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Abstract read and seek in unarchiving code, convert bunzip to file descriptors, support tar -j

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This commit is contained in:
Glenn L McGrath
2002-11-03 14:05:15 +00:00
parent 2fc54a9258
commit 237ae42fc9
28 changed files with 466 additions and 332 deletions
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15
archival/unzip.c
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@@ -136,13 +136,14 @@ extern int unzip_main(int argc, char **argv)
if (*argv[optind] == '-') {
archive_handle->src_fd = fileno(stdin);
} else {
archive_handle->seek = seek_by_char;
} else {
archive_handle->src_fd = xopen(argv[optind++], O_RDONLY);
}
}
if ((base_dir) && (chdir(base_dir))) {
perror_msg_and_die("Couldnt chdir");
}
}
while (optind < argc) {
archive_handle->filter = filter_accept_list;
@@ -155,7 +156,7 @@ extern int unzip_main(int argc, char **argv)
int dst_fd;
/* TODO Endian issues */
xread_all(archive_handle->src_fd, &magic, 4);
archive_xread_all(archive_handle, &magic, 4);
archive_handle->offset += 4;
if (magic == ZIP_CDS_MAGIC) {
@@ -166,7 +167,7 @@ extern int unzip_main(int argc, char **argv)
}
/* Read the file header */
xread_all(archive_handle->src_fd, zip_header.raw, 26);
archive_xread_all(archive_handle, zip_header.raw, 26);
archive_handle->offset += 26;
archive_handle->file_header->mode = S_IFREG | 0777;
@@ -176,7 +177,7 @@ extern int unzip_main(int argc, char **argv)
/* Read filename */
archive_handle->file_header->name = xmalloc(zip_header.formated.filename_len + 1);
xread_all(archive_handle->src_fd, archive_handle->file_header->name, zip_header.formated.filename_len);
archive_xread_all(archive_handle, archive_handle->file_header->name, zip_header.formated.filename_len);
archive_handle->offset += zip_header.formated.filename_len;
archive_handle->file_header->name[zip_header.formated.filename_len] = '\0';
@@ -228,7 +229,7 @@ extern int unzip_main(int argc, char **argv)
/* skip over duplicate crc, compressed size and uncompressed size */
unsigned short i;
for (i = 0; i != 12; i++) {
xread_char(archive_handle->src_fd);
archive_xread_char(archive_handle);
}
archive_handle->offset += 12;
}