[PATCH] decompress: change length arguments to long
Sascha Hauer
s.hauer at pengutronix.de
Tue Feb 6 03:59:03 PST 2024
On Tue, Feb 06, 2024 at 12:16:28PM +0100, Marco Felsch wrote:
> On 24-02-06, Sascha Hauer wrote:
> > In order to support decompression of files > 2GiB Linux has changed
> > the prototypes of decompression functions from
> >
> > int uncompress(unsigned char *inbuf, int len,
> > int(*fill)(void*, unsigned int),
> > int(*flush)(void*, unsigned int),
> > unsigned char *output,
> > int *pos,
> > void(*error_fn)(char *x));
> >
> > to
> >
> > int uncompress(unsigned char *inbuf, long len,
> > long(*fill)(void*, unsigned long),
> > long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > long *pos,
> > void(*error_fn)(char *x));
> >
> > Do likewise in barebox for easier code sharing with Linux.
>
> Thanks a lot.
>
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > ---
> > commands/uimage.c | 2 +-
> > common/uimage.c | 24 ++++++++++++------------
> > include/bunzip2.h | 8 ++++----
> > include/gunzip.h | 8 ++++----
> > include/image.h | 2 +-
> > include/linux/decompress/unlz4.h | 8 ++++----
> > include/linux/xz.h | 8 ++++----
> > include/lzo.h | 8 ++++----
> > include/uncompress.h | 8 ++++----
> > lib/decompress_bunzip2.c | 16 ++++++++--------
> > lib/decompress_inflate.c | 10 +++++-----
> > lib/decompress_unlz4.c | 16 ++++++++--------
> > lib/decompress_unlzo.c | 8 ++++----
> > lib/decompress_unxz.c | 8 ++++----
> > lib/uncompress.c | 28 ++++++++++++++--------------
>
> I do miss the zstd here.
This patch is supposed to go before the zstd patch so that we can add
zstd support with the correct prototypes. I have a patch for that
already, should have sent it.
Sascha
>
> Regards,
> Marco
>
> > 15 files changed, 81 insertions(+), 81 deletions(-)
> >
> > diff --git a/commands/uimage.c b/commands/uimage.c
> > index 588519e3f3..72b827b5b2 100644
> > --- a/commands/uimage.c
> > +++ b/commands/uimage.c
> > @@ -13,7 +13,7 @@
> >
> > static int uimage_fd;
> >
> > -static int uimage_flush(void *buf, unsigned int len)
> > +static long uimage_flush(void *buf, unsigned long len)
> > {
> > return write_full(uimage_fd, buf, len);
> > }
> > diff --git a/common/uimage.c b/common/uimage.c
> > index 3c9a79d910..cc9e5e510a 100644
> > --- a/common/uimage.c
> > +++ b/common/uimage.c
> > @@ -218,23 +218,23 @@ EXPORT_SYMBOL(uimage_close);
> >
> > static int uimage_fd;
> >
> > -static int uimage_fill(void *buf, unsigned int len)
> > +static long uimage_fill(void *buf, unsigned long len)
> > {
> > return read_full(uimage_fd, buf, len);
> > }
> >
> > -static int uncompress_copy(unsigned char *inbuf_unused, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +static int uncompress_copy(unsigned char *inbuf_unused, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *outbuf_unused,
> > - int *pos,
> > + long *pos,
> > void(*error_fn)(char *x))
> > {
> > int ret;
> > void *buf = xmalloc(PAGE_SIZE);
> >
> > while (len) {
> > - int now = min(len, PAGE_SIZE);
> > + int now = min_t(long, len, PAGE_SIZE);
> > ret = fill(buf, now);
> > if (ret < 0)
> > goto err;
> > @@ -295,17 +295,17 @@ EXPORT_SYMBOL(uimage_verify);
> > * Load a uimage, flushing output to flush function
> > */
> > int uimage_load(struct uimage_handle *handle, unsigned int image_no,
> > - int(*flush)(void*, unsigned int))
> > + long(*flush)(void*, unsigned long))
> > {
> > image_header_t *hdr = &handle->header;
> > struct uimage_handle_data *iha;
> > int ret;
> > loff_t off;
> > - int (*uncompress_fn)(unsigned char *inbuf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > + int (*uncompress_fn)(unsigned char *inbuf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *pos,
> > + long *pos,
> > void(*error)(char *x));
> >
> > if (image_no >= handle->nb_data_entries)
> > @@ -336,7 +336,7 @@ static void *uimage_buf;
> > static size_t uimage_size;
> > static struct resource *uimage_resource;
> >
