore.c b/usr.bin/gcore/elfcore.c
index 2c27a64..a5acaf1 100644
--- a/usr.bin/gcore/elfcore.c
+++ b/usr.bin/gcore/elfcore.c
@@ -158,7 +158,7 @@ elf_coredump(int efd __unused, int fd, pid_t pid)
 				err(1, "read from %s", memname);
 			if ((size_t)ngot < nwant)
 				errx(1, "short read from %s:"
-				    " wanted %d, got %d", memname,
+				    " wanted %zd, got %zd", memname,
 				    nwant, ngot);
 			ngot = write(fd, buf, nwant);
 			if (ngot == -1)
@@ -414,7 +414,7 @@ readhdrinfo(pid_t pid, prstatus_t *status, prfpregset_t *fpregset,
 	if ((n = read(fd, &status->pr_reg, sizeof status->pr_reg)) == -1)
 		err(1, "read error from %s", name);
 	if ((size_t)n < sizeof(status->pr_reg))
-		errx(1, "short read from %s: wanted %u, got %d", name,
+		errx(1, "short read from %s: wanted %zd, got %d", name,
 		    sizeof status->pr_reg, n);
 	close(fd);
 
@@ -425,7 +425,7 @@ readhdrinfo(pid_t pid, prstatus_t *status, prfpregset_t *fpregset,
 	if ((n = read(fd, fpregset, sizeof *fpregset)) == -1)
 		err(1, "read error from %s", name);
 	if ((size_t)n < sizeof(*fpregset))
-		errx(1, "short read from %s: wanted %u, got %d", name,
+		errx(1, "short read from %s: wanted %zd, got %d", name,
 		    sizeof *fpregset, n);
 	close(fd);