submodule: fix relative url parsing for scp-style origin

[git.git] / color.h

diff --git a/color.h b/color.h
index 7d8da6fe2207ae4adb7ab888edd57ab571665458..bcb28cf10f2cbef11d9dba0e5a7f3f0515cbbd70 100644 (file)
--- a/color.h
+++ b/color.h
@@ -1,9 +1,26 @@
 #ifndef COLOR_H
 #define COLOR_H
 
-/* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
-#define COLOR_MAXLEN 24
+/*  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;")
+ * - terminating 'm' NUL        2
+ *
+ * The above overcounts attr (we only use 5 not 8) and one semicolon
+ * but it is close enough.
+ */
+#define COLOR_MAXLEN 40
 
+/*
+ * 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"