color.h: document and modernize header

diff --git a/color.c b/color.c
index 9a9261ac164f503e2a9240806f4f44bedf9b8192..f277e72e4ce04815f71c949dfdf7c89c9462c5b7 100644 (file)
--- a/color.c
+++ b/color.c
@@ -161,11 +161,6 @@ int color_parse(const char *value, char *dst)
        return color_parse_mem(value, strlen(value), dst);
 }
 
-void color_set(char *dst, const char *color_bytes)
-{
-       xsnprintf(dst, COLOR_MAXLEN, "%s", color_bytes);
-}
-
 /*
  * Write the ANSI color codes for "c" to "out"; the string should
  * already have the ANSI escape code in it. "out" should have enough
@@ -329,8 +324,7 @@ static int check_auto_color(void)
        if (color_stdout_is_tty < 0)
                color_stdout_is_tty = isatty(1);
        if (color_stdout_is_tty || (pager_in_use() && pager_use_color)) {
-               char *term = getenv("TERM");
-               if (term && strcmp(term, "dumb"))
+               if (!is_terminal_dumb())
                        return 1;
        }
        return 0;
@@ -400,8 +394,6 @@ static int color_vfprintf(FILE *fp, const char *color, const char *fmt,
        return r;
 }
 
-
-
 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
 {
        va_list args;