diff options
Diffstat (limited to 'contrib/libarchive/libarchive/archive_read_disk_posix.c')
| -rw-r--r-- | contrib/libarchive/libarchive/archive_read_disk_posix.c | 71 |
1 files changed, 48 insertions, 23 deletions
diff --git a/contrib/libarchive/libarchive/archive_read_disk_posix.c b/contrib/libarchive/libarchive/archive_read_disk_posix.c index 3ee6269ff3ce..76a4fa44de72 100644 --- a/contrib/libarchive/libarchive/archive_read_disk_posix.c +++ b/contrib/libarchive/libarchive/archive_read_disk_posix.c @@ -29,14 +29,10 @@ #if !defined(_WIN32) || defined(__CYGWIN__) #include "archive_platform.h" -__FBSDID("$FreeBSD$"); #ifdef HAVE_SYS_PARAM_H #include <sys/param.h> #endif -#ifdef HAVE_SYS_MOUNT_H -#include <sys/mount.h> -#endif #ifdef HAVE_SYS_STAT_H #include <sys/stat.h> #endif @@ -54,6 +50,8 @@ __FBSDID("$FreeBSD$"); #endif #ifdef HAVE_LINUX_FS_H #include <linux/fs.h> +#elif HAVE_SYS_MOUNT_H +#include <sys/mount.h> #endif /* * Some Linux distributions have both linux/ext2_fs.h and ext2fs/ext2_fs.h. @@ -109,6 +107,11 @@ __FBSDID("$FreeBSD$"); #define O_CLOEXEC 0 #endif +#if defined(__hpux) && !defined(HAVE_DIRFD) +#define dirfd(x) ((x)->__dd_fd) +#define HAVE_DIRFD +#endif + /*- * This is a new directory-walking system that addresses a number * of problems I've had with fts(3). In particular, it has no @@ -369,22 +372,14 @@ static int open_on_current_dir(struct tree *, const char *, int); static int tree_dup(int); -static struct archive_vtable * -archive_read_disk_vtable(void) -{ - static struct archive_vtable av; - static int inited = 0; - - if (!inited) { - av.archive_free = _archive_read_free; - av.archive_close = _archive_read_close; - av.archive_read_data_block = _archive_read_data_block; - av.archive_read_next_header = _archive_read_next_header; - av.archive_read_next_header2 = _archive_read_next_header2; - inited = 1; - } - return (&av); -} +static const struct archive_vtable +archive_read_disk_vtable = { + .archive_free = _archive_read_free, + .archive_close = _archive_read_close, + .archive_read_data_block = _archive_read_data_block, + .archive_read_next_header = _archive_read_next_header, + .archive_read_next_header2 = _archive_read_next_header2, +}; const char * archive_read_disk_gname(struct archive *_a, la_int64_t gid) @@ -461,7 +456,7 @@ archive_read_disk_new(void) return (NULL); a->archive.magic = ARCHIVE_READ_DISK_MAGIC; a->archive.state = ARCHIVE_STATE_NEW; - a->archive.vtable = archive_read_disk_vtable(); + a->archive.vtable = &archive_read_disk_vtable; a->entry = archive_entry_new2(&a->archive); a->lookup_uname = trivial_lookup_uname; a->lookup_gname = trivial_lookup_gname; @@ -1290,7 +1285,7 @@ archive_read_disk_descend(struct archive *_a) ARCHIVE_STATE_HEADER | ARCHIVE_STATE_DATA, "archive_read_disk_descend"); - if (t->visit_type != TREE_REGULAR || !t->descend) + if (!archive_read_disk_can_descend(_a)) return (ARCHIVE_OK); /* @@ -1674,6 +1669,11 @@ setup_current_filesystem(struct archive_read_disk *a) else t->current_filesystem->name_max = nm; #endif + if (t->current_filesystem->name_max == 0) { + archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, + "Cannot determine name_max"); + return (ARCHIVE_FAILED); + } #endif /* USE_READDIR_R */ return (ARCHIVE_OK); } @@ -1864,8 +1864,17 @@ setup_current_filesystem(struct archive_read_disk *a) #if defined(USE_READDIR_R) /* Set maximum filename length. */ +#if defined(HAVE_STATVFS) + t->current_filesystem->name_max = svfs.f_namemax; +#else t->current_filesystem->name_max = sfs.f_namelen; #endif + if (t->current_filesystem->name_max == 0) { + archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, + "Cannot determine name_max"); + return (ARCHIVE_FAILED); + } +#endif return (ARCHIVE_OK); } @@ -1946,6 +1955,11 @@ setup_current_filesystem(struct archive_read_disk *a) #if defined(USE_READDIR_R) /* Set maximum filename length. */ t->current_filesystem->name_max = svfs.f_namemax; + if (t->current_filesystem->name_max == 0) { + archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, + "Cannot determine name_max"); + return (ARCHIVE_FAILED); + } #endif return (ARCHIVE_OK); } @@ -2000,6 +2014,11 @@ setup_current_filesystem(struct archive_read_disk *a) else t->current_filesystem->name_max = nm; # endif /* _PC_NAME_MAX */ + if (t->current_filesystem->name_max == 0) { + archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, + "Cannot determine name_max"); + return (ARCHIVE_FAILED); + } #endif /* USE_READDIR_R */ return (ARCHIVE_OK); } @@ -2106,6 +2125,8 @@ tree_push(struct tree *t, const char *path, int filesystem_id, struct tree_entry *te; te = calloc(1, sizeof(*te)); + if (te == NULL) + __archive_errx(1, "Out of memory"); te->next = t->stack; te->parent = t->current; if (te->parent) @@ -2436,7 +2457,7 @@ tree_dir_next_posix(struct tree *t) #else /* HAVE_FDOPENDIR */ if (tree_enter_working_dir(t) == 0) { t->d = opendir("."); -#if HAVE_DIRFD || defined(dirfd) +#ifdef HAVE_DIRFD __archive_ensure_cloexec_flag(dirfd(t->d)); #endif } @@ -2545,7 +2566,11 @@ tree_current_lstat(struct tree *t) #else if (tree_enter_working_dir(t) != 0) return NULL; +#ifdef HAVE_LSTAT if (lstat(tree_current_access_path(t), &t->lst) != 0) +#else + if (la_stat(tree_current_access_path(t), &t->lst) != 0) +#endif #endif return NULL; t->flags |= hasLstat; |