Import sources from 2011-03-30 iso image

1 files changed, 39 insertions, 0 deletions

diff --git a/sys/src/liblex/allprint.c b/sys/src/liblex/allprint.c
new file mode 100755
index 000000000..d508afd8b
--- /dev/null
+++ b/sys/src/liblex/allprint.c
@@ -0,0 +1,39 @@
+#include	<u.h>
+#include	<libc.h>
+#include	<stdio.h>
+
+extern	FILE*	yyout;
+
+int
+printable(int c)
+{
+	return 040 < c && c < 0177;
+}
+
+void
+allprint(char c)
+{
+
+	switch(c) {
+	case '\n':
+		fprintf(yyout,"\\n");
+		break;
+	case '\t':
+		fprintf(yyout,"\\t");
+		break;
+	case '\b':
+		fprintf(yyout,"\\b");
+		break;
+	case ' ':
+		fprintf(yyout,"\\\bb");
+		break;
+	default:
+		if(!printable(c))
+			fprintf(yyout,"\\%-3o",c);
+		else 
+			c = putc(c,yyout);
+			USED(c);
+		break;
+	}
+	return;
+}