1 files changed, 146 insertions, 0 deletions
diff --git a/ext/gd/libgd/gd_io.c b/ext/gd/libgd/gd_io.c
new file mode 100644
index 0000000..ab80714
--- /dev/null
+++ b/ext/gd/libgd/gd_io.c
@@ -0,0 +1,146 @@
+
+
+/*
+   * io.c
+   *
+   * Implements the simple I/O 'helper' routines.
+   *
+   * Not really essential, but these routines were used extensively in GD,
+   * so they were moved here. They also make IOCtx calls look better...
+   *
+   * Written (or, at least, moved) 1999, Philip Warner.
+   *
+ */
+
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
+#include "gd.h"
+
+/* Use this for commenting out debug-print statements. */
+/* Just use the first '#define' to allow all the prints... */
+/*#define IO_DBG(s) (s) */
+#define IO_DBG(s)
+
+
+#define GD_IO_EOF_CHK(r)	\
+	if (r == EOF) {		\
+		return 0;	\
+	}			\
+
+/*
+ * Write out a word to the I/O context pointer
+ */
+void Putword (int w, gdIOCtx * ctx)
+{
+	unsigned char buf[2];
+
+	buf[0] = w & 0xff;
+	buf[1] = (w / 256) & 0xff;
+	(ctx->putBuf) (ctx, (char *) buf, 2);
+}
+
+void Putchar (int c, gdIOCtx * ctx)
+{
+	(ctx->putC) (ctx, c & 0xff);
+}
+
+void gdPutC (const unsigned char c, gdIOCtx * ctx)
+{
+	(ctx->putC) (ctx, c);
+}
+
+void gdPutWord (int w, gdIOCtx * ctx)
+{
+	IO_DBG (php_gd_error("Putting word..."));
+	(ctx->putC) (ctx, (unsigned char) (w >> 8));
+	(ctx->putC) (ctx, (unsigned char) (w & 0xFF));
+	IO_DBG (php_gd_error("put."));
+}
+
+void gdPutInt (int w, gdIOCtx * ctx)
+{
+	IO_DBG (php_gd_error("Putting int..."));
+	(ctx->putC) (ctx, (unsigned char) (w >> 24));
+	(ctx->putC) (ctx, (unsigned char) ((w >> 16) & 0xFF));
+	(ctx->putC) (ctx, (unsigned char) ((w >> 8) & 0xFF));
+	(ctx->putC) (ctx, (unsigned char) (w & 0xFF));
+	IO_DBG (php_gd_error("put."));
+}
+
+int gdGetC (gdIOCtx * ctx)
+{
+	return ((ctx->getC) (ctx));
+}
+
+int gdGetByte (int *result, gdIOCtx * ctx)
+{
+	int r;
+	r = (ctx->getC) (ctx);
+	GD_IO_EOF_CHK(r);
+	*result = r;
+	return 1;
+}
+
+int gdGetWord (int *result, gdIOCtx * ctx)
+{
+	int r;
+	r = (ctx->getC) (ctx);
+	GD_IO_EOF_CHK(r);
+	*result = r << 8;
+	r = (ctx->getC) (ctx);
+	GD_IO_EOF_CHK(r);
+	*result += r;
+	return 1;
+}
+
+
+int gdGetInt (int *result, gdIOCtx * ctx)
+{
+	int r;
+	r = (ctx->getC) (ctx);
+	GD_IO_EOF_CHK(r);
+	*result = r << 24;
+
+	r = (ctx->getC) (ctx);
+	GD_IO_EOF_CHK(r);
+	*result += r << 16;
+
+	r = (ctx->getC) (ctx);
+	if (r == EOF) {
+		return 0;
+	}
+	*result += r << 8;
+
+	r = (ctx->getC) (ctx);
+	GD_IO_EOF_CHK(r);
+	*result += r;
+
+	return 1;
+}
+
+int gdPutBuf (const void *buf, int size, gdIOCtx * ctx)
+{
+	IO_DBG (php_gd_error("Putting buf..."));
+	return (ctx->putBuf) (ctx, buf, size);
+	IO_DBG (php_gd_error("put."));
+}
+
+int gdGetBuf (void *buf, int size, gdIOCtx * ctx)
+{
+	return (ctx->getBuf) (ctx, buf, size);
+}
+
+int gdSeek (gdIOCtx * ctx, const int pos)
+{
+	IO_DBG (php_gd_error("Seeking..."));
+	return ((ctx->seek) (ctx, pos));
+	IO_DBG (php_gd_error("Done."));
+}
+
+long gdTell (gdIOCtx * ctx)
+{
+	IO_DBG (php_gd_error("Telling..."));
+	return ((ctx->tell) (ctx));
+	IO_DBG (php_gd_error ("told."));
+}