From a740e6c4518d810d98b58549cf1270ed410f2f14 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 17 Feb 2024 06:02:29 +0000
Subject: archiver output: added slbt_ar_output_mapfile().

---
 include/slibtool/slibtool.h                |  1 +
 project/common.mk                          |  1 +
 src/arbits/output/slbt_ar_output_mapfile.c | 71 ++++++++++++++++++++++++++++++
 3 files changed, 73 insertions(+)
 create mode 100644 src/arbits/output/slbt_ar_output_mapfile.c

diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h
index 1d4fe74..9152ed8 100644
--- a/include/slibtool/slibtool.h
+++ b/include/slibtool/slibtool.h
@@ -424,6 +424,7 @@ slbt_api int  slbt_output_error_vector  (const struct slbt_driver_ctx *);
 slbt_api int  slbt_ar_output_arname     (const struct slbt_archive_ctx *);
 slbt_api int  slbt_ar_output_members    (const struct slbt_archive_meta *);
 slbt_api int  slbt_ar_output_symbols    (const struct slbt_archive_meta *);
+slbt_api int  slbt_ar_output_mapfile    (const struct slbt_archive_meta *);
 
 /* package info */
 slbt_api const struct slbt_source_version * slbt_source_version(void);
diff --git a/project/common.mk b/project/common.mk
index f385191..31de801 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -8,6 +8,7 @@ API_SRCS = \
 	src/arbits/slbt_armap_sysv_32.c \
 	src/arbits/slbt_armap_sysv_64.c \
 	src/arbits/output/slbt_ar_output_arname.c \
+	src/arbits/output/slbt_ar_output_mapfile.c \
 	src/arbits/output/slbt_ar_output_members.c \
 	src/arbits/output/slbt_ar_output_symbols.c \
 	src/driver/slbt_amain.c \
diff --git a/src/arbits/output/slbt_ar_output_mapfile.c b/src/arbits/output/slbt_ar_output_mapfile.c
new file mode 100644
index 0000000..90ece3e
--- /dev/null
+++ b/src/arbits/output/slbt_ar_output_mapfile.c
@@ -0,0 +1,71 @@
+/*******************************************************************/
+/*  slibtool: a skinny libtool implementation, written in C        */
+/*  Copyright (C) 2016--2024  SysDeer Technologies, LLC            */
+/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
+/*******************************************************************/
+
+#include <time.h>
+#include <locale.h>
+#include <regex.h>
+#include <inttypes.h>
+#include <slibtool/slibtool.h>
+#include <slibtool/slibtool_output.h>
+#include "slibtool_driver_impl.h"
+#include "slibtool_dprintf_impl.h"
+#include "slibtool_errinfo_impl.h"
+#include "slibtool_ar_impl.h"
+
+static int slbt_ar_output_mapfile_impl(
+	const struct slbt_driver_ctx *  dctx,
+	struct slbt_archive_meta_impl * mctx,
+	const struct slbt_fd_ctx *      fdctx)
+{
+	int             fdout;
+	const char *    regex;
+	const char **   symv;
+	regex_t         regctx;
+	regmatch_t      pmatch[2] = {0};
+
+	fdout = fdctx->fdout;
+
+	if (slbt_dprintf(fdout,"{\n" "\t" "global:\n") < 0)
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if ((regex = dctx->cctx->regex))
+		if (regcomp(&regctx,regex,REG_NEWLINE))
+			return SLBT_CUSTOM_ERROR(
+				dctx,
+				SLBT_ERR_FLOW_ERROR);
+
+	for (symv=mctx->symstrv; *symv; symv++)
+		if (!regex || !regexec(&regctx,*symv,1,pmatch,0))
+			if (slbt_dprintf(fdout,"\t\t%s;\n",*symv) < 0)
+				return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (regex)
+		regfree(&regctx);
+
+	if (slbt_dprintf(fdout,"\n\t" "local:\n" "\t\t*;\n" "};\n") < 0)
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	return 0;
+}
+
+int slbt_ar_output_mapfile(const struct slbt_archive_meta * meta)
+{
+	struct slbt_archive_meta_impl * mctx;
+	const struct slbt_driver_ctx *  dctx;
+	struct slbt_fd_ctx              fdctx;
+
+	mctx = slbt_archive_meta_ictx(meta);
+	dctx = (slbt_archive_meta_ictx(meta))->dctx;
+
+	if (slbt_get_driver_fdctx(dctx,&fdctx) < 0)
+		return SLBT_NESTED_ERROR(dctx);
+
+	if (!meta->a_memberv)
+		return 0;
+
+	return slbt_ar_output_mapfile_impl(
+		dctx,mctx,&fdctx);
+}
-- 
cgit v1.2.3