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Diffstat (limited to 'erts/emulator/drivers/common/gzio.c')
-rw-r--r--erts/emulator/drivers/common/gzio.c74
1 files changed, 42 insertions, 32 deletions
diff --git a/erts/emulator/drivers/common/gzio.c b/erts/emulator/drivers/common/gzio.c
index e085c262b0..1ef1602ec9 100644
--- a/erts/emulator/drivers/common/gzio.c
+++ b/erts/emulator/drivers/common/gzio.c
@@ -20,6 +20,7 @@
#endif
#include <ctype.h>
#include "erl_driver.h"
+#include "erl_efile.h"
#include "sys.h"
#ifdef __WIN32__
@@ -73,15 +74,15 @@ typedef struct gz_stream {
int transparent; /* 1 if input file is not a .gz file */
char mode; /* 'w' or 'r' */
int position; /* Position (for seek) */
- int (*destroy)OF((struct gz_stream*)); /* Function to destroy
+ int (*destroy)(struct gz_stream*); /* Function to destroy
* this structure. */
} gz_stream;
-local gzFile gz_open OF((const char *path, const char *mode));
-local int get_byte OF((gz_stream *s));
-local void check_header OF((gz_stream *s));
-local int destroy OF((gz_stream *s));
-local uLong getLong OF((gz_stream *s));
+local ErtsGzFile gz_open (const char *path, const char *mode);
+local int get_byte (gz_stream *s);
+local void check_header (gz_stream *s);
+local int destroy (gz_stream *s);
+local uLong getLong (gz_stream *s);
#ifdef UNIX
/*
@@ -144,7 +145,7 @@ local uLong getLong OF((gz_stream *s));
can be checked to distinguish the two cases (if errno is zero, the
zlib error is Z_MEM_ERROR).
*/
-local gzFile gz_open (path, mode)
+local ErtsGzFile gz_open (path, mode)
const char *path;
const char *mode;
{
@@ -179,7 +180,7 @@ local gzFile gz_open (path, mode)
s->path = (char*)ALLOC(FILENAME_BYTELEN(path)+FILENAME_CHARSIZE);
if (s->path == NULL) {
- return s->destroy(s), (gzFile)Z_NULL;
+ return s->destroy(s), (ErtsGzFile)Z_NULL;
}
FILENAME_COPY(s->path, path); /* do this early for debugging */
@@ -197,7 +198,7 @@ local gzFile gz_open (path, mode)
} while (*p++ && m < fmode + sizeof(fmode) - 1);
*m = '\0';
if (s->mode == '\0')
- return s->destroy(s), (gzFile)Z_NULL;
+ return s->destroy(s), (ErtsGzFile)Z_NULL;
if (s->mode == 'w') {
err = deflateInit2(&(s->stream), level,
@@ -207,7 +208,7 @@ local gzFile gz_open (path, mode)
s->stream.next_out = s->outbuf = (Byte*)ALLOC(Z_BUFSIZE);
if (err != Z_OK || s->outbuf == Z_NULL) {
- return s->destroy(s), (gzFile)Z_NULL;
+ return s->destroy(s), (ErtsGzFile)Z_NULL;
}
} else {
/*
@@ -221,7 +222,7 @@ local gzFile gz_open (path, mode)
s->stream.next_in = s->inbuf = (Byte*)ALLOC(Z_BUFSIZE);
if (err != Z_OK || s->inbuf == Z_NULL) {
- return s->destroy(s), (gzFile)Z_NULL;
+ return s->destroy(s), (ErtsGzFile)Z_NULL;
}
}
s->stream.avail_out = Z_BUFSIZE;
@@ -229,17 +230,17 @@ local gzFile gz_open (path, mode)
errno = 0;
#if defined(FILENAMES_16BIT)
{
- char wfmode[160];
- int i=0,j;
- for(j=0;fmode[j] != '\0';++j) {
- wfmode[i++]=fmode[j];
- wfmode[i++]='\0';
+ FILE* efile_wfopen(const WCHAR* name, const WCHAR* mode);
+ WCHAR wfmode[80];
+ int i = 0;
+ int j;
