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path: root/erts/emulator/drivers/common/gzio.c
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Diffstat (limited to 'erts/emulator/drivers/common/gzio.c')
-rw-r--r--erts/emulator/drivers/common/gzio.c56
1 files changed, 53 insertions, 3 deletions
diff --git a/erts/emulator/drivers/common/gzio.c b/erts/emulator/drivers/common/gzio.c
index 801bc61d4d..5531a275ea 100644
--- a/erts/emulator/drivers/common/gzio.c
+++ b/erts/emulator/drivers/common/gzio.c
@@ -28,6 +28,7 @@
#ifdef __WIN32__
#define HAVE_CONFLICTING_FREAD_DECLARATION
+#define FILENAMES_16BIT 1
#endif
#ifdef STDC
@@ -102,6 +103,40 @@ local uLong getLong OF((gz_stream *s));
# define ERTS_GZREAD(File, Buf, Count) fread((Buf), 1, (Count), (File))
#endif
+/*
+ * Ripped from efile_drv.c
+ */
+
+#ifdef FILENAMES_16BIT
+# define FILENAME_BYTELEN(Str) filename_len_16bit(Str)
+# define FILENAME_COPY(To,From) filename_cpy_16bit((To),(From))
+# define FILENAME_CHARSIZE 2
+
+ static int filename_len_16bit(const char *str)
+ {
+ const char *p = str;
+ while(*p != '\0' || p[1] != '\0') {
+ p += 2;
+ }
+ return (p - str);
+ }
+
+ static void filename_cpy_16bit(char *to, const char *from)
+ {
+ while(*from != '\0' || from[1] != '\0') {
+ *to++ = *from++;
+ *to++ = *from++;
+ }
+ *to++ = *from++;
+ *to++ = *from++;
+ }
+
+#else
+# define FILENAME_BYTELEN(Str) strlen(Str)
+# define FILENAME_COPY(To,From) strcpy(To,From)
+# define FILENAME_CHARSIZE 1
+#endif
+
/* ===========================================================================
Opens a gzip (.gz) file for reading or writing. The mode parameter
is as in fopen ("rb" or "wb"). The file is given either by file descriptor
@@ -144,11 +179,11 @@ local gzFile gz_open (path, mode)
s->position = 0;
s->destroy = destroy;
- s->path = (char*)ALLOC(strlen(path)+1);
+ s->path = (char*)ALLOC(FILENAME_BYTELEN(path)+FILENAME_CHARSIZE);
if (s->path == NULL) {
return s->destroy(s), (gzFile)Z_NULL;
}
- strcpy(s->path, path); /* do this early for debugging */
+ FILENAME_COPY(s->path, path); /* do this early for debugging */
s->mode = '\0';
do {
@@ -194,7 +229,22 @@ local gzFile gz_open (path, mode)
s->stream.avail_out = Z_BUFSIZE;
errno = 0;
-#ifdef UNIX
+#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';
+ }
+ wfmode[i++] = '\0';
+ wfmode[i++] = '\0';
+ s->file = F_OPEN(path, wfmode);
+ if (s->file == NULL) {
+ return s->destroy(s), (gzFile)Z_NULL;
+ }
+ }
+#elif defined(UNIX)
if (s->mode == 'r') {
s->file = open(path, O_RDONLY);
} else {