Merge branch 'master' into timeheap

[ashd.git] / lib / bufio.h

diff --git a/lib/bufio.h b/lib/bufio.h
new file mode 100644 (file)
index 0000000..5874577
--- /dev/null
+++ b/lib/bufio.h
@@ -0,0 +1,41 @@
+#ifndef _LIB_BUFIO_H
+#define _LIB_BUFIO_H
+
+struct bufioops {
+    ssize_t (*read)(void *pdata, void *buf, size_t len);
+    ssize_t (*write)(void *pdata, const void *buf, size_t len);
+    int (*close)(void *pdata);
+};
+
+struct bufio {
+    struct charbuf rbuf, wbuf;
+    size_t rh, wh, bufhint;
+    int err, eof;
+    void *pdata;
+    struct bufioops *ops;
+};
+
+struct bufio *bioopen(void *pdata, struct bufioops *ops);
+int bioclose(struct bufio *bio);
+
+size_t biordata(struct bufio *bio);
+size_t biorspace(struct bufio *bio);
+int bioeof(struct bufio *bio);
+ssize_t biorensure(struct bufio *bio, size_t bytes);
+ssize_t biofillsome(struct bufio *bio);
+int biogetc(struct bufio *bio);
+ssize_t bioreadsome(struct bufio *bio, void *buf, size_t len);
+
+size_t biowdata(struct bufio *bio);
+size_t biowspace(struct bufio *bio);
+int bioflush(struct bufio *bio);
+int bioflushsome(struct bufio *bio);
+ssize_t biowensure(struct bufio *bio, size_t bytes);
+int bioputc(struct bufio *bio, int c);
+ssize_t biowrite(struct bufio *bio, const void *data, size_t len);
+ssize_t biowritesome(struct bufio *bio, const void *data, size_t len);
+int bioprintf(struct bufio *bio, const char *format, ...);
+ssize_t biocopysome(struct bufio *dst, struct bufio *src);
+ssize_t biocopybuf(struct bufio *dst, struct bufio *src);
+
+#endif