utility: improved box integration, removed need for build-time macro.

1 files changed, 94 insertions, 0 deletions

diff --git a/src/driver/mdso_amain.c b/src/driver/mdso_amain.c
new file mode 100644
index 0000000..a00e2d1
--- /dev/null
+++ b/src/driver/mdso_amain.c
@@ -0,0 +1,94 @@
+/****************************************************************/
+/*  mdso: midipix dso scavenger                                 */
+/*  Copyright (C) 2015--2016  Z. Gilboa                         */
+/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */
+/****************************************************************/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <mdso/mdso.h>
+#include <mdso/mdso_output.h>
+#include "mdso_driver_impl.h"
+
+#ifndef MDSO_DRIVER_FLAGS
+#define MDSO_DRIVER_FLAGS	MDSO_DRIVER_VERBOSITY_ERRORS \
+				| MDSO_DRIVER_VERBOSITY_USAGE
+#endif
+
+static const char vermsg[] = "%s%s%s (git://midipix.org/mdso): "
+			     "version %s%d.%d.%d%s.\n"
+			     "[commit reference: %s%s%s]\n";
+
+static const char * const mdso_ver_color[6] = {
+		"\x1b[1m\x1b[35m","\x1b[0m",
+		"\x1b[1m\x1b[32m","\x1b[0m",
+		"\x1b[1m\x1b[34m","\x1b[0m"
+};
+
+static const char * const mdso_ver_plain[6] = {
+		"","",
+		"","",
+		"",""
+};
+
+static ssize_t mdso_version(struct mdso_driver_ctx * dctx)
+{
+	const struct mdso_source_version * verinfo;
+	const char * const * verclr;
+
+	verinfo = mdso_source_version();
+	verclr  = isatty(STDOUT_FILENO) ? mdso_ver_color : mdso_ver_plain;
+
+	return fprintf(stdout,vermsg,
+			verclr[0],dctx->program,verclr[1],
+			verclr[2],verinfo->major,verinfo->minor,
+			verinfo->revision,verclr[3],
+			verclr[4],verinfo->commit,verclr[5]);
+}
+
+static void mdso_perform_unit_actions(struct mdso_unit_ctx * uctx)
+{
+        uint64_t flags = uctx->cctx->fmtflags;
+
+        if (flags & MDSO_OUTPUT_EXPORT_SYMS) {
+                uctx->status = mdso_output_export_symbols(uctx,uctx->cctx,stdout);
+                uctx->nerrors += !!uctx->status;
+        }
+}
+
+static int mdso_exit(struct mdso_driver_ctx * dctx, int nerrors)
+{
+	mdso_free_driver_ctx(dctx);
+	return nerrors ? 2 : 0;
+}
+
+int mdso_main(int argc, char ** argv, char ** envp)
+{
+	int				ret;
+	struct mdso_driver_ctx *	dctx;
+	struct mdso_unit_ctx *		uctx;
+	const char **			unit;
+
+	if ((ret = mdso_get_driver_ctx(argv,envp,MDSO_DRIVER_FLAGS,&dctx)))
+		return (ret == MDSO_USAGE) ? !--argc : 2;
+
+	if (dctx->cctx->drvflags & MDSO_DRIVER_VERSION)
+		if ((mdso_version(dctx)) < 0)
+			return mdso_exit(dctx,2);
+
+	for (unit=dctx->units; *unit; unit++) {
+		if (!(mdso_get_unit_ctx(dctx,*unit,&uctx))) {
+			mdso_perform_unit_actions(uctx);
+			ret += uctx->nerrors;
+			mdso_free_unit_ctx(uctx);
+		}
+	}
+
+	if (*dctx->units) {
+		dctx->status  =  mdso_create_implib_sources(dctx);
+		dctx->nerrors += !!dctx->status;
+		ret += dctx->nerrors;
+	}
+
+	return mdso_exit(dctx,ret);
+}