Blame src/internal/slibtool_objmeta_impl.c

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/*******************************************************************/
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/*  slibtool: a skinny libtool implementation, written in C        */
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/*  Copyright (C) 2016--2018  Z. Gilboa                            */
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/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
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/*******************************************************************/
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#include <fcntl.h>
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#include <stdio.h>
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#include <slibtool/slibtool.h>
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#include "slibtool_driver_impl.h"
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#include "slibtool_dprintf_impl.h"
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#include "slibtool_errinfo_impl.h"
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#include "slibtool_metafile_impl.h"
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static int  slbt_create_default_object_wrapper(
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	const struct slbt_driver_ctx *	dctx,
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	struct slbt_exec_ctx *		ectx)
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{
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	int					ret;
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	int					fdout;
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	const struct slbt_source_version *	verinfo;
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	if ((fdout = openat(
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			slbt_driver_fdcwd(dctx),
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			ectx->ltobjname,
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			O_RDWR|O_CREAT|O_TRUNC,
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			0644)) < 0)
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		return SLBT_SYSTEM_ERROR(dctx,ectx->ltobjname);
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	verinfo = slbt_source_version();
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	ret = slbt_dprintf(fdout,
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		"# libtool compatible object wrapper\n"
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		"# Generated by %s (slibtool %d.%d.%d)\n"
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		"# [commit reference: %s]\n\n"
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		"pic_object='%s'\n"
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		"non_pic_object='%s'\n",
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		dctx->program,
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		verinfo->major,verinfo->minor,verinfo->revision,
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		verinfo->commit,
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		(dctx->cctx->drvflags & SLBT_DRIVER_SHARED)
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			? ectx->lobjname
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			: "none",
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		(dctx->cctx->drvflags & SLBT_DRIVER_STATIC)
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			? ectx->aobjname
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			: "none");
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	close(fdout);
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	return (ret < 0) ? SLBT_SYSTEM_ERROR(dctx,0) : 0;
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}
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static int  slbt_create_compatible_object_wrapper(
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	const struct slbt_driver_ctx *	dctx,
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	struct slbt_exec_ctx *		ectx)
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{
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	int					ret;
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	int					fdout;
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	const struct slbt_source_version *	verinfo;
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	if ((fdout = openat(
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			slbt_driver_fdcwd(dctx),
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			ectx->ltobjname,
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			O_RDWR|O_CREAT|O_TRUNC,
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			0644)) < 0)
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		return SLBT_SYSTEM_ERROR(dctx, ectx->ltobjname);
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	verinfo = slbt_source_version();
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	ret = slbt_dprintf(fdout,
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		"# %s - a libtool object file\n"
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		"# Generated by %s (slibtool %d.%d.%d)\n"
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		"# [commit reference: %s]\n"
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		"#\n"
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		"# Please DO NOT delete this file!\n"
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		"# It is necessary for linking the library.\n\n"
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		"# Name of the PIC object.\n"
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		"pic_object='%s'\n\n"
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		"# Name of the non-PIC object\n"
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		"non_pic_object='%s'\n",
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		ectx->ltobjname,
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		dctx->program,
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		verinfo->major,verinfo->minor,verinfo->revision,
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		verinfo->commit,
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		(dctx->cctx->drvflags & SLBT_DRIVER_SHARED)
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			? ectx->lobjname
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			: "none",
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		(dctx->cctx->drvflags & SLBT_DRIVER_STATIC)
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			? ectx->aobjname
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			: "none");
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	close(fdout);
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	return (ret < 0) ? SLBT_SYSTEM_ERROR(dctx,0) : 0;
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}
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int  slbt_create_object_wrapper(
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	const struct slbt_driver_ctx *	dctx,
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	struct slbt_exec_ctx *		ectx)
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{
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	if (dctx->cctx->drvflags & SLBT_DRIVER_LEGABITS)
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		return slbt_create_compatible_object_wrapper(dctx,ectx);
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	else
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		return slbt_create_default_object_wrapper(dctx,ectx);
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}