initial checkout from wrc

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/strcat.c b/lib/strcat.c
new file mode 100644
index 0000000..b0a8726
--- /dev/null
+++ b/lib/strcat.c
@@ -0,0 +1,38 @@
+/**
+** @file	strcat.c
+**
+** @author	Numerous CSCI-452 classes
+**
+** @brief	C implementations of common library functions
+*/
+
+#ifndef STRCAT_