1 files changed, 83 insertions, 0 deletions
diff --git a/src/einfo.h b/src/einfo.h
new file mode 100644
index 0000000..7ab52af
--- /dev/null
+++ b/src/einfo.h
@@ -0,0 +1,83 @@
+/*
+   rc.h 
+   Header file for external applications to get RC information.
+   Copyright 2007 Gentoo Foundation
+   Released under the GPLv2
+   */
+
+#ifndef __EINFO_H__
+#define __EINFO_H__
+
+#ifdef __GNUC__
+#  define EINFO_PRINTF(_one, _two)  __attribute__ ((__format__ (__printf__, _one, _two)))
+#  define EINFO_XPRINTF(_one, _two)  __attribute__ ((__noreturn__, __format__ (__printf__, _one, _two)))
+#endif
+
+#include <sys/types.h>
+#include <stdbool.h>
+
+typedef enum
+{
+  einfo_good,
+  einfo_warn,
+  einfo_bad,
+  einfo_hilite,
+  einfo_bracket,
+  einfo_normal
+} einfo_color_t;
+
+/* Colour codes used by the below functions. */
+#define EINFO_GOOD	"\033[32;01m"
+#define EINFO_WARN	"\033[33;01m"
+#define EINFO_BAD	"\033[31;01m"
+#define EINFO_HILITE	"\033[36;01m"
+#define EINFO_BRACKET	"\033[34;01m"
+#define EINFO_NORMAL	"\033[0m"
+
+/* Handy macros to easily use the above in a custom manner */
+#define PEINFO_GOOD	if (colour_terminal ()) printf (EINFO_GOOD)
+#define PEINFO_WARN	if (colour_terminal ()) printf (EINFO_WARN)
+#define PEINFO_BAD	if (colour_terminal ()) printf (EINFO_BAD)
+#define PEINFO_HILITE	if (colour_terminal ()) printf (EINFO_HILITE)
+#define PEINFO_BRACKET	if (colour_terminal ()) printf (EINFO_BRACKET)
+#define PEINFO_NORMAL	if (colour_terminal ()) printf (EINFO_NORMAL)
+
+/* We work out if the terminal supports colour or not through the use
+   of the TERM env var. We cache the reslt in a static bool, so
+   subsequent calls are very fast. */
+/* The n suffix means that a newline is NOT appended to the string
+   The v prefix means that we only print it when RC_VERBOSE=yes */
+bool colour_terminal (void);
+int einfon (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int ewarnn (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int eerrorn (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int einfo (const char *fmt, ...) EINFO_PRINTF(1, 2);
+int ewarn (const char *fmt, ...) EINFO_PRINTF (1, 2);
+void ewarnx (const char *fmt, ...) EINFO_XPRINTF (1,2);
+int eerror (const char *fmt, ...) EINFO_PRINTF (1,2);
+void eerrorx (const char *fmt, ...) EINFO_XPRINTF (1,2);
+int ebegin (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int eend (int retval, const char *fmt, ...) EINFO_PRINTF (2, 3);
+int ewend (int retval, const char *fmt, ...) EINFO_PRINTF (2, 3);
+void ebracket (int col, einfo_color_t color, const char *msg);
+void eindent (void);
+void eoutdent (void);
+
+int veinfon (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int vewarnn (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int vebeginn (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int veendn (int retval, const char *fmt, ...) EINFO_PRINTF (2, 3);
+int vewendn (int retval, const char *fmt, ...) EINFO_PRINTF (2, 3);
+int veinfo (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int vewarn (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int vebegin (const char *fmt, ...) EINFO_PRINTF (1, 2);
+int veend (int retval, const char *fmt, ...) EINFO_PRINTF (2, 3);
+int vewend (int retval, const char *fmt, ...) EINFO_PRINTF (2, 3);
+void veindent (void);
+void veoutdent (void);
+
+/* If RC_EBUFFER is set, then we buffer all the above commands.
+   As such, we need to flush the buffer when done. */
+void eflush(void);
+
+#endif