Blame src/arbits/output/slbt_au_output_members.c

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/*******************************************************************/
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/*  slibtool: a skinny libtool implementation, written in C        */
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/*  Copyright (C) 2016--2024  SysDeer Technologies, LLC            */
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/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
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/*******************************************************************/
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#include <time.h>
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#include <locale.h>
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#include <inttypes.h>
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#include <slibtool/slibtool.h>
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#include <slibtool/slibtool_output.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_ar_impl.h"
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#define SLBT_PRETTY_FLAGS       (SLBT_PRETTY_YAML      \
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	                         | SLBT_PRETTY_POSIX    \
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	                         | SLBT_PRETTY_HEXDATA)
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#define PPRIU64 "%"PRIu64
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const char slbt_ar_perm_strs[8][4] = {
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	{'-','-','-','\0'},
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	{'-','-','x','\0'},
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	{'-','w','-','\0'},
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	{'-','w','x','\0'},
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	{'r','-','-','\0'},
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	{'r','-','x','\0'},
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	{'r','w','-','\0'},
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	{'r','w','x','\0'}
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};
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static unsigned slbt_au_output_decimal_len_from_val(size_t val, unsigned min)
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{
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	unsigned ret;
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	for (ret=0; val; ret++)
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		val /= 10;
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	return (ret > min) ? ret : min;
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}
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static int slbt_au_output_one_member_posix(
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	int                             fdout,
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	struct ar_meta_member_info *    memberp)
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{
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	return slbt_dprintf(
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		fdout,"%s\n",
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		memberp->ar_file_header.ar_member_name);
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}
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static int slbt_au_output_one_member_posix_verbose(
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	int                             fdout,
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	struct ar_meta_member_info *    memberp,
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	const char *                    fmtstr,
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	locale_t                        arlocale)
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{
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	unsigned    ownerbits;
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	unsigned    groupbits;
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	unsigned    worldbits;
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	time_t      artimeval;
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	struct tm   artimeloc;
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	char        artimestr[64] = {0};
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	ownerbits = (memberp->ar_file_header.ar_file_mode & 0700) >> 6;
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	groupbits = (memberp->ar_file_header.ar_file_mode & 0070) >> 3;
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	worldbits = (memberp->ar_file_header.ar_file_mode & 0007);
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	artimeval = memberp->ar_file_header.ar_time_date_stamp;
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	if (localtime_r(&artimeval,&artimeloc))
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		strftime_l(
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			artimestr,sizeof(artimestr),
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			"%b %e %H:%M %Y",&artimeloc,
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			arlocale);
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	return slbt_dprintf(
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		fdout,fmtstr,
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		slbt_ar_perm_strs[ownerbits],
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		slbt_ar_perm_strs[groupbits],
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		slbt_ar_perm_strs[worldbits],
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		memberp->ar_file_header.ar_uid,
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		memberp->ar_file_header.ar_gid,
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		memberp->ar_object_size,
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		artimestr,
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		memberp->ar_file_header.ar_member_name);
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}
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static int slbt_au_output_members_posix(
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	const struct slbt_driver_ctx *  dctx,
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	const struct slbt_archive_meta * meta,
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	const struct slbt_fd_ctx *       fdctx)
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{
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	struct ar_meta_member_info **   memberp;
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	int                             fdout;
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	size_t                          testval;
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	size_t                          sizelen;
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	size_t                          uidlen;
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	size_t                          gidlen;
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	locale_t                        arloc;
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	char                            fmtstr[64];
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	fdout = fdctx->fdout;
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	arloc = 0;
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	if (dctx->cctx->fmtflags & SLBT_PRETTY_VERBOSE) {
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		for (sizelen=0,memberp=meta->a_memberv; *memberp; memberp++)
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			if ((testval = memberp[0]->ar_object_size) > sizelen)
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				sizelen = testval;
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		for (uidlen=0,memberp=meta->a_memberv; *memberp; memberp++)
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			if ((testval = memberp[0]->ar_file_header.ar_uid) > uidlen)
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				uidlen = testval;
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		for (gidlen=0,memberp=meta->a_memberv; *memberp; memberp++)
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			if ((testval = memberp[0]->ar_file_header.ar_gid) > gidlen)
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				gidlen = testval;
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		sizelen = slbt_au_output_decimal_len_from_val(sizelen,6);
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		uidlen  = slbt_au_output_decimal_len_from_val(uidlen,1);
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		gidlen  = slbt_au_output_decimal_len_from_val(gidlen,1);
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		arloc   = newlocale(LC_ALL,setlocale(LC_ALL,0),0);
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		sprintf(
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			fmtstr,
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			"%%s%%s%%s "
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			"%%"   PPRIU64 "u"
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			"/%%-" PPRIU64 "u "
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			"%%"   PPRIU64 "u "
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			"%%s "
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			"%%s\n",
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			uidlen,
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			gidlen,
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			sizelen);
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	}
