cscvs to tla changeset 27

[onak.git] / charfuncs.h

diff --git a/charfuncs.h b/charfuncs.h
new file mode 100644 (file)
index 0000000..f394e15
--- /dev/null
+++ b/charfuncs.h
@@ -0,0 +1,57 @@
+/*
+ * charfuncs.h - Routines for dealing with character streams.
+ *
+ * Jonathan McDowell <noodles@earth.li>
+ *
+ * Copyright 2002 Project Purple
+ */
+
+#ifndef __CHARFUNCS_H__
+#define __CHARFUNCS_H__
+
+#include <stdlib.h>
+
+/**
+ *     buffer_ctx - Shared with CGI buffer stuff...
+ *     @buffer: The data buffer.
+ *     @offset: Our current position in the buffer.
+ *     @size: The size of the data buffer.
+ */
+struct buffer_ctx {
+       char *buffer;
+       int offset;
+       int size;
+};
+
+/**
+ *     buffer_fetchchar - Fetches a char from a buffer.
+ *     @ctx: Our buffer context structure.
+ *     @count: The number of characters to get from the buffer.
+ *     @c: Where to put the characters retrieved.
+ */
+int buffer_fetchchar(void *ctx, size_t count, unsigned char *c);
+
+/**
+ *     buffer_putchar - Puts a char to a buffer.
+ *     @ctx: Our buffer context structure.
+ *     @count: The number of characters to put into the buffer.
+ *     @c: The characters to add to the buffer.
+ *
+ *     Adds characters to the buffer references by the buffer context. If we
+ *     fill it then we double the size of the current buffer and then add the
+ *     rest.
+ */
+int buffer_putchar(void *ctx, size_t count, unsigned char *c);
+
+/**
+ *     file_fetchchar - Fetches a char from a file.
+ */
+int file_fetchchar(void *fd, size_t count, unsigned char *c);
+
+/**
+ *     file_putchar - Puts a char to a file.
+ */
+int file_putchar(void *fd, size_t count, unsigned char *c);
+
+
+#endif /* __CHARFUNCS_H__ */