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git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/common/fputc.c

@@ -0,0 +1,34 @@
+/*
+ * fputc.c
+ *
+ * Ullrich von Bassewitz, 02.06.1998
+ */
+
+
+
+#include <stdio.h>
+#include <fcntl.h>
+#include "_file.h"
+
+
+
+int fputc (int c, FILE* f)
+{
+    /* Check if the file is open or if there is an error condition */
+    if ((f->f_flags & _FOPEN) == 0 || (f->f_flags & (_FERROR | _FEOF)) != 0) {
+    	return -1;
+    }
+
+    /* Write the byte (knows about byte order!) */
+    if (write (f->f_fd, &c, 1) <= 0) {
+   	/* Error */
+	f->f_flags |= _FERROR;
+	return -1;
+    }
+
+    /* Return the byte written */
+    return c & 0xFF;
+}
+
+
+