summaryrefslogtreecommitdiff
path: root/color.h
diff options
context:
space:
mode:
Diffstat (limited to 'color.h')
-rw-r--r--color.h27
1 files changed, 16 insertions, 11 deletions
diff --git a/color.h b/color.h
index 7fe77fb55e..90627650fc 100644
--- a/color.h
+++ b/color.h
@@ -3,26 +3,24 @@
struct strbuf;
-/* 2 + (2 * num_attrs) + 8 + 1 + 8 + 'm' + NUL */
-/* "\033[1;2;4;5;7;38;5;2xx;48;5;2xxm\0" */
/*
* The maximum length of ANSI color sequence we would generate:
* - leading ESC '[' 2
- * - attr + ';' 3 * 10 (e.g. "1;")
+ * - attr + ';' 2 * num_attr (e.g. "1;")
+ * - no-attr + ';' 3 * num_attr (e.g. "22;")
* - fg color + ';' 17 (e.g. "38;2;255;255;255;")
* - bg color + ';' 17 (e.g. "48;2;255;255;255;")
* - terminating 'm' NUL 2
*
- * The above overcounts attr (we only use 5 not 8) and one semicolon
- * but it is close enough.
+ * The above overcounts by one semicolon but it is close enough.
+ *
+ * The space for attributes is also slightly overallocated, as
+ * the negation for some attributes is the same (e.g., nobold and nodim).
+ *
+ * We allocate space for 7 attributes.
*/
-#define COLOR_MAXLEN 70
+#define COLOR_MAXLEN 75
-/*
- * IMPORTANT: Due to the way these color codes are emulated on Windows,
- * write them only using printf(), fprintf(), and fputs(). In particular,
- * do not use puts() or write().
- */
#define GIT_COLOR_NORMAL ""
#define GIT_COLOR_RESET "\033[m"
#define GIT_COLOR_BOLD "\033[1m"
@@ -75,6 +73,13 @@ extern int color_stdout_is_tty;
int git_color_config(const char *var, const char *value, void *cb);
int git_color_default_config(const char *var, const char *value, void *cb);
+/*
+ * Set the color buffer (which must be COLOR_MAXLEN bytes)
+ * to the raw color bytes; this is useful for initializing
+ * default color variables.
+ */
+void color_set(char *dst, const char *color_bytes);
+
int git_config_colorbool(const char *var, const char *value);
int want_color(int var);
int color_parse(const char *value, char *dst);