Imported Upstream version 2.15.2

[platform/upstream/git.git] / color.h

diff --git a/color.h b/color.h
index 9a8495b..fd2b688 100644 (file)
--- 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 + ';'                 2 * 8 (e.g. "1;")
- * - fg color + ';'             9 (e.g. "38;5;2xx;")
- * - fg color + ';'             9 (e.g. "48;5;2xx;")
+ * - 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 40
+#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"
@@ -44,6 +42,8 @@ struct strbuf;
 #define GIT_COLOR_BG_BLUE      "\033[44m"
 #define GIT_COLOR_BG_MAGENTA   "\033[45m"
 #define GIT_COLOR_BG_CYAN      "\033[46m"
+#define GIT_COLOR_FAINT                "\033[2m"
+#define GIT_COLOR_FAINT_ITALIC "\033[2;3m"
 
 /* A special value meaning "no color selected" */
 #define GIT_COLOR_NIL "NIL"
@@ -75,10 +75,17 @@ 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);
-void color_parse(const char *value, const char *var, char *dst);
-void color_parse_mem(const char *value, int len, const char *var, char *dst);
+int color_parse(const char *value, char *dst);
+int color_parse_mem(const char *value, int len, char *dst);
 __attribute__((format (printf, 3, 4)))
 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
 __attribute__((format (printf, 3, 4)))