cmdutils: fix expected signature for show_colors() function
Fix warning:
In file included from ffprobe.c:2557:0:
cmdutils_common_opts.h:17:5: warning: initialization from incompatible pointer type [enabled by default]
cmdutils_common_opts.h:17:5: warning: (near initialization for ‘real_options[16].u.func_arg’) [enabled by default]
Spotted-by: Paul B Mahol
diff --git a/cmdutils.c b/cmdutils.c
index 1fbd73c..b10a552 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -1518,7 +1518,7 @@
return 0;
}
-void show_colors(void *optctx, const char *opt, const char *arg)
+int show_colors(void *optctx, const char *opt, const char *arg)
{
const char *name;
const uint8_t *rgb;
@@ -1528,6 +1528,8 @@
for (i = 0; name = av_get_known_color_name(i, &rgb); i++)
printf("%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]);
+
+ return 0;
}
int show_pix_fmts(void *optctx, const char *opt, const char *arg)
diff --git a/cmdutils.h b/cmdutils.h
index 2538f05..2d2afc8 100644
--- a/cmdutils.h
+++ b/cmdutils.h
@@ -492,7 +492,7 @@
* Print a listing containing all the color names and values recognized
* by the program.
*/
-void show_colors(void *optctx, const char *opt, const char *arg);
+int show_colors(void *optctx, const char *opt, const char *arg);
/**
* Return a positive value if a line read from standard input