+ for(j = 0; fmode[j] != '\0'; ++j) {
+ wfmode[i++] = (WCHAR) fmode[j];
}
- wfmode[i++] = '\0';
- wfmode[i++] = '\0';
- s->file = F_OPEN(path, wfmode);
+ wfmode[i++] = L'\0';
+ s->file = efile_wfopen((WCHAR *)path, wfmode);
if (s->file == NULL) {
- return s->destroy(s), (gzFile)Z_NULL;
+ return s->destroy(s), (ErtsGzFile)Z_NULL;
}
}
#elif defined(UNIX)
@@ -249,18 +250,18 @@ local gzFile gz_open (path, mode)
s->file = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0666);
}
if (s->file == -1) {
- return s->destroy(s), (gzFile)Z_NULL;
+ return s->destroy(s), (ErtsGzFile)Z_NULL;
}
#else
- s->file = F_OPEN(path, fmode);
+ s->file = fopen(path, fmode);
if (s->file == NULL) {
- return s->destroy(s), (gzFile)Z_NULL;
+ return s->destroy(s), (ErtsGzFile)Z_NULL;
}
#endif
if (s->mode == 'r') {
check_header(s); /* skip the .gz header */
}
- return (gzFile)s;
+ return (ErtsGzFile)s;
}
/* ===========================================================================
@@ -296,7 +297,7 @@ local int gz_rewind (gz_stream *s)
/* ===========================================================================
Opens a gzip (.gz) file for reading or writing.
*/
-gzFile erts_gzopen (path, mode)
+ErtsGzFile erts_gzopen (path, mode)
const char *path;
const char *mode;
{
@@ -447,7 +448,7 @@ local int destroy (s)
gzread returns the number of bytes actually read (0 for end of file).
*/
int
-erts_gzread(gzFile file, voidp buf, unsigned len)
+erts_gzread(ErtsGzFile file, voidp buf, unsigned len)
{
gz_stream *s = (gz_stream*)file;
Bytef *start = buf; /* starting point for crc computation */
@@ -557,7 +558,7 @@ erts_gzread(gzFile file, voidp buf, unsigned len)
gzwrite returns the number of bytes actually written (0 in case of error).
*/
int
-erts_gzwrite(gzFile file, voidp buf, unsigned len)
+erts_gzwrite(ErtsGzFile file, voidp buf, unsigned len)
{
gz_stream *s = (gz_stream*)file;
@@ -593,11 +594,20 @@ erts_gzwrite(gzFile file, voidp buf, unsigned len)
*/
int
-erts_gzseek(gzFile file, int offset, int whence)
+erts_gzseek(ErtsGzFile file, int offset, int whence)
{
int pos;
gz_stream* s = (gz_stream *) file;
+ switch (whence) {
+ case EFILE_SEEK_SET: whence = SEEK_SET; break;
+ case EFILE_SEEK_CUR: whence = SEEK_CUR; break;
+ case EFILE_SEEK_END: whence = SEEK_END; break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+
if (s == NULL) {
errno = EINVAL;
return -1;
@@ -655,7 +665,7 @@ erts_gzseek(gzFile file, int offset, int whence)
degrade compression.
*/
int
-erts_gzflush(gzFile file, int flush)
+erts_gzflush(ErtsGzFile file, int flush)
{
uInt len;
int done = 0;
@@ -714,7 +724,7 @@ local uLong getLong (s)
and deallocates all the (de)compression state.
*/
int
-erts_gzclose(gzFile file)
+erts_gzclose(ErtsGzFile file)
{
int err;
gz_stream *s = (gz_stream*)file;
@@ -723,9 +733,9 @@ erts_gzclose(gzFile file)
if (s->mode == 'w') {
err = erts_gzflush (file, Z_FINISH);
- if (err != Z_OK) return s->destroy(file);
+ if (err != Z_OK) return s->destroy(s);
}
- return s->destroy(file);
+ return s->destroy(s);
}