Fix some WARNS:

1) Remove some unused variables.
2) Mark some things aas static or __unused.
3) Cast to make sure we're comparing the same types.

3 files changed, 7 insertions, 8 deletions

diff --git a/usr.bin/gcore/aoutcore.c b/usr.bin/gcore/aoutcore.c
index dfb8718..fac3fb9 100644
--- a/usr.bin/gcore/aoutcore.c
+++ b/usr.bin/gcore/aoutcore.c
@@ -126,7 +126,7 @@ aoutident(int efd, pid_t pid, char *binfile)
 			errx(1, "%d: process exiting", pid);
 		if (ki->ki_flag & P_SYSTEM)	/* Swapper or pagedaemon. */
 			errx(1, "%d: system process", pid);
-		if (exec.a_text != ptoa(ki->ki_tsize))
+		if (exec.a_text != (unsigned long)ptoa(ki->ki_tsize))
 			errx(1, "The executable %s does not belong to"
 			    " process %d!\n"
 			    "Text segment size (in bytes): executable %ld,"
@@ -142,8 +142,8 @@ aoutident(int efd, pid_t pid, char *binfile)
  * core --
  *	Build the core file.
  */
-void
-aoutcore(int efd, int fd, pid_t pid)
+static void
+aoutcore(int efd, int fd, pid_t pid __unused)
 {
 	union {
 		struct user user;
diff --git a/usr.bin/gcore/elfcore.c b/usr.bin/gcore/elfcore.c
index bdfd9bb..c6a161d 100644
--- a/usr.bin/gcore/elfcore.c
+++ b/usr.bin/gcore/elfcore.c
@@ -80,11 +80,10 @@ static void readhdrinfo(pid_t, prstatus_t *, prfpregset_t *, prpsinfo_t *);
 static vm_map_entry_t readmap(pid_t);
 
 static int
-elf_ident(int efd, pid_t pid, char *binfile)
+elf_ident(int efd, pid_t pid __unused, char *binfile __unused)
 {
 	Elf_Ehdr hdr;
 	int cnt;
-	uid_t uid;
 
 	cnt = read(efd, &hdr, sizeof(hdr));
 	if (cnt != sizeof(hdr))
@@ -97,8 +96,8 @@ elf_ident(int efd, pid_t pid, char *binfile)
 /*
  * Write an ELF coredump for the given pid to the given fd.
  */
-void
-elf_coredump(int efd, int fd, pid_t pid)
+static void
+elf_coredump(int efd __unused, int fd, pid_t pid)
 {
 	vm_map_entry_t map;
 	struct sseg_closure seginfo;
diff --git a/usr.bin/gcore/gcore.c b/usr.bin/gcore/gcore.c
index 4db514d..7005e83 100644
--- a/usr.bin/gcore/gcore.c
+++ b/usr.bin/gcore/gcore.c
@@ -83,7 +83,7 @@ SET_DECLARE(dumpset, struct dumpers);
 int
 main(int argc, char *argv[])
 {
-	int ch, cnt, efd, fd, sflag;
+	int ch, efd, fd, sflag;
 	char *binfile, *corefile;
 	char fname[MAXPATHLEN];
 	struct dumpers **d, *dumper;