X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fmake_ext4fs.git;a=blobdiff_plain;f=make_ext4fs.c;h=bf5f49fb115f6c2ba37a2aef5f311780aff7f430;hp=5087811026126d4073f16f502d24b1784ebca8c9;hb=484903e4332be6c317f531b008cb2a841a18c506;hpb=d8400e132c67a993248d25fd9026dcc5ffedc96c;ds=sidebyside diff --git a/make_ext4fs.c b/make_ext4fs.c index 5087811..bf5f49f 100644 --- a/make_ext4fs.c +++ b/make_ext4fs.c @@ -14,7 +14,6 @@ * limitations under the License. */ -#include "make_ext4fs.h" #include "ext4_utils.h" #include "allocate.h" #include "contents.h" @@ -34,6 +33,7 @@ #include #include #include +#include /* TODO: Not implemented: Allocating blocks in the same block group as the file inode @@ -45,23 +45,23 @@ static int filter_dot(const struct dirent *d) return (strcmp(d->d_name, "..") && strcmp(d->d_name, ".")); } -static u32 build_default_directory_structure(const char *dir_path) +static u32 build_default_directory_structure(time_t fixed_time) { u32 inode; u32 root_inode; struct dentry dentries = { - .filename = "lost+found", - .file_type = EXT4_FT_DIR, - .mode = S_IRWXU, - .uid = 0, - .gid = 0, - .mtime = 0, + .filename = "lost+found", + .file_type = EXT4_FT_DIR, + .mode = S_IRWXU, + .uid = 0, + .gid = 0, + .mtime = (fixed_time != -1) ? fixed_time : 0, }; root_inode = make_directory(0, 1, &dentries, 1); inode = make_directory(root_inode, 0, NULL, 0); *dentries.inode = inode; inode_set_permissions(inode, dentries.mode, - dentries.uid, dentries.gid, dentries.mtime); + dentries.uid, dentries.gid, dentries.mtime); return root_inode; } @@ -88,6 +88,9 @@ static u32 build_directory_structure(const char *full_path, const char *dir_path u32 dirs = 0; bool needs_lost_and_found = false; + /* alphasort is locale-dependent; let's fix the locale to some sane value */ + setlocale(LC_COLLATE, "C"); + if (full_path) { entries = scandir(full_path, &namelist, filter_dot, (void*)alphasort); if (entries < 0) { @@ -312,48 +315,6 @@ static u32 compute_bg_desc_reserve_blocks() return bg_desc_reserve_blocks; } -void reset_ext4fs_info() { - // Reset all the global data structures used by make_ext4fs so it - // can be called again. - memset(&info, 0, sizeof(info)); - memset(&aux_info, 0, sizeof(aux_info)); - - if (ext4_sparse_file) { - sparse_file_destroy(ext4_sparse_file); - ext4_sparse_file = NULL; - } -} - -int make_ext4fs_sparse_fd(int fd, long long len, - const char *mountpoint) -{ - reset_ext4fs_info(); - info.len = len; - - return make_ext4fs_internal(fd, NULL, mountpoint, NULL, 0, 1, 0, 0, 0, -1, NULL); -} - -int make_ext4fs(const char *filename, long long len, - const char *mountpoint) -{ - int fd; - int status; - - reset_ext4fs_info(); - info.len = len; - - fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd < 0) { - error_errno("open"); - return EXIT_FAILURE; - } - - status = make_ext4fs_internal(fd, NULL, mountpoint, NULL, 0, 0, 0, 1, 0, -1, NULL); - close(fd); - - return status; -} - /* return a newly-malloc'd string that is a copy of str. The new string is guaranteed to have a trailing slash. If absolute is true, the new string is also guaranteed to have a leading slash. @@ -415,28 +376,20 @@ static char *canonicalize_rel_slashes(const char *str) } int make_ext4fs_internal(int fd, const char *_directory, - const char *_mountpoint, fs_config_func_t fs_config_func, int gzip, + fs_config_func_t fs_config_func, int gzip, int sparse, int crc, int wipe, int verbose, time_t fixed_time, FILE* block_list_file) { u32 root_inode_num; u16 root_mode; - char *mountpoint; char *directory = NULL; if (setjmp(setjmp_env)) return EXIT_FAILURE; /* Handle a call to longjmp() */ - if (_mountpoint == NULL) { - mountpoint = strdup(""); - } else { - mountpoint = canonicalize_abs_slashes(_mountpoint); - } - - if (_directory) { + if (_directory) directory = canonicalize_rel_slashes(_directory); - } if (info.len <= 0) info.len = get_file_size(fd); @@ -503,6 +456,7 @@ int make_ext4fs_internal(int fd, const char *_directory, printf(" Blocks: %"PRIu64"\n", aux_info.len_blocks); printf(" Block groups: %d\n", aux_info.groups); + printf(" Reserved blocks: %"PRIu64"\n", (aux_info.len_blocks / 100) * info.reserve_pcnt); printf(" Reserved block group size: %d\n", info.bg_desc_reserve_blocks); ext4_sparse_file = sparse_file_new(info.block_size, info.len); @@ -521,25 +475,25 @@ int make_ext4fs_internal(int fd, const char *_directory, ext4_create_resize_inode(); if (directory) - root_inode_num = build_directory_structure(directory, mountpoint, 0, + root_inode_num = build_directory_structure(directory, "", 0, fs_config_func, verbose, fixed_time); else - root_inode_num = build_default_directory_structure(mountpoint); + root_inode_num = build_default_directory_structure(fixed_time); root_mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; - inode_set_permissions(root_inode_num, root_mode, 0, 0, 0); + inode_set_permissions(root_inode_num, root_mode, 0, 0, + (fixed_time != 1) ? fixed_time : 0); ext4_update_free(); ext4_queue_sb(); if (block_list_file) { - size_t dirlen = directory ? strlen(directory) : 0; + size_t dirlen = strlen(directory); struct block_allocation* p = get_saved_allocation_chain(); while (p) { - if (directory && strncmp(p->filename, directory, dirlen) == 0) { - // substitute mountpoint for the leading directory in the filename, in the output file - fprintf(block_list_file, "%s%s", mountpoint, p->filename + dirlen); + if (strncmp(p->filename, directory, dirlen) == 0) { + fprintf(block_list_file, "%s", p->filename + dirlen); } else { fprintf(block_list_file, "%s", p->filename); } @@ -565,7 +519,6 @@ int make_ext4fs_internal(int fd, const char *_directory, sparse_file_destroy(ext4_sparse_file); ext4_sparse_file = NULL; - free(mountpoint); free(directory); return 0;