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authorDLL125 <134442578+DLL125@users.noreply.github.com>2023-08-20 09:21:54 +0200
committerGitHub <noreply@github.com>2023-08-20 09:21:54 +0200
commit4f92ba548445e84bab61e06f89ee1e341a92f716 (patch)
treec4409ca025048e7b6f99555b22b026ec5898e06e /src/Common/zlib/gzlib.c
parent89d340271c4d584b649eb9974f15a1ee557c91a1 (diff)
downloadVeraCrypt-4f92ba548445e84bab61e06f89ee1e341a92f716.tar.gz
VeraCrypt-4f92ba548445e84bab61e06f89ee1e341a92f716.zip
Update zlib to latest (#1181)
* Update zlib to latest * Update copyright Updated copyright of zlib.
Diffstat (limited to 'src/Common/zlib/gzlib.c')
-rw-r--r--src/Common/zlib/gzlib.c101
1 files changed, 22 insertions, 79 deletions
diff --git a/src/Common/zlib/gzlib.c b/src/Common/zlib/gzlib.c
index 55da46a4..29fc4486 100644
--- a/src/Common/zlib/gzlib.c
+++ b/src/Common/zlib/gzlib.c
@@ -15,10 +15,6 @@
#endif
#endif
-/* Local functions */
-local void gz_reset OF((gz_statep));
-local gzFile gz_open OF((const void *, int, const char *));
-
#if defined UNDER_CE
/* Map the Windows error number in ERROR to a locale-dependent error message
@@ -30,9 +26,7 @@ local gzFile gz_open OF((const void *, int, const char *));
The gz_strwinerror function does not change the current setting of
GetLastError. */
-char ZLIB_INTERNAL *gz_strwinerror(error)
- DWORD error;
-{
+char ZLIB_INTERNAL *gz_strwinerror(DWORD error) {
static char buf[1024];
wchar_t *msgbuf;
@@ -72,9 +66,7 @@ char ZLIB_INTERNAL *gz_strwinerror(error)
#endif /* UNDER_CE */
/* Reset gzip file state */
-local void gz_reset(state)
- gz_statep state;
-{
+local void gz_reset(gz_statep state) {
state->x.have = 0; /* no output data available */
if (state->mode == GZ_READ) { /* for reading ... */
state->eof = 0; /* not at end of file */
@@ -90,11 +82,7 @@ local void gz_reset(state)
}
/* Open a gzip file either by name or file descriptor. */
-local gzFile gz_open(path, fd, mode)
- const void *path;
- int fd;
- const char *mode;
-{
+local gzFile gz_open(const void *path, int fd, const char *mode) {
gz_statep state;
z_size_t len;
int oflag;
@@ -269,26 +257,17 @@ local gzFile gz_open(path, fd, mode)
}
/* -- see zlib.h -- */
-gzFile ZEXPORT gzopen(path, mode)
- const char *path;
- const char *mode;
-{
+gzFile ZEXPORT gzopen(const char *path, const char *mode) {
return gz_open(path, -1, mode);
}
/* -- see zlib.h -- */
-gzFile ZEXPORT gzopen64(path, mode)
- const char *path;
- const char *mode;
-{
+gzFile ZEXPORT gzopen64(const char *path, const char *mode) {
return gz_open(path, -1, mode);
}
/* -- see zlib.h -- */
-gzFile ZEXPORT gzdopen(fd, mode)
- int fd;
- const char *mode;
-{
+gzFile ZEXPORT gzdopen(int fd, const char *mode) {
char *path; /* identifier for error messages */
gzFile gz;
@@ -306,19 +285,13 @@ gzFile ZEXPORT gzdopen(fd, mode)
/* -- see zlib.h -- */
#ifdef WIDECHAR
-gzFile ZEXPORT gzopen_w(path, mode)
- const wchar_t *path;
- const char *mode;
-{
+gzFile ZEXPORT gzopen_w(const wchar_t *path, const char *mode) {
return gz_open(path, -2, mode);
}
#endif
/* -- see zlib.h -- */
-int ZEXPORT gzbuffer(file, size)
- gzFile file;
- unsigned size;
-{
+int ZEXPORT gzbuffer(gzFile file, unsigned size) {
gz_statep state;
/* get internal structure and check integrity */
@@ -335,16 +308,14 @@ int ZEXPORT gzbuffer(file, size)
/* check and set requested size */
if ((size << 1) < size)
return -1; /* need to be able to double it */
