archiver output: added slbt_ar_output_mapfile().

1 files changed, 71 insertions, 0 deletions

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);
+}