Very first cut at a klibc-derived C library for com32

1 files changed, 20 insertions, 0 deletions

diff --git a/com32/lib/fgetc.c b/com32/lib/fgetc.c
new file mode 100644
index 00000000..83eee16f
--- /dev/null
+++ b/com32/lib/fgetc.c
@@ -0,0 +1,20 @@
+/*
+ * fgetc.c
+ *
+ * Extremely slow fgetc implementation, using _fread().  If people
+ * actually need character-oriented input to be fast, we may actually
+ * have to implement buffering.  Sigh.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+
+int fgetc(FILE *f)
+{
+  unsigned char ch;
+
+  return (_fread(&ch, 1, f) == 1) ? (int)ch : EOF;
+}
+