Move library source into src sub-directory

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 0 insertions, 282 deletions

diff --git a/lib/tar/write_header.c b/lib/tar/write_header.c
deleted file mode 100644
index b0711b3..0000000
--- a/lib/tar/write_header.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * write_header.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "internal.h"
-#include <string.h>
-
-static void write_binary(char *dst, sqfs_u64 value, int digits)
-{
-	memset(dst, 0, digits);
-
-	while (digits > 0) {
-		((unsigned char *)dst)[digits - 1] = value & 0xFF;
-		--digits;
-		value >>= 8;
-	}
-
-	((unsigned char *)dst)[0] |= 0x80;
-}
-
-static void write_number(char *dst, sqfs_u64 value, int digits)
-{
-	sqfs_u64 mask = 0;
-	char buffer[64];
-	int i;
-
-	for (i = 0; i < (digits - 1); ++i)
-		mask = (mask << 3) | 7;
-
-	if (value <= mask) {
-		sprintf(buffer, "%0*lo ", digits - 1, (unsigned long)value);
-		memcpy(dst, buffer, digits);
-	} else if (value <= ((mask << 3) | 7)) {
-		sprintf(buffer, "%0*lo", digits, (unsigned long)value);
-		memcpy(dst, buffer, digits);
-	} else {
-		write_binary(dst, value, digits);
-	}
-}
-
-static void write_number_signed(char *dst, sqfs_s64 value, int digits)
-{
-	sqfs_u64 neg;
-
-	if (value < 0) {
-		neg = -value;
-		write_binary(dst, ~neg + 1, digits);
-	} else {
-		write_number(dst, value, digits);
-	}
-}
-
-static int write_header(ostream_t *fp, const struct stat *sb, const char *name,
-			const char *slink_target, int type)
-{
-	int maj = 0, min = 0;
-	sqfs_u64 size = 0;
-	tar_header_t hdr;
-
-	if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) {
-		maj = major(sb->st_rdev);
-		min = minor(sb->st_rdev);
-	}
-
-	if (S_ISREG(sb->st_mode))
-		size = sb->st_size;
-
-	memset(&hdr, 0, sizeof(hdr));
-
-	strncpy(hdr.name, name, sizeof(hdr.name) - 1);
-	write_number(hdr.mode, sb->st_mode & ~S_IFMT, sizeof(hdr.mode));
-	write_number(hdr.uid, sb->st_uid, sizeof(hdr.uid));
-	write_number(hdr.gid, sb->st_gid, sizeof(hdr.gid));
-	write_number(hdr.size, size, sizeof(hdr.size));
-	write_number_signed(hdr.mtime, sb->st_mtime, sizeof(hdr.mtime));
-	hdr.typeflag = type;
-	if (slink_target != NULL)
-		memcpy(hdr.linkname, slink_target, sb->st_size);
-	memcpy(hdr.magic, TAR_MAGIC_OLD, sizeof(hdr.magic));
-	memcpy(hdr.version, TAR_VERSION_OLD, sizeof(hdr.version));
-	sprintf(hdr.uname, "%u", sb->st_uid);
-	sprintf(hdr.gname, "%u", sb->st_gid);
-	write_number(hdr.devmajor, maj, sizeof(hdr.devmajor));
-	write_number(hdr.devminor, min, sizeof(hdr.devminor));
-
-	update_checksum(&hdr);
-
-	return ostream_append(fp, &hdr, sizeof(hdr));
-}
-
-static int write_gnu_header(ostream_t *fp, const struct stat *orig,
-			    const char *payload, size_t payload_len,
-			    int type, const char *name)
-{
-	struct stat sb;
-
-	sb = *orig;
-	sb.st_mode = S_IFREG | 0644;
-	sb.st_size = payload_len;
-
-	if (write_header(fp, &sb, name, NULL, type))
-		return -1;
-
-	if (ostream_append(fp, payload, payload_len))
-		return -1;
-
-	return padd_file(fp, payload_len);
-}
-
-static size_t num_digits(size_t num)
-{
-	size_t i = 1;
-
-	while (num >= 10) {
-		num /= 10;
-		++i;
-	}
-
-	return i;
-}
-
-static size_t prefix_digit_len(size_t len)
-{
-	size_t old_ndigit, ndigit = 0;
-
-	do {
-		old_ndigit = ndigit;
-		ndigit = num_digits(len + ndigit);
-	} while (old_ndigit != ndigit);
-
-	return ndigit;
-}
-
-static int write_schily_xattr(ostream_t *fp, const struct stat *orig,
-			      const char *name, const tar_xattr_t *xattr)
-{
-	static const char *prefix = "SCHILY.xattr.";
-	size_t len, total_size = 0;
-	const tar_xattr_t *it;
-	struct stat sb;
-
-	for (it = xattr; it != NULL; it = it->next) {
