1 files changed, 25 insertions, 0 deletions
diff --git a/fixcr.c b/fixcr.c
new file mode 100644
index 0000000..02b4d7f
--- /dev/null
+++ b/fixcr.c
@@ -0,0 +1,25 @@
+#include "substdio.h"
+#include "subfd.h"
+#include "exit.h"
+
+void main()
+{
+  register int n;
+  register char *x;
+  char ch;
+  char lastch = 0;
+
+  for (;;) {
+    n = substdio_feed(subfdin);
+    if (n < 0) _exit(111);
+    if (!n) _exit(0);
+    x = substdio_PEEK(subfdin);
+    substdio_SEEK(subfdin,n);
+    while (n > 0) {
+      ch = *x++; --n;
+      if (ch == '\n') if (lastch != '\r') substdio_BPUTC(subfdout,"\r"[0]);
+      substdio_BPUTC(subfdout,ch);
+      lastch = ch;
+    }
+  }
+}