OrionLibC
Barry Importing existing Orion LibC 03048a9 (3 years, 2 months ago)
diff --git a/unistd/read.c b/unistd/read.c
new file mode 100644
index 0000000..f4d2d75
--- /dev/null
+++ b/unistd/read.c
@@ -0,0 +1,16 @@
+#include <stddef.h>
+#include <sys/syscall.h>
+#include <errno.h>
+
+/* Read from a file */
+int
+read(int fd, void *buf, size_t count)
+{
+ int ret;
+ asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_READ),
+ "c" (3), "S" (&fd));
+ if (ret >= 0)
+ return ret;
+ errno = -ret;
+ return -1;
+}