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Fix endian probelm on PPC, i had different types for an extern variable.

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This commit is contained in:
Glenn L McGrath 2003-02-09 04:46:34 +00:00
parent a88cb5025c
commit cc616928d5
3 changed files with 80 additions and 27 deletions
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1
archival/libunarchive/Makefile.in
View File

@ -55,7 +55,6 @@ LIBUNARCHIVE-y:= \
archive_copy_file.o \
\
check_header_gzip.o \
check_trailer_gzip.o \
data_align.o \
decompress_bunzip2.o \
find_list_entry.o \

53
archival/libunarchive/decompress_unzip.c
View File

@ -83,29 +83,31 @@ typedef struct huft_s {
} huft_t;
static int gunzip_src_fd;
unsigned int gunzip_bytes_out; /* number of output bytes */
static unsigned int gunzip_bytes_out; /* number of output bytes */
static unsigned int gunzip_outbuf_count; /* bytes in output buffer */
/* This is used to sanify any unused bits from the bitbuffer
* so they arent skipped when reading trailers (trailing headers) */
//unsigned char gunzip_in_buffer_count;
//unsigned char *gunzip_in_buffer;
/* gunzip_window size--must be a power of two, and
* at least 32K for zip's deflate method */
static const int gunzip_wsize = 0x8000;
static unsigned char *gunzip_window;
static unsigned int *gunzip_crc_table;
unsigned int gunzip_crc;
static unsigned int gunzip_crc;
/* If BMAX needs to be larger than 16, then h and x[] should be ulg. */
#define BMAX 16 /* maximum bit length of any code (16 for explode) */
#define N_MAX 288 /* maximum number of codes in any set */
/* bitbuffer */
static unsigned int gunzip_bb; /* bit buffer */
static unsigned char gunzip_bk; /* bits in bit buffer */
/* These control the size of the bytebuffer */
#define BYTEBUFFER_MAX 0x8000
static unsigned char *bytebuffer = NULL;
static unsigned int bytebuffer_offset = 0;
static unsigned int bytebuffer_size = 0;
static const unsigned short mask_bits[] = {
0x0000, 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
@ -142,11 +144,6 @@ static const unsigned char border[] = {
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
};
#define BYTEBUFFER_MAX 0x8000
unsigned char *bytebuffer = NULL;
unsigned int bytebuffer_offset = 0;
unsigned int bytebuffer_size = 0;
static void fill_bytebuffer(void)
{
if (bytebuffer_offset >= bytebuffer_size) {
@ -1011,3 +1008,33 @@ extern int inflate(int in, int out)
GZ_gzReadClose();
return 0;
}
extern void check_trailer_gzip(int src_fd)
{
unsigned int stored_crc = 0;
unsigned char count;
/* top up the input buffer with the rest of the trailer */
count = bytebuffer_size - bytebuffer_offset;
if (count < 8) {
xread_all(src_fd, &bytebuffer[bytebuffer_size], 8 - count);
bytebuffer_size += 8 - count;
}
for (count = 0; count != 4; count++) {
stored_crc |= (bytebuffer[bytebuffer_offset] << (count * 8));
bytebuffer_offset++;
}
/* Validate decompression - crc */
if (stored_crc != (gunzip_crc ^ 0xffffffffL)) {
error_msg_and_die("crc error");
}
/* Validate decompression - size */
if (gunzip_bytes_out !=
(bytebuffer[bytebuffer_offset] | (bytebuffer[bytebuffer_offset+1] << 8) |
(bytebuffer[bytebuffer_offset+2] << 16) | (bytebuffer[bytebuffer_offset+3] << 24))) {
error_msg_and_die("Incorrect length, but crc is correct");
}
}

53
archival/libunarchive/unzip.c
View File

@ -83,29 +83,31 @@ typedef struct huft_s {
} huft_t;
static int gunzip_src_fd;
unsigned int gunzip_bytes_out; /* number of output bytes */
static unsigned int gunzip_bytes_out; /* number of output bytes */
static unsigned int gunzip_outbuf_count; /* bytes in output buffer */
/* This is used to sanify any unused bits from the bitbuffer
* so they arent skipped when reading trailers (trailing headers) */
//unsigned char gunzip_in_buffer_count;
//unsigned char *gunzip_in_buffer;
/* gunzip_window size--must be a power of two, and
* at least 32K for zip's deflate method */
static const int gunzip_wsize = 0x8000;
static unsigned char *gunzip_window;
static unsigned int *gunzip_crc_table;
unsigned int gunzip_crc;
static unsigned int gunzip_crc;
/* If BMAX needs to be larger than 16, then h and x[] should be ulg. */
#define BMAX 16 /* maximum bit length of any code (16 for explode) */
#define N_MAX 288 /* maximum number of codes in any set */
/* bitbuffer */
static unsigned int gunzip_bb; /* bit buffer */
static unsigned char gunzip_bk; /* bits in bit buffer */
/* These control the size of the bytebuffer */
#define BYTEBUFFER_MAX 0x8000
static unsigned char *bytebuffer = NULL;
static unsigned int bytebuffer_offset = 0;
static unsigned int bytebuffer_size = 0;
static const unsigned short mask_bits[] = {
0x0000, 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
@ -142,11 +144,6 @@ static const unsigned char border[] = {
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
};
#define BYTEBUFFER_MAX 0x8000
unsigned char *bytebuffer = NULL;
unsigned int bytebuffer_offset = 0;
unsigned int bytebuffer_size = 0;
static void fill_bytebuffer(void)
{
if (bytebuffer_offset >= bytebuffer_size) {
@ -1011,3 +1008,33 @@ extern int inflate(int in, int out)
GZ_gzReadClose();
return 0;
}
extern void check_trailer_gzip(int src_fd)
{
unsigned int stored_crc = 0;
unsigned char count;
/* top up the input buffer with the rest of the trailer */
count = bytebuffer_size - bytebuffer_offset;
if (count < 8) {
xread_all(src_fd, &bytebuffer[bytebuffer_size], 8 - count);
bytebuffer_size += 8 - count;
}
for (count = 0; count != 4; count++) {
stored_crc |= (bytebuffer[bytebuffer_offset] << (count * 8));
bytebuffer_offset++;
}
/* Validate decompression - crc */
if (stored_crc != (gunzip_crc ^ 0xffffffffL)) {
error_msg_and_die("crc error");
}
/* Validate decompression - size */
if (gunzip_bytes_out !=
(bytebuffer[bytebuffer_offset] | (bytebuffer[bytebuffer_offset+1] << 8) |
(bytebuffer[bytebuffer_offset+2] << 16) | (bytebuffer[bytebuffer_offset+3] << 24))) {
error_msg_and_die("Incorrect length, but crc is correct");
}
}