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rpm2cpio: handle unseekable input correctly

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function                                             old     new   delta
data_skip                                             14      20      +6
seek_by_jump                                          67      72      +5
data_align                                            81      84      +3
seek_by_read                                          20      19      -1
skip_header                                           99      94      -5
rpm2cpio_main                                        183     177      -6
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(add/remove: 0/0 grow/shrink: 3/3 up/down: 14/-12)              Total: 2 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-08-28 21:09:51 +02:00
parent 7f2149489f
commit 0a130d510d
6 changed files with 22 additions and 19 deletions
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8
include/unarchive.h
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@ -60,8 +60,8 @@ typedef struct archive_handle_t {
/* Count the number of bytes processed */
off_t offset;
/* Function that skips data: read_by_char or read_by_skip */
void FAST_FUNC (*seek)(const struct archive_handle_t *archive_handle, const unsigned amount);
/* Function that skips data */
void FAST_FUNC (*seek)(int fd, off_t amount);
/* Temporary storage */
char *buffer;
@ -107,8 +107,8 @@ extern char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
extern char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC;
extern char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC;
extern void seek_by_jump(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
extern void seek_by_read(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
extern void seek_by_jump(int fd, off_t amount) FAST_FUNC;
extern void seek_by_read(int fd, off_t amount) FAST_FUNC;
extern void data_align(archive_handle_t *archive_handle, unsigned boundary) FAST_FUNC;
extern const llist_t *find_list_entry(const llist_t *list, const char *filename) FAST_FUNC;