1 files changed, 126 insertions, 0 deletions
diff --git a/src/output/slbt_output_info.c b/src/output/slbt_output_info.c
new file mode 100644
index 0000000..583906f
--- /dev/null
+++ b/src/output/slbt_output_info.c
@@ -0,0 +1,126 @@
+/*******************************************************************/
+/*  slibtool: a strong libtool implementation, written in C        */
+/*  Copyright (C) 2016--2024  SysDeer Technologies, LLC            */
+/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
+/*******************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <slibtool/slibtool.h>
+#include "slibtool_driver_impl.h"
+#include "slibtool_dprintf_impl.h"
+#include "slibtool_errinfo_impl.h"
+
+#ifndef SLBT_TAB_WIDTH
+#define SLBT_TAB_WIDTH 8
+#endif
+
+#ifndef SLBT_KEY_WIDTH
+#define SLBT_KEY_WIDTH 16
+#endif
+
+static bool slbt_output_info_line(
+	int		fd,
+	const char *	key,
+	const char *	value,
+	const char *	annotation,
+	int		midwidth)
+{
+	return (slbt_dprintf(fd,"%-*s%-*s%s\n",
+			SLBT_KEY_WIDTH, key,
+			midwidth, value ? value : "",
+			annotation ? annotation : "") < 0)
+		? true : false;
+}
+
+int slbt_output_info(const struct slbt_driver_ctx * dctx)
+{
+	const struct slbt_common_ctx *	cctx;
+	const char *			compiler;
+	const char *			target;
+	int				len;
+	int				midwidth;
+	int				fdout;
+
+	cctx     = dctx->cctx;
+	compiler = cctx->cargv[0] ? cctx->cargv[0] : "";
+	target   = cctx->target   ? cctx->target   : "";
+	midwidth = strlen(compiler);
+	fdout    = slbt_driver_fdout(dctx);
+
+	if ((len = strlen(target)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.host)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.flavor)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.ar)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.as)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.nm)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.ranlib)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.windres)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.dlltool)) > midwidth)
+		midwidth = len;
+
+	if ((len = strlen(cctx->host.mdso)) > midwidth)
+		midwidth = len;
+
+	midwidth += SLBT_TAB_WIDTH;
+	midwidth &= (~(SLBT_TAB_WIDTH-1));
+
+	if (slbt_output_info_line(fdout,"key","value","annotation",midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"---","-----","----------",midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"compiler",cctx->cargv[0],"",midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"target",cctx->target,"",midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"host",cctx->host.host,cctx->cfgmeta.host,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"flavor",cctx->host.flavor,cctx->cfgmeta.flavor,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"ar",cctx->host.ar,cctx->cfgmeta.ar,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"as",cctx->host.as,cctx->cfgmeta.as,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"nm",cctx->host.nm,cctx->cfgmeta.nm,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"ranlib",cctx->host.ranlib,cctx->cfgmeta.ranlib,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"windres",cctx->host.windres,cctx->cfgmeta.windres,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"dlltool",cctx->host.dlltool,cctx->cfgmeta.dlltool,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (slbt_output_info_line(fdout,"mdso",cctx->host.mdso,cctx->cfgmeta.mdso,midwidth))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	return 0;
+}