1 files changed, 90 insertions, 0 deletions
diff --git a/sys/libn/gz.c b/sys/libn/gz.c
new file mode 100644
index 0000000..86face4
--- /dev/null
+++ b/sys/libn/gz.c
@@ -0,0 +1,90 @@
+#include <u.h>
+#include <libn.h>
+
+#include <vendor/zlib.h>
+
+gz·Stream*
+gz·open(byte *path, byte *mode)
+{
+    return gzopen(path, mode);
+}
+
+error
+gz·close(gz·Stream* s)
+{
+    return gzclose(s);
+}
+
+int
+gz·read(gz·Stream *s, int sz, int n, void* buf)
+{
+    return gzread(s, buf, n*sz);
+}
+
+int
+gz·readln(gz·Stream *s, int n, byte *buf)
+{
+    byte* b;
+    b = gzgets(s, buf, n);
+
+    return strlen(b);
+}
+
+byte
+gz·getbyte(gz·Stream *s)
+{
+    // NOTE: Can't call macro
+    byte b[2];
+    gzread(s, b, 1);
+
+    return b[0];
+}
+
+error
+gz·ungetbyte(gz·Stream *s, byte c)
+{
+    return gzungetc(c, s);
+}
+
+int
+gz·write(gz·Stream *s, int sz, int n, void* buf)
+{
+    return gzwrite(s, buf, n*sz);
+}
+
+error   
+gz·putbyte(gz·Stream *s, byte c)
+{
+    return gzputc(s, c);
+}
+
+error   
+gz·putstring(gz·Stream *s, byte *str)
+{
+    return gzputs(s, str);
+}
+
+int
+gz·printf(gz·Stream *s, byte *fmt, ...)
+{
+    error err;
+
+    va_list args;
+    va_start(args, fmt);
+    err = gzprintf(s, fmt, args);
+    va_end(args);
+
+    return err;
+}
+
+error
+gz·flush(gz·Stream *s)
+{
+    return gzflush(s, Z_FINISH);
+}
+
+vlong
+gz·seek(gz·Stream *s, long off, enum SeekPos whence)
+{
+    return gzseek(s, off, whence);
+}