From c6570d037a1def5d7d25d832b28ca3ce7398657c Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Wed, 20 Feb 2019 18:41:52 -0500
Subject: utility api's: added mdso_output_expsyms_crc32(),
 mdso_output_expsyms_crc64().

---
 project/common.mk                    |  1 +
 src/output/mdso_output_expsyms_crc.c | 76 ++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 src/output/mdso_output_expsyms_crc.c

diff --git a/project/common.mk b/project/common.mk
index 2b0edaa..a52f593 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -13,6 +13,7 @@ API_SRCS = \
 	src/object/mdso_objgen_symentry.c \
 	src/output/mdso_output_error.c \
 	src/output/mdso_output_export_symbols.c \
+	src/output/mdso_output_expsyms_crc.c \
 	src/skin/mdso_skin_default.c \
 	src/util/mdso_create_implib_archive.c \
 	src/util/mdso_create_implib_objects.c \
diff --git a/src/output/mdso_output_expsyms_crc.c b/src/output/mdso_output_expsyms_crc.c
new file mode 100644
index 0000000..45ff702
--- /dev/null
+++ b/src/output/mdso_output_expsyms_crc.c
@@ -0,0 +1,76 @@
+/****************************************************************/
+/*  mdso: midipix dso scavenger                                 */
+/*  Copyright (C) 2015--2019  Z. Gilboa                         */
+/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */
+/****************************************************************/
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <inttypes.h>
+
+#include <mdso/mdso.h>
+#include <mdso/mdso_output.h>
+#include "mdso_driver_impl.h"
+#include "mdso_dprintf_impl.h"
+#include "mdso_errinfo_impl.h"
+
+static int pretty_expsym_crc32(
+	int		fdout,
+	const char *	name)
+{
+	return mdso_dprintf(
+		fdout,"%" PRIx32 "  %s\n",
+		mdso_crc32_mbstr((const unsigned char *)name,0),
+		name);
+}
+
+static int pretty_expsym_crc64(
+	int		fdout,
+	const char *	name)
+{
+	return mdso_dprintf(
+		fdout,"%" PRIx64 "  %s\n",
+		mdso_crc64_mbstr((const unsigned char *)name,0),
+		name);
+}
+
+int mdso_output_expsyms_crc32(
+	const struct mdso_driver_ctx *	dctx,
+	const struct mdso_unit_ctx *	uctx)
+{
+	int			fdout;
+	const char * const *	sym;
+
+	fdout = mdso_driver_fdout(dctx);
+
+	if (!uctx->syms[0])
+		return 0;
+
+	for (sym=uctx->syms; *sym; sym++)
+		if ((pretty_expsym_crc32(fdout,*sym)) < 0)
+			return MDSO_SYSTEM_ERROR(dctx);
+
+	return 0;
+}
+
+int mdso_output_expsyms_crc64(
+	const struct mdso_driver_ctx *	dctx,
+	const struct mdso_unit_ctx *	uctx)
+{
+	int			fdout;
+	const char * const *	sym;
+
+	fdout = mdso_driver_fdout(dctx);
+
+	if (!uctx->syms[0])
+		return 0;
+
+	for (sym=uctx->syms; *sym; sym++)
+		if ((pretty_expsym_crc64(fdout,*sym)) < 0)
+			return MDSO_SYSTEM_ERROR(dctx);
+
+	return 0;
+}
-- 
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