-		len = strlen(prefix) + strlen(it->key) + it->value_len + 3;
-
-		total_size += len + prefix_digit_len(len);
-	}
-
-	sb = *orig;
-	sb.st_mode = S_IFREG | 0644;
-	sb.st_size = total_size;
-
-	if (write_header(fp, &sb, name, NULL, TAR_TYPE_PAX))
-		return -1;
-
-	for (it = xattr; it != NULL; it = it->next) {
-		len = strlen(prefix) + strlen(it->key) + it->value_len + 3;
-		len += prefix_digit_len(len);
-
-		if (ostream_printf(fp, PRI_SZ " %s%s=",
-				   len, prefix, it->key) < 0) {
-			return -1;
-		}
-		if (ostream_append(fp, it->value, it->value_len))
-			return -1;
-		if (ostream_append(fp, "\n", 1))
-			return -1;
-	}
-
-	return padd_file(fp, total_size);
-}
-
-int write_tar_header(ostream_t *fp, const struct stat *sb, const char *name,
-		     const char *slink_target, const tar_xattr_t *xattr,
-		     unsigned int counter)
-{
-	const char *reason;
-	char buffer[64];
-	int type;
-
-	if (xattr != NULL) {
-		sprintf(buffer, "pax/xattr%u", counter);
-
-		if (write_schily_xattr(fp, sb, buffer, xattr))
-			return -1;
-	}
-
-	if (!S_ISLNK(sb->st_mode))
-		slink_target = NULL;
-
-	if (S_ISLNK(sb->st_mode) && sb->st_size >= 100) {
-		sprintf(buffer, "gnu/target%u", counter);
-		if (write_gnu_header(fp, sb, slink_target, sb->st_size,
-				     TAR_TYPE_GNU_SLINK, buffer))
-			return -1;
-		slink_target = NULL;
-	}
-
-	if (strlen(name) >= 100) {
-		sprintf(buffer, "gnu/name%u", counter);
-
-		if (write_gnu_header(fp, sb, name, strlen(name),
-				     TAR_TYPE_GNU_PATH, buffer)) {
-			return -1;
-		}
-
-		sprintf(buffer, "gnu/data%u", counter);
-		name = buffer;
-	}
-
-	switch (sb->st_mode & S_IFMT) {
-	case S_IFCHR: type = TAR_TYPE_CHARDEV; break;
-	case S_IFBLK: type = TAR_TYPE_BLOCKDEV; break;
-	case S_IFLNK: type = TAR_TYPE_SLINK; break;
-	case S_IFREG: type = TAR_TYPE_FILE; break;
-	case S_IFDIR: type = TAR_TYPE_DIR; break;
-	case S_IFIFO: type = TAR_TYPE_FIFO; break;
-	case S_IFSOCK:
-		reason = "cannot pack socket";
-		goto out_skip;
-	default:
-		reason = "unknown type";
-		goto out_skip;
-	}
-
-	return write_header(fp, sb, name, slink_target, type);
-out_skip:
-	fprintf(stderr, "WARNING: %s: %s\n", name, reason);
-	return 1;
-}
-
-int write_hard_link(ostream_t *fp, const struct stat *sb, const char *name,
-		    const char *target, unsigned int counter)
-{
-	tar_header_t hdr;
-	char buffer[64];
-	size_t len;
-
-	memset(&hdr, 0, sizeof(hdr));
-
-	len = strlen(target);
-	if (len >= 100) {
-		sprintf(buffer, "gnu/target%u", counter);
-		if (write_gnu_header(fp, sb, target, len,
-				     TAR_TYPE_GNU_SLINK, buffer))
-			return -1;
-		sprintf(hdr.linkname, "hardlink_%u", counter);
-	} else {
-		memcpy(hdr.linkname, target, len);
-	}
-
-	len = strlen(name);
-	if (len >= 100) {
-		sprintf(buffer, "gnu/name%u", counter);
-		if (write_gnu_header(fp, sb, name, len,
-				     TAR_TYPE_GNU_PATH, buffer)) {
-			return -1;
-		}
-		sprintf(hdr.name, "gnu/data%u", counter);
-	} else {
-		memcpy(hdr.name, name, len);
-	}
-
-	write_number(hdr.mode, sb->st_mode & ~S_IFMT, sizeof(hdr.mode));
-	write_number(hdr.uid, sb->st_uid, sizeof(hdr.uid));
-	write_number(hdr.gid, sb->st_gid, sizeof(hdr.gid));
-	write_number(hdr.size, 0, sizeof(hdr.size));
-	write_number_signed(hdr.mtime, sb->st_mtime, sizeof(hdr.mtime));
-	hdr.typeflag = TAR_TYPE_LINK;
-	memcpy(hdr.magic, TAR_MAGIC_OLD, sizeof(hdr.magic));
-	memcpy(hdr.version, TAR_VERSION_OLD, sizeof(hdr.version));
-	sprintf(hdr.uname, "%u", sb->st_uid);
-	sprintf(hdr.gname, "%u", sb->st_gid);
-	write_number(hdr.devmajor, 0, sizeof(hdr.devmajor));
-	write_number(hdr.devminor, 0, sizeof(hdr.devminor));
-
-	update_checksum(&hdr);
-	return ostream_append(fp, &hdr, sizeof(hdr));
-}