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Remove some unused fields from the private archive_read structure

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(left over from when the unified read/write structure was copied
to form separate read and write structures) and eliminate the
pointless initialization of a couple of the unused fields.
This commit is contained in:
Tim Kientzle 2008-03-12 04:58:32 +00:00
parent c2247d3995
commit 0b4793efb7
2 changed files with 0 additions and 52 deletions
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15
lib/libarchive/archive_read.c
View File

@ -64,25 +64,12 @@ struct archive *
archive_read_new(void)
{
struct archive_read *a;
unsigned char *nulls;
a = (struct archive_read *)malloc(sizeof(*a));
if (a == NULL)
return (NULL);
memset(a, 0, sizeof(*a));
a->archive.magic = ARCHIVE_READ_MAGIC;
a->bytes_per_block = ARCHIVE_DEFAULT_BYTES_PER_BLOCK;
a->null_length = 1024;
nulls = (unsigned char *)malloc(a->null_length);
if (nulls == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate archive object 'nulls' element");
free(a);
return (NULL);
}
memset(nulls, 0, a->null_length);
a->nulls = nulls;
a->archive.state = ARCHIVE_STATE_NEW;
a->entry = archive_entry_new();
@ -660,8 +647,6 @@ archive_read_finish(struct archive *_a)
(a->formats[i].cleanup)(a);
}
/* Casting a pointer to int allows us to remove 'const.' */
free((void *)(uintptr_t)(const void *)a->nulls);
archive_string_free(&a->archive.error_string);
if (a->entry)
archive_entry_free(a->entry);

37
lib/libarchive/archive_read_private.h
View File

@ -41,10 +41,6 @@ struct archive_read {
dev_t skip_file_dev;
ino_t skip_file_ino;
/* Utility: Pointer to a block of nulls. */
const unsigned char *nulls;
size_t null_length;
/*
* Used by archive_read_data() to track blocks and copy
* data to client buffers, filling gaps with zero bytes.
@ -58,30 +54,9 @@ struct archive_read {
archive_open_callback *client_opener;
archive_read_callback *client_reader;
archive_skip_callback *client_skipper;
archive_write_callback *client_writer;
archive_close_callback *client_closer;
void *client_data;
/*
* Blocking information. Note that bytes_in_last_block is
* misleadingly named; I should find a better name. These
* control the final output from all compressors, including
* compression_none.
*/
int bytes_per_block;
int bytes_in_last_block;
/*
* These control whether data within a gzip/bzip2 compressed
* stream gets padded or not. If pad_uncompressed is set,
* the data will be padded to a full block before being
* compressed. The pad_uncompressed_byte determines the value
* that will be used for padding. Note that these have no
* effect on compression "none."
*/
int pad_uncompressed;
int pad_uncompressed_byte; /* TODO: Support this. */
/* File offset of beginning of most recently-read header. */
off_t header_position;
@ -141,18 +116,6 @@ struct archive_read {
} formats[8];
struct archive_format_descriptor *format; /* Active format. */
/*
* Pointers to format-specific functions for writing. They're
* initialized by archive_write_set_format_XXX() calls.
*/
int (*format_init)(struct archive *); /* Only used on write. */
int (*format_finish)(struct archive *);
int (*format_finish_entry)(struct archive *);
int (*format_write_header)(struct archive *,
struct archive_entry *);
ssize_t (*format_write_data)(struct archive *,
const void *buff, size_t);
/*
* Various information needed by archive_extract.
*/