diff options
Diffstat (limited to 'storage/archive/azio.c')
| -rw-r--r-- | storage/archive/azio.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/storage/archive/azio.c b/storage/archive/azio.c index 4519d15cefc..c1efe19e91f 100644 --- a/storage/archive/azio.c +++ b/storage/archive/azio.c @@ -77,6 +77,7 @@ int az_open (azio_stream *s, const char *path, int Flags, File fd) s->version = (unsigned char)az_magic[1]; /* this needs to be a define to version */ s->minor_version= (unsigned char) az_magic[2]; /* minor version */ s->dirty= AZ_STATE_CLEAN; + s->start= 0; /* We do our own version of append by nature. @@ -186,6 +187,9 @@ int write_header(azio_stream *s) char buffer[AZHEADER_SIZE + AZMETA_BUFFER_SIZE]; char *ptr= buffer; + if (s->version == 1) + return 0; + s->block_size= AZ_BUFSIZE_WRITE; s->version = (unsigned char)az_magic[1]; s->minor_version = (unsigned char)az_magic[2]; @@ -308,9 +312,9 @@ void check_header(azio_stream *s) /* Peek ahead to check the gzip magic header */ if ( s->stream.next_in[0] == gz_magic[0] && s->stream.next_in[1] == gz_magic[1]) { + read_header(s, s->stream.next_in); s->stream.avail_in -= 2; s->stream.next_in += 2; - s->version= (unsigned char)2; /* Check the rest of the gzip header */ method = get_byte(s); @@ -339,7 +343,8 @@ void check_header(azio_stream *s) for (len = 0; len < 2; len++) (void)get_byte(s); } s->z_err = s->z_eof ? Z_DATA_ERROR : Z_OK; - s->start = my_tell(s->file, MYF(0)) - s->stream.avail_in; + if (!s->start) + s->start= my_tell(s->file, MYF(0)) - s->stream.avail_in; } else if ( s->stream.next_in[0] == az_magic[0] && s->stream.next_in[1] == az_magic[1]) { @@ -401,9 +406,13 @@ void read_header(azio_stream *s, unsigned char *buffer) else if (buffer[0] == gz_magic[0] && buffer[1] == gz_magic[1]) { /* - Set version number to previous version (2). + Set version number to previous version (1). */ - s->version= (unsigned char) 2; + s->version= 1; + s->auto_increment= 0; + s->frm_length= 0; + s->longest_row= 0; + s->shortest_row= 0; } else { /* Unknown version. |