> > -static int uimage_sdram_flush(void *buf, unsigned int len)
> > +static long uimage_sdram_flush(void *buf, unsigned long len)
> > {
> > if (uimage_size + len > resource_size(uimage_resource)) {
> > resource_size_t start = uimage_resource->start;
> > diff --git a/include/bunzip2.h b/include/bunzip2.h
> > index 55404ff846..d9edaf3a01 100644
> > --- a/include/bunzip2.h
> > +++ b/include/bunzip2.h
> > @@ -2,10 +2,10 @@
> > #ifndef DECOMPRESS_BUNZIP2_H
> > #define DECOMPRESS_BUNZIP2_H
> >
> > -int bunzip2(unsigned char *inbuf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +int bunzip2(unsigned char *inbuf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *pos,
> > + long *pos,
> > void(*error)(char *x));
> > #endif
> > diff --git a/include/gunzip.h b/include/gunzip.h
> > index 0a959d5eb7..d3ec31166a 100644
> > --- a/include/gunzip.h
> > +++ b/include/gunzip.h
> > @@ -2,10 +2,10 @@
> > #ifndef GUNZIP_H
> > #define GUNZIP_H
> >
> > -int gunzip(unsigned char *inbuf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +int gunzip(unsigned char *inbuf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *pos,
> > + long *pos,
> > void(*error_fn)(char *x));
> > #endif
> > diff --git a/include/image.h b/include/image.h
> > index b593ae30ef..b4c69d9a02 100644
> > --- a/include/image.h
> > +++ b/include/image.h
> > @@ -300,7 +300,7 @@ struct uimage_handle *uimage_open(const char *filename);
> > void uimage_close(struct uimage_handle *handle);
> > int uimage_verify(struct uimage_handle *handle);
> > int uimage_load(struct uimage_handle *handle, unsigned int image_no,
> > - int(*flush)(void*, unsigned int));
> > + long(*flush)(void*, unsigned long));
> > void uimage_print_contents(struct uimage_handle *handle);
> > ssize_t uimage_get_size(struct uimage_handle *handle, unsigned int image_no);
> > struct resource *uimage_load_to_sdram(struct uimage_handle *handle,
> > diff --git a/include/linux/decompress/unlz4.h b/include/linux/decompress/unlz4.h
> > index 0ad189d2d9..fb6d499d1b 100644
> > --- a/include/linux/decompress/unlz4.h
> > +++ b/include/linux/decompress/unlz4.h
> > @@ -3,10 +3,10 @@
> > #ifndef DECOMPRESS_UNLZ4_H
> > #define DECOMPRESS_UNLZ4_H
> >
> > -int decompress_unlz4(unsigned char *inbuf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +int decompress_unlz4(unsigned char *inbuf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *pos,
> > + long *pos,
> > void(*error)(char *x));
> > #endif
> > diff --git a/include/linux/xz.h b/include/linux/xz.h
> > index 77e80ce4b1..6480877f86 100644
> > --- a/include/linux/xz.h
> > +++ b/include/linux/xz.h
> > @@ -264,10 +264,10 @@ XZ_EXTERN void xz_crc32_init(void);
> > XZ_EXTERN uint32_t xz_crc32(const uint8_t *buf, size_t size, uint32_t crc);
> > #endif
> >
> > -STATIC int decompress_unxz(unsigned char *in, int in_size,
> > - int (*fill)(void *dest, unsigned int size),
> > - int (*flush)(void *src, unsigned int size),
> > - unsigned char *out, int *in_used,
> > +STATIC int decompress_unxz(unsigned char *in, long in_size,
> > + long (*fill)(void *dest, unsigned long size),
> > + long (*flush)(void *src, unsigned long size),
> > + unsigned char *out, long *in_used,
> > void (*error)(char *x));
> >
> > #endif
> > diff --git a/include/lzo.h b/include/lzo.h
> > index f46f38b0ed..72bac97cc7 100644
> > --- a/include/lzo.h
> > +++ b/include/lzo.h
> > @@ -47,10 +47,10 @@ STATIC int lzo1x_decompress_safe(const unsigned char *src, size_t src_len,
> > #define LZO_E_NOT_YET_IMPLEMENTED (-9)
> > #define LZO_E_INVALID_ARGUMENT (-10)
> >
> > -STATIC int decompress_unlzo(u8 *input, int in_len,
> > - int (*fill) (void *, unsigned int),
> > - int (*flush) (void *, unsigned int),
> > - u8 *output, int *posp,
> > +STATIC int decompress_unlzo(u8 *input, long in_len,
> > + long (*fill) (void *, unsigned long),
> > + long (*flush) (void *, unsigned long),
> > + u8 *output, long *posp,
> > void (*error) (char *x));
> >
> > #endif
