From ea3e47f25f00f7c4a33c0d88aa8a4a39ad9313b0 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: May 19 2024 03:36:18 +0000
Subject: item queue: removed tpax_archive_append_one().


---

diff --git a/src/logic/tpax_archive_append.c b/src/logic/tpax_archive_append.c
index f467c4a..219c596 100644
--- a/src/logic/tpax_archive_append.c
+++ b/src/logic/tpax_archive_append.c
@@ -256,216 +256,6 @@ static int tpax_archive_append_queue_item(
 	return 0;
 }
 
-static int tpax_archive_append_one(
-	const struct tpax_driver_ctx *  dctx,
-	const struct tpax_unit_ctx *    uctx,
-	const struct dirent *           dent,
-	int                             fdat,
-	const char *                    prefix,
-	const struct tpax_dirent *      parent,
-	const char *                    pdir)
-{
-	struct tpax_unit_ctx *          unit;
-	struct tpax_ustar_header        uhdr;
-	off_t                           hpos;
-	off_t                           dpos;
-	int                             fdout;
-	int                             fdtmp;
-	ssize_t                         nread;
-	ssize_t                         nbytes;
-	void *                          buf;
-	size_t                          buflen;
-	size_t                          cmplen;
-	void *				membuf;
-	size_t                          nlen;
-	const char *			path;
-	const char *                    src;
-	char *                          dst;
-	char				pbuf[1024];
-
-	/* fake uctx for recursion items */
-	unit = 0;
-
-	if (dent && tpax_get_unit_ctx(
-			dctx,fdat,dent->d_name,
-			&unit) < 0)
-		return TPAX_NESTED_ERROR(dctx);
-
-	uctx = dent ? unit : uctx;
-
-	/* prefixed path */
-	if (!prefix && !parent && !pdir) {
-		path = *uctx->path;
-
-	} else {
-		nlen  = strlen(*uctx->path);
-		nlen += prefix ? strlen(prefix) + 1 : 0;
-		nlen += parent ? strlen(parent->dirent.d_name) + 1 : 0;
-
-		if (nlen >= sizeof(pbuf))
-			return TPAX_BUFFER_ERROR(dctx);
-
-		dst = pbuf;
-
-		if (prefix) {
-			src = prefix;
-
-			for (; *src; )
-				*dst++ = *src++;
-
-			if (dst[-1] != '/')
-				*dst++ = '/';
-		}
-
-		if (parent) {
-			src = parent->dirent.d_name;
-
-			for (; *src; )
-				*dst++ = *src++;
-
-			*dst++ = '/';
-		}
-
-		if (pdir) {
-			src = pdir;
-
-			for (; *src; )
-				*dst++ = *src++;
-
-			*dst++ = '/';
-		}
-
-		src = *uctx->path;
-
-		for (; *src; )
-			*dst++ = *src++;
-
-		*dst = 0;
-		path = pbuf;
-	}
-
-	/* record errors */
-	tpax_driver_set_ectx(
-		dctx,0,path);
-
-	/* driver */
-	fdout = tpax_driver_fdout(dctx);
-
-	/* header and data offsets: todo pax and cpio */
-	hpos = tpax_get_driver_cpos(dctx);
-	dpos = hpos + sizeof(uhdr);
-
-	/* header */
-	if (tpax_init_ustar_header(
-			dctx,path,uctx->st,
-			*uctx->link,&uhdr) < 0)
-		return tpax_archive_append_ret(
-			TPAX_NESTED_ERROR(dctx),
-			unit);
-
-	/* buffer  */
-	membuf = 0;
-	fdtmp  = -1;
-
-	/* associated data? */
-	if S_ISREG(uctx->st->st_mode) {
-		buf = tpax_get_driver_anon_map_addr(
-			dctx,&buflen);
-
-		if (buflen >= (cmplen = uctx->st->st_size))
-			membuf = buf;
-
-		/* snapshot */
-		if (membuf) {
-			if (tpax_file_create_memory_snapshot(
-					dctx,fdat,*uctx->path,
-					uctx->st,membuf) < 0)
-				return tpax_archive_append_ret(
-					TPAX_NESTED_ERROR(dctx),
-					unit);
-		} else {
-			if ((fdtmp = tpax_file_create_tmpfs_snapshot(
-					dctx,fdat,*uctx->path,
-					uctx->st)) < 0)
-				return tpax_archive_append_ret(
-					TPAX_NESTED_ERROR(dctx),
-					unit);
-
-			if (lseek(fdtmp,0,SEEK_SET) < 0)
-				return tpax_archive_append_ret(
-					TPAX_SYSTEM_ERROR(dctx),
-					unit);
-		}
-	}
-
-	/* append header */
-	if (tpax_archive_append_memory_data(fdout,&uhdr,ssizeof(uhdr)) < 0) {
-		if (fdtmp >= 0)
-			close(fdtmp);
-
-		return tpax_archive_append_ret(
-			TPAX_SYSTEM_ERROR(dctx),
-			unit);
-	}
-
-	tpax_set_driver_cpos(dctx,dpos);
-
-	/* all done? */
-	if (!(S_ISREG(uctx->st->st_mode))) {
-		tpax_archive_append_ret(0,unit);
-		return 0;
-	}
-
-	/* append data from snapshot */
-	if (fdtmp >= 0) {
-		buf = tpax_get_driver_anon_map_addr(
-			dctx,&buflen);
-
-		for (nread=0; nread<uctx->st->st_size; ) {
-			nbytes = read(fdtmp,buf,buflen);
-
-			while ((nbytes < 0) && (errno == EINTR))
-				nbytes = read(fdtmp,buf,buflen);
-
-			if (nbytes < 0) {
-				close(fdtmp);
-				return tpax_archive_append_ret(
-					TPAX_SYSTEM_ERROR(dctx),
-					unit);
-
-			} else if (nbytes == 0) {
-				close(fdtmp);
-				return tpax_archive_append_ret(
-					TPAX_CUSTOM_ERROR(dctx,TPAX_ERR_FLOW_ERROR),
-					unit);
-
-			} else {
-				nread += nbytes;
-			}
-
-			if (tpax_archive_append_memory_data(fdout,buf,nbytes) < 0) {
-				close(fdtmp);
-				return tpax_archive_append_ret(
-					TPAX_SYSTEM_ERROR(dctx),
-					unit);
-			}
-		}
-
-		close(fdtmp);
-	} else {
-		if (tpax_archive_append_memory_data(
-				fdout,membuf,
-				uctx->st->st_size) < 0)
-			return tpax_archive_append_ret(
-				TPAX_SYSTEM_ERROR(dctx),
-				unit);
-	}
-
-	return tpax_archive_append_ret(
-		tpax_archive_append_pad(dctx,fdout,uctx->st),
-		unit);
-}
-
 static int tpax_archive_append_dir_entries(
 	const struct tpax_driver_ctx *  dctx,
 	struct tpax_dirent *            dent)
@@ -585,7 +375,6 @@ int tpax_archive_append_item(
 	(void)uctx;
 
 	(void)tpax_archive_append_dir_entries;
-	(void)tpax_archive_append_one;
 	(void)tpax_append_prefix_item;
 
 	return 0;