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	for (memberp=meta->a_memberv; *memberp; memberp++) {
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		switch ((*memberp)->ar_member_attr) {
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			case AR_MEMBER_ATTR_ARMAP:
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			case AR_MEMBER_ATTR_LINKINFO:
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			case AR_MEMBER_ATTR_NAMESTRS:
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				break;
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			default:
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				if (arloc) {
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					if (slbt_au_output_one_member_posix_verbose(
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							fdout,*memberp,fmtstr,arloc) < 0)
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						return SLBT_SYSTEM_ERROR(dctx,0);
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				} else {
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					if (slbt_au_output_one_member_posix(
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							fdout,*memberp) < 0)
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						return SLBT_SYSTEM_ERROR(dctx,0);
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				}
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		}
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	}
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	if (arloc)
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		freelocale(arloc);
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	return 0;
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}
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static int slbt_au_output_one_member_yaml(
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	int                             fdout,
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	struct ar_meta_member_info *    memberp)
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{
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	return slbt_dprintf(
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		fdout,
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		"    - [ member: %s ]\n",
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		memberp->ar_file_header.ar_member_name);
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}
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static int slbt_au_output_one_member_yaml_verbose(
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	int                             fdout,
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	struct ar_meta_member_info *    memberp,
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	locale_t                        arlocale)
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{
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	time_t      artimeval;
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	struct tm   artimeloc;
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	char        artimestr[64] = {0};
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	artimeval = memberp->ar_file_header.ar_time_date_stamp;
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	if (localtime_r(&artimeval,&artimeloc))
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		strftime_l(
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			artimestr,sizeof(artimestr),
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			"%Y/%m/%d @ %H:%M",&artimeloc,
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			arlocale);
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	return slbt_dprintf(
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		fdout,
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		"    - Member:\n"
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		"      - [ name:       " "%s"    " ]\n"
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		"      - [ timestamp:  " "%s"    " ]\n"
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		"      - [ filesize:   " PPRIU64 " ]\n"
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		"      - [ uid:        " "%d"    " ]\n"
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		"      - [ gid:        " "%d"    " ]\n"
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		"      - [ mode:       " "%d"    " ]\n\n",
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		memberp->ar_file_header.ar_member_name,
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		artimestr,
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		memberp->ar_object_size,
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		memberp->ar_file_header.ar_uid,
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		memberp->ar_file_header.ar_gid,
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		memberp->ar_file_header.ar_file_mode);
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}
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static int slbt_au_output_members_yaml(
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	const struct slbt_driver_ctx *  dctx,
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	const struct slbt_archive_meta * meta,
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	const struct slbt_fd_ctx *       fdctx)
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{
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	struct ar_meta_member_info **   memberp;
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	int                             fdout;
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	locale_t                        arloc;
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	fdout = fdctx->fdout;
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	arloc = 0;
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	if (dctx->cctx->fmtflags & SLBT_PRETTY_VERBOSE) {
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		arloc   = newlocale(LC_ALL,setlocale(LC_ALL,0),0);
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	}
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	if (slbt_dprintf(fdctx->fdout,"  - Members:\n") < 0)
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		return SLBT_SYSTEM_ERROR(dctx,0);
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	for (memberp=meta->a_memberv; *memberp; memberp++) {
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		switch ((*memberp)->ar_member_attr) {
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			case AR_MEMBER_ATTR_ARMAP:
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			case AR_MEMBER_ATTR_LINKINFO:
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			case AR_MEMBER_ATTR_NAMESTRS:
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				break;
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			default:
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				if (arloc) {
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					if (slbt_au_output_one_member_yaml_verbose(
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							fdout,*memberp,arloc) < 0)
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						return SLBT_SYSTEM_ERROR(dctx,0);
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				} else {
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					if (slbt_au_output_one_member_yaml(
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							fdout,*memberp) < 0)
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						return SLBT_SYSTEM_ERROR(dctx,0);
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				}
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		}
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	}
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	if (arloc)
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		freelocale(arloc);
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	return 0;
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}
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int slbt_au_output_members(const struct slbt_archive_meta * meta)
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{
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	const struct slbt_driver_ctx *  dctx;
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	struct slbt_fd_ctx              fdctx;
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	dctx = (slbt_archive_meta_ictx(meta))->dctx;
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	if (slbt_lib_get_driver_fdctx(dctx,&fdctx) < 0)
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		return SLBT_NESTED_ERROR(dctx);
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	if (!meta->a_memberv)
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		return 0;
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	switch (dctx->cctx->fmtflags & SLBT_PRETTY_FLAGS) {
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		case SLBT_PRETTY_YAML:
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			return slbt_au_output_members_yaml(
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				dctx,meta,&fdctx);
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		case SLBT_PRETTY_POSIX:
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			return slbt_au_output_members_posix(
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				dctx,meta,&fdctx);
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		default:
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			return slbt_au_output_members_yaml(
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				dctx,meta,&fdctx);
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	}
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}