- if (size < 2)
- size = 2; /* need two bytes to check magic header */
+ if (size < 8)
+ size = 8; /* needed to behave well with flushing */
state->want = size;
return 0;
}
/* -- see zlib.h -- */
-int ZEXPORT gzrewind(file)
- gzFile file;
-{
+int ZEXPORT gzrewind(gzFile file) {
gz_statep state;
/* get internal structure */
@@ -365,11 +336,7 @@ int ZEXPORT gzrewind(file)
}
/* -- see zlib.h -- */
-z_off64_t ZEXPORT gzseek64(file, offset, whence)
- gzFile file;
- z_off64_t offset;
- int whence;
-{
+z_off64_t ZEXPORT gzseek64(gzFile file, z_off64_t offset, int whence) {
unsigned n;
z_off64_t ret;
gz_statep state;
@@ -442,11 +409,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
}
/* -- see zlib.h -- */
-z_off_t ZEXPORT gzseek(file, offset, whence)
- gzFile file;
- z_off_t offset;
- int whence;
-{
+z_off_t ZEXPORT gzseek(gzFile file, z_off_t offset, int whence) {
z_off64_t ret;
ret = gzseek64(file, (z_off64_t)offset, whence);
@@ -454,9 +417,7 @@ z_off_t ZEXPORT gzseek(file, offset, whence)
}
/* -- see zlib.h -- */
-z_off64_t ZEXPORT gztell64(file)
- gzFile file;
-{
+z_off64_t ZEXPORT gztell64(gzFile file) {
gz_statep state;
/* get internal structure and check integrity */
@@ -471,9 +432,7 @@ z_off64_t ZEXPORT gztell64(file)
}
/* -- see zlib.h -- */
-z_off_t ZEXPORT gztell(file)
- gzFile file;
-{
+z_off_t ZEXPORT gztell(gzFile file) {
z_off64_t ret;
ret = gztell64(file);
@@ -481,9 +440,7 @@ z_off_t ZEXPORT gztell(file)
}
/* -- see zlib.h -- */
-z_off64_t ZEXPORT gzoffset64(file)
- gzFile file;
-{
+z_off64_t ZEXPORT gzoffset64(gzFile file) {
z_off64_t offset;
gz_statep state;
@@ -504,9 +461,7 @@ z_off64_t ZEXPORT gzoffset64(file)
}
/* -- see zlib.h -- */
-z_off_t ZEXPORT gzoffset(file)
- gzFile file;
-{
+z_off_t ZEXPORT gzoffset(gzFile file) {
z_off64_t ret;
ret = gzoffset64(file);
@@ -514,9 +469,7 @@ z_off_t ZEXPORT gzoffset(file)
}
/* -- see zlib.h -- */
-int ZEXPORT gzeof(file)
- gzFile file;
-{
+int ZEXPORT gzeof(gzFile file) {
gz_statep state;
/* get internal structure and check integrity */
@@ -531,10 +484,7 @@ int ZEXPORT gzeof(file)
}
/* -- see zlib.h -- */
-const char * ZEXPORT gzerror(file, errnum)
- gzFile file;
- int *errnum;
-{
+const char * ZEXPORT gzerror(gzFile file, int *errnum) {
gz_statep state;
/* get internal structure and check integrity */
@@ -552,9 +502,7 @@ const char * ZEXPORT gzerror(file, errnum)
}
/* -- see zlib.h -- */
-void ZEXPORT gzclearerr(file)
- gzFile file;
-{
+void ZEXPORT gzclearerr(gzFile file) {
gz_statep state;
/* get internal structure and check integrity */
@@ -578,11 +526,7 @@ void ZEXPORT gzclearerr(file)
memory). Simply save the error message as a static string. If there is an
allocation failure constructing the error message, then convert the error to
out of memory. */
-void ZLIB_INTERNAL gz_error(state, err, msg)
- gz_statep state;
- int err;
- const char *msg;
-{
+void ZLIB_INTERNAL gz_error(gz_statep state, int err, const char *msg) {
/* free previously allocated message and clear */
if (state->msg != NULL) {
if (state->err != Z_MEM_ERROR)
@@ -624,8 +568,7 @@ void ZLIB_INTERNAL gz_error(state, err, msg)
available) -- we need to do this to cover cases where 2's complement not
used, since C standard permits 1's complement and sign-bit representations,
otherwise we could just use ((unsigned)-1) >> 1 */
-unsigned ZLIB_INTERNAL gz_intmax()
-{
+unsigned ZLIB_INTERNAL gz_intmax(void) {
unsigned p, q;
p = 1;