tools: bmp_logo: Mark local functions with static

These functions are only used locally. Enabling -Wmissing-prototypes triggers
a warning. Mark them as static.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>

diff --git a/tools/bmp_logo.c b/tools/bmp_logo.c
index 74fcadca63e17c60b19ecd3099478ba511744108..40213b7887f9bf5f6a4502d2a299a884815a3c4b 100644 (file)
--- a/tools/bmp_logo.c
+++ b/tools/bmp_logo.c
@@ -15,7 +15,7 @@ typedef struct bitmap_s {             /* bitmap description */
 
 #define DEFAULT_CMAP_SIZE      16      /* size of default color map    */
 
-void usage(const char *prog)
+static void usage(const char *prog)
 {
        fprintf(stderr, "Usage: %s [--gen-info|--gen-data|--gen-bmp] file\n",
                prog);
@@ -24,7 +24,7 @@ void usage(const char *prog)
 /*
  * Neutralize little endians.
  */
-uint16_t le_short(uint16_t x)
+static uint16_t le_short(uint16_t x)
 {
     uint16_t val;
     uint8_t *p = (uint8_t *)(&x);
@@ -35,14 +35,14 @@ uint16_t le_short(uint16_t x)
     return val;
 }
 
-void skip_bytes (FILE *fp, int n)
+static void skip_bytes(FILE *fp, int n)
 {
        while (n-- > 0)
                fgetc (fp);
 }
 
 __attribute__ ((__noreturn__))
-int error (char * msg, FILE *fp)
+static int error(char *msg, FILE *fp)
 {
        fprintf (stderr, "ERROR: %s\n", msg);
 
@@ -51,7 +51,7 @@ int error (char * msg, FILE *fp)
        exit (EXIT_FAILURE);
 }
 
-void gen_info(bitmap_t *b, uint16_t n_colors)
+static void gen_info(bitmap_t *b, uint16_t n_colors)
 {
        printf("/*\n"
                " * Automatically generated by \"tools/bmp_logo\"\n"