From 14302ea489782bd9cefa0fe972ed3ac83b7637b6 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 17 Feb 2024 07:31:52 +0000
Subject: archiver output api: added slbt_create_mapfile().

---
 include/slibtool/slibtool.h                |  2 ++
 src/arbits/output/slbt_ar_output_mapfile.c | 39 +++++++++++++++++++++++++-----
 2 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h
index 9152ed8..4238dbc 100644
--- a/include/slibtool/slibtool.h
+++ b/include/slibtool/slibtool.h
@@ -402,6 +402,8 @@ slbt_api int  slbt_merge_archives       (struct slbt_archive_ctx * const [],
 slbt_api int  slbt_store_archive        (struct slbt_archive_ctx *,
                                          const char *, mode_t);
 
+slbt_api int  slbt_create_mapfile       (const struct slbt_archive_meta *, const char *, mode_t);
+
 /* utility api */
 slbt_api int  slbt_main                 (char **, char **,
                                          const struct slbt_fd_ctx *);
diff --git a/src/arbits/output/slbt_ar_output_mapfile.c b/src/arbits/output/slbt_ar_output_mapfile.c
index 90ece3e..09774bd 100644
--- a/src/arbits/output/slbt_ar_output_mapfile.c
+++ b/src/arbits/output/slbt_ar_output_mapfile.c
@@ -18,16 +18,13 @@
 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)
 {
-	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);
 
@@ -51,11 +48,16 @@ static int slbt_ar_output_mapfile_impl(
 	return 0;
 }
 
-int slbt_ar_output_mapfile(const struct slbt_archive_meta * meta)
+
+static int slbt_create_mapfile_impl(
+	const struct slbt_archive_meta *  meta,
+	const char *                      path,
+	mode_t                            mode)
 {
 	struct slbt_archive_meta_impl * mctx;
 	const struct slbt_driver_ctx *  dctx;
 	struct slbt_fd_ctx              fdctx;
+	int                             fdout;
 
 	mctx = slbt_archive_meta_ictx(meta);
 	dctx = (slbt_archive_meta_ictx(meta))->dctx;
@@ -66,6 +68,31 @@ int slbt_ar_output_mapfile(const struct slbt_archive_meta * meta)
 	if (!meta->a_memberv)
 		return 0;
 
+	if (path) {
+		if ((fdout = openat(
+				fdctx.fdcwd,path,
+				O_WRONLY|O_CREAT|O_TRUNC,
+				mode)) < 0)
+			return SLBT_SYSTEM_ERROR(dctx,0);
+	} else {
+		fdout = fdctx.fdout;
+	}
+
 	return slbt_ar_output_mapfile_impl(
-		dctx,mctx,&fdctx);
+		dctx,mctx,fdout);
+}
+
+
+int slbt_ar_output_mapfile(const struct slbt_archive_meta * meta)
+{
+	return slbt_create_mapfile_impl(meta,0,0);
+}
+
+
+int slbt_create_mapfile(
+	const struct slbt_archive_meta *  meta,
+	const char *                      path,
+	mode_t                            mode)
+{
+	return slbt_create_mapfile_impl(meta,path,mode);
 }
-- 
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