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Clean up disk/zlib internal APIs

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This commit is contained in:
Aaron Culliney 2017-06-03 05:38:24 -07:00
parent 0468cea2d4
commit 033dbf71ea
3 changed files with 10 additions and 14 deletions
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6
src/disk.c
View File

@ -777,10 +777,6 @@ void disk6_init(void) {
disk6.ddrw = 0;
}
static volatile int get_errno() {
return errno;
}
const char *disk6_eject(int drive) {
#if !TESTING
@ -805,7 +801,7 @@ const char *disk6_eject(int drive) {
if (disk6.disk[drive].was_gzipped) {
// backup uncompressed data ...
char *compressed_data = drive == 0 ? &disk_a_raw[0] : &disk_b_raw[0];
uint8_t *compressed_data = drive == 0 ? &disk_a_raw[0] : &disk_b_raw[0];
// re-compress in place ...
err = zlib_deflate_buffer(/*src:*/disk6.disk[drive].raw_image_data, disk6.disk[drive].whole_len, /*dst:*/compressed_data, &compressed_size);

14
src/zlib-helpers.c
View File

@ -31,7 +31,7 @@ static const char* const _gzerr(gzFile gzf) {
}
}
static int _gzread_data(gzFile gzsource, char *buf, const int expected_bytescount) {
static int _gzread_data(gzFile gzsource, uint8_t *buf, const int expected_bytescount) {
int bytescount = 0;
int maxtries = 10;
@ -58,7 +58,7 @@ static int _gzread_data(gzFile gzsource, char *buf, const int expected_bytescoun
return bytescount;
}
static int _read_data(int fd_own, char *buf, const int expected_bytescount) {
static int _read_data(int fd_own, uint8_t *buf, const int expected_bytescount) {
int bytescount = 0;
int maxtries = 10;
@ -87,7 +87,7 @@ static int _read_data(int fd_own, char *buf, const int expected_bytescount) {
}
static int _write_data(int fd_own, char *buf, const int expected_bytescount) {
static int _write_data(int fd_own, uint8_t *buf, const int expected_bytescount) {
int bytescount = 0;
int maxtries = 10;
@ -121,7 +121,7 @@ static a2gzip_t _check_gzip_magick(int fd_own, const int expected_bytescount) {
a2gzip_t ret = A2GZT_ERR;
do {
char stkbuf[2];
uint8_t stkbuf[2];
int bytescount = _read_data(fd_own, &stkbuf[0], sizeof(stkbuf));
if (bytescount != sizeof(stkbuf)) {
ERRLOG("OOPS, could not read file magick for file descriptor");
@ -158,7 +158,7 @@ static a2gzip_t _check_gzip_magick(int fd_own, const int expected_bytescount) {
*
* Return NULL on success, or error string (possibly from zlib) on failure.
*/
const char *zlib_inflate_to_buffer(int fd, const int expected_bytescount, char *buf) {
const char *zlib_inflate_to_buffer(int fd, const int expected_bytescount, uint8_t *buf) {
gzFile gzsource = NULL;
int fd_own = -1;
@ -254,7 +254,7 @@ const char *zlib_inflate_to_buffer(int fd, const int expected_bytescount, char *
const char *zlib_inflate_inplace(int fd, const int expected_bytescount, bool *is_gzipped) {
gzFile gzsource = NULL;
int fd_own = -1;
char *buf = NULL;
uint8_t *buf = NULL;
*is_gzipped = false;
@ -374,7 +374,7 @@ const char *zlib_inflate_inplace(int fd, const int expected_bytescount, bool *is
*
* Return NULL on success, or error string (possibly from zlib) on failure.
*/
const char *zlib_deflate_buffer(const char *src, const int src_bytescount, char *dst, OUTPARM off_t *dst_size) {
const char *zlib_deflate_buffer(const uint8_t *src, const int src_bytescount, uint8_t *dst, OUTPARM off_t *dst_size) {
char *gzPath = NULL;
gzFile gzdest = NULL;
int fd_own = -1;

4
src/zlib-helpers.h
View File

@ -23,13 +23,13 @@
// Inflate/uncompress from file descriptor into previously allocated buffer of expected_bytes length. Underlying file
// can either be gzipped or not. This is meant for readonly disk images.
const char *zlib_inflate_to_buffer(int fd, const int expected_bytescount, char *buf);
const char *zlib_inflate_to_buffer(int fd, const int expected_bytescount, uint8_t *buf);
// Inflate/uncompress from file descriptor back into itself. Underlying file can either be gzipped or not. This is
// meant for read/write disk images.
const char *zlib_inflate_inplace(int fd, const int expected_bytescount, bool *is_gzipped);
// Deflate/compress from buffer to buffer. This is meant for ejecting read/write disk images.
const char *zlib_deflate_buffer(const char *src, const int src_bytescount, char *dst, OUTPARM off_t *dst_size);
const char *zlib_deflate_buffer(const uint8_t *src, const int src_bytescount, uint8_t *dst, OUTPARM off_t *dst_size);
#endif