mksquashfs: Make all compressor functions static

Make these functions static, since they are only exposed through the
compressor struct.

Signed-off-by: Nick Terrell <terrelln@fb.com>

4 files changed, 8 insertions, 8 deletions

diff --git a/squashfs-tools/gzip_wrapper.c b/squashfs-tools/gzip_wrapper.c
index 076a587..ac32bb9 100644
--- a/squashfs-tools/gzip_wrapper.c
+++ b/squashfs-tools/gzip_wrapper.c
@@ -276,7 +276,7 @@ failed:
 }
 
 
-void gzip_display_options(void *buffer, int size)
+static void gzip_display_options(void *buffer, int size)
 {
 	struct gzip_comp_opts *comp_opts = buffer;
 	int i, printed;
@@ -467,7 +467,7 @@ static int gzip_uncompress(void *d, void *s, int size, int outsize, int *error)
 }
 
 
-void gzip_usage()
+static void gzip_usage()
 {
 	fprintf(stderr, "\t  -Xcompression-level <compression-level>\n");
 	fprintf(stderr, "\t\t<compression-level> should be 1 .. 9 (default "
diff --git a/squashfs-tools/lz4_wrapper.c b/squashfs-tools/lz4_wrapper.c
index b87cfe0..fce8382 100644
--- a/squashfs-tools/lz4_wrapper.c
+++ b/squashfs-tools/lz4_wrapper.c
@@ -184,7 +184,7 @@ failed:
 }
 
 
-void lz4_display_options(void *buffer, int size)
+static void lz4_display_options(void *buffer, int size)
 {
 	struct lz4_comp_opts *comp_opts = buffer;
 
@@ -261,7 +261,7 @@ static int lz4_uncompress(void *dest, void *src, int size, int outsize,
 }
 
 
-void lz4_usage()
+static void lz4_usage()
 {
 	fprintf(stderr, "\t  -Xhc\n");
 	fprintf(stderr, "\t\tCompress using LZ4 High Compression\n");
diff --git a/squashfs-tools/lzo_wrapper.c b/squashfs-tools/lzo_wrapper.c
index 8c9bf95..f367fad 100644
--- a/squashfs-tools/lzo_wrapper.c
+++ b/squashfs-tools/lzo_wrapper.c
@@ -263,7 +263,7 @@ failed:
 }
 
 
-void lzo_display_options(void *buffer, int size)
+static void lzo_display_options(void *buffer, int size)
 {
 	struct lzo_comp_opts *comp_opts = buffer;
 
@@ -391,7 +391,7 @@ static int lzo_uncompress(void *dest, void *src, int size, int outsize,
 }
 
 
-void lzo_usage()
+static void lzo_usage()
 {
 	int i;
 
diff --git a/squashfs-tools/xz_wrapper.c b/squashfs-tools/xz_wrapper.c
index e77ec59..0977f74 100644
--- a/squashfs-tools/xz_wrapper.c
+++ b/squashfs-tools/xz_wrapper.c
@@ -322,7 +322,7 @@ failed:
 }
 
 
-void xz_display_options(void *buffer, int size)
+static void xz_display_options(void *buffer, int size)
 {
 	struct comp_opts *comp_opts = buffer;
 	int dictionary_size, flags, printed;
@@ -503,7 +503,7 @@ static int xz_uncompress(void *dest, void *src, int size, int outsize,
 }
 
 
-void xz_usage()
+static void xz_usage()
 {
 	fprintf(stderr, "\t  -Xbcj filter1,filter2,...,filterN\n");
 	fprintf(stderr, "\t\tCompress using filter1,filter2,...,filterN in");