> > diff --git a/include/uncompress.h b/include/uncompress.h
> > index 72ba1dfda6..69ba18000e 100644
> > --- a/include/uncompress.h
> > +++ b/include/uncompress.h
> > @@ -2,11 +2,11 @@
> > #ifndef __UNCOMPRESS_H
> > #define __UNCOMPRESS_H
> >
> > -int uncompress(unsigned char *inbuf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +int uncompress(unsigned char *inbuf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *pos,
> > + long *pos,
> > void(*error_fn)(char *x));
> >
> > int uncompress_fd_to_fd(int infd, int outfd,
> > diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c
> > index ee2862bebb..2daeb9b38c 100644
> > --- a/lib/decompress_bunzip2.c
> > +++ b/lib/decompress_bunzip2.c
> > @@ -89,7 +89,7 @@ struct bunzip_data {
> > /* State for interrupting output loop */
> > int writeCopies, writePos, writeRunCountdown, writeCount, writeCurrent;
> > /* I/O tracking data (file handles, buffers, positions, etc.) */
> > - int (*fill)(void*, unsigned int);
> > + long (*fill)(void*, unsigned long);
> > int inbufCount, inbufPos /*, outbufPos*/;
> > unsigned char *inbuf /*,*outbuf*/;
> > unsigned int inbufBitCount, inbufBits;
> > @@ -614,7 +614,7 @@ static int read_bunzip(struct bunzip_data *bd, char *outbuf, int len)
> > goto decode_next_byte;
> > }
> >
> > -static int nofill(void *buf, unsigned int len)
> > +static long nofill(void *buf, unsigned long len)
> > {
> > return -1;
> > }
> > @@ -622,8 +622,8 @@ static int nofill(void *buf, unsigned int len)
> > /* Allocate the structure, read file header. If in_fd ==-1, inbuf must contain
> > a complete bunzip file (len bytes long). If in_fd!=-1, inbuf and len are
> > ignored, and data is read from file handle into temporary buffer. */
> > -static int start_bunzip(struct bunzip_data **bdp, void *inbuf, int len,
> > - int (*fill)(void*, unsigned int))
> > +static int start_bunzip(struct bunzip_data **bdp, void *inbuf, long len,
> > + long (*fill)(void*, unsigned long))
> > {
> > struct bunzip_data *bd;
> > unsigned int i, j, c;
> > @@ -672,11 +672,11 @@ static int start_bunzip(struct bunzip_data **bdp, void *inbuf, int len,
> >
> > /* Example usage: decompress src_fd to dst_fd. (Stops at end of bzip2 data,
> > not end of file.) */
> > -int bunzip2(unsigned char *buf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +int bunzip2(unsigned char *buf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *outbuf,
> > - int *pos,
> > + long *pos,
> > void(*error)(char *x))
> > {
> > struct bunzip_data *bd;
> > diff --git a/lib/decompress_inflate.c b/lib/decompress_inflate.c
> > index 47bd3db131..507190938c 100644
> > --- a/lib/decompress_inflate.c
> > +++ b/lib/decompress_inflate.c
> > @@ -32,17 +32,17 @@
> >
> > #define GZIP_IOBUF_SIZE (16*1024)
> >
> > -static int nofill(void *buffer, unsigned int len)
> > +static long nofill(void *buffer, unsigned long len)
> > {
> > return -1;
> > }
> >
> > /* Included from initramfs et al code */
> > -int gunzip(unsigned char *buf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +int gunzip(unsigned char *buf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *out_buf,
> > - int *pos,
> > + long *pos,
> > void(*error)(char *x)) {
> > u8 *zbuf;
> > struct z_stream_s *strm;
> > diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c
> > index 2c04eac71c..a18e6591e9 100644
> > --- a/lib/decompress_unlz4.c
> > +++ b/lib/decompress_unlz4.c
> > @@ -38,10 +38,10 @@
> > #define LZ4_DEFAULT_UNCOMPRESSED_CHUNK_SIZE (8 << 20)
> > #define ARCHIVE_MAGICNUMBER 0x184C2102
> >
> > -static inline int unlz4(u8 *input, int in_len,
> > - int (*fill) (void *, unsigned int),
> > - int (*flush) (void *, unsigned int),
> > - u8 *output, int *posp,
> > +static inline int unlz4(u8 *input, long in_len,
> > + long (*fill) (void *, unsigned long),
> > + long (*flush) (void *, unsigned long),
> > + u8 *output, long *posp,
> > void (*error) (char *x))
> > {
> > int ret = -1;
> > @@ -180,11 +180,11 @@ static inline int unlz4(u8 *input, int in_len,
> > return ret;
> > }
> >
> > -STATIC int decompress_unlz4(unsigned char *buf, int in_len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +STATIC int decompress_unlz4(unsigned char *buf, long in_len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *posp,
> > + long *posp,
> > void(*error)(char *x)
> > )
> > {
> > diff --git a/lib/decompress_unlzo.c b/lib/decompress_unlzo.c
> > index ad7f977280..18168cb948 100644
> > --- a/lib/decompress_unlzo.c
> > +++ b/lib/decompress_unlzo.c
> > @@ -109,10 +109,10 @@ static inline int parse_header(u8 *input, int *skip, int in_len)
> > return 1;
> > }
> >
> > -int decompress_unlzo(u8 *input, int in_len,
> > - int (*fill) (void *, unsigned int),
> > - int (*flush) (void *, unsigned int),
> > - u8 *output, int *posp,
> > +int decompress_unlzo(u8 *input, long in_len,
> > + long (*fill) (void *, unsigned long),
> > + long (*flush) (void *, unsigned long),
> > + u8 *output, long *posp,
> > void (*error) (char *x))
> > {
> > u8 r = 0;
> > diff --git a/lib/decompress_unxz.c b/lib/decompress_unxz.c
> > index ad6a5f20ba..7b8a9cd331 100644
> > --- a/lib/decompress_unxz.c
> > +++ b/lib/decompress_unxz.c
> > @@ -235,10 +235,10 @@ static void memzero(void *buf, size_t size)
> > * both input and output buffers are available as a single chunk, i.e. when
> > * fill() and flush() won't be used.
> > */
> > -STATIC int decompress_unxz(unsigned char *in, int in_size,
> > - int (*fill)(void *dest, unsigned int size),
> > - int (*flush)(void *src, unsigned int size),
> > - unsigned char *out, int *in_used,
> > +STATIC int decompress_unxz(unsigned char *in, long in_size,
> > + long (*fill)(void *dest, unsigned long size),
> > + long (*flush)(void *src, unsigned long size),
> > + unsigned char *out, long *in_used,
> > void (*error)(char *x))
> > {
> > struct xz_buf b;
> > diff --git a/lib/uncompress.c b/lib/uncompress.c
> > index bfe042fcf8..c23988fc02 100644
> > --- a/lib/uncompress.c
> > +++ b/lib/uncompress.c
> > @@ -27,18 +27,18 @@
> > #include <libfile.h>
> >
> > static void *uncompress_buf;
> > -static unsigned int uncompress_size;
> > +static unsigned long uncompress_size;
> >
> > void uncompress_err_stdout(char *x)
> > {
> > printf("%s\n", x);
> > }
> >
> > -static int (*uncompress_fill_fn)(void*, unsigned int);
> > +static long (*uncompress_fill_fn)(void*, unsigned long);
> >
> > -static int uncompress_fill(void *buf, unsigned int len)
> > +static long uncompress_fill(void *buf, unsigned long len)
> > {
> > - int total = 0;
> > + long total = 0;
> >
> > if (uncompress_size) {
> > int now = min(len, uncompress_size);
> > @@ -60,19 +60,19 @@ static int uncompress_fill(void *buf, unsigned int len)
> > return total;
> > }
> >
> > -int uncompress(unsigned char *inbuf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > +int uncompress(unsigned char *inbuf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *pos,
> > + long *pos,
> > void(*error_fn)(char *x))
> > {
> > enum filetype ft;
> > - int (*compfn)(unsigned char *inbuf, int len,
> > - int(*fill)(void*, unsigned int),
> > - int(*flush)(void*, unsigned int),
> > + int (*compfn)(unsigned char *inbuf, long len,
> > + long(*fill)(void*, unsigned long),
> > + long(*flush)(void*, unsigned long),
> > unsigned char *output,
> > - int *pos,
> > + long *pos,
> > void(*error)(char *x));
> > int ret;
> > char *err;
> > @@ -141,12 +141,12 @@ int uncompress(unsigned char *inbuf, int len,
> >
> > static int uncompress_infd, uncompress_outfd;
> >
> > -static int fill_fd(void *buf, unsigned int len)
> > +static long fill_fd(void *buf, unsigned long len)
> > {
> > return read_full(uncompress_infd, buf, len);
> > }
> >
> > -static int flush_fd(void *buf, unsigned int len)
> > +static long flush_fd(void *buf, unsigned long len)
> > {
> > return write(uncompress_outfd, buf, len);
> > }
> > --
> > 2.39.2
> >
> >
> >
>
--
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