Revert "Make einfo routines private"

This reverts commit de88aff0a839844526ae262f8961ec4372fed238.
I was advised that splashutils links to libeinfo, so we do have a
consumer for this library.

1 files changed, 144 insertions, 0 deletions

diff --git a/src/libeinfo/einfo.h b/src/libeinfo/einfo.h
new file mode 100644
index 00000000..31a891f8
--- /dev/null
+++ b/src/libeinfo/einfo.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef __EINFO_H__
+#define __EINFO_H__
+
+#if defined(__GNUC__)
+# define EINFO_PRINTF(a, b)  __attribute__((__format__(__printf__, a, b)))
+# define EINFO_XPRINTF(a, b) __attribute__((__noreturn__,__format__(__printf__, a, b)))
+#else
+# define EINFO_PRINTF(a, b)
+# define EINFO_XPRINTF(a, b)
+#endif
+
+#include <sys/types.h>
+#include <stdbool.h>
+
+/* Although OpenRC requires C99, linking to us should not. */
+#ifdef restrict
+# define EINFO_RESTRICT restrict
+#else
+# ifdef __restrict
+#  define EINFO_RESTRICT __restrict
+# else
+#  define EINFO_RESTRICT
+# endif
+#endif
+
+__BEGIN_DECLS
+
+/*! @brief Color types to use */
+typedef enum
+{
+	ECOLOR_NORMAL	= 1,
+	ECOLOR_GOOD	= 2,
+	ECOLOR_WARN	= 3,
+	ECOLOR_BAD	= 4,
+	ECOLOR_HILITE	= 5,
+	ECOLOR_BRACKET	= 6
+} ECOLOR;
+
+/*! @brief Returns the ASCII code for the color */
+const char *ecolor(ECOLOR);
+
+/*! @brief Writes to syslog. */
+void elog(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
+
+/*!
+ * @brief Display informational messages.
+ *
+ * The einfo family of functions display messages in a consistent manner
+ * across applications. Basically they prefix the message with
+ * " * ". If the terminal can handle color then we color the * based on
+ * the command used. Otherwise we are identical to the printf function.
+ *
+ * - einfo  - green
+ * - ewarn  - yellow
+ * - eerror - red
+ *
+ * The n suffix denotes that no new line should be printed.
+ * The v suffix means only print if EINFO_VERBOSE is yes.
+ */
+/*@{*/
+int einfon(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int ewarnn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int eerrorn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int einfo(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int ewarn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+void ewarnx(const char * __EINFO_RESTRICT, ...) EINFO_XPRINTF(1, 2);
+int eerror(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+void eerrorx(const char * __EINFO_RESTRICT, ...) EINFO_XPRINTF(1, 2);
+
+int einfovn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int ewarnvn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int ebeginvn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int eendvn(int, const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
+int ewendvn(int, const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
+int einfov(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int ewarnv(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+/*@}*/
+
+/*! @ingroup ebegin
+ * @brief Display informational messages that may take some time.
+ *
+ * Similar to einfo, but we add ... to the end of the message */
+/*@{*/
+int ebeginv(const char * EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+int ebegin(const char * EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
+/*@}*/
+
+/*! @ingroup eend
+ * @brief End an ebegin.
+ *
+ * If you ebegin, you should eend also.
+ * eend places [ ok ] or [ !! ] at the end of the terminal line depending on
+ * retval (0 or ok, anything else for !!)
+ *
+ * ebracket allows you to specifiy the position, color and message */
+/*@{*/
+int eend(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
+int ewend(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
+void ebracket(int, ECOLOR, const char * EINFO_RESTRICT);
+
+int eendv(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
+int ewendv(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
+/*@}*/
+
+/*! @ingroup eindent
+ * @brief Indents the einfo lines.
+ *
+ * For each indent you should outdent when done */
+/*@{*/
+void eindent(void);
+void eoutdent(void);
+void eindentv(void);
+void eoutdentv(void);
+
+/*! @brief Prefix each einfo line with something */
+void eprefix(const char * EINFO_RESTRICT);
+
+__END_DECLS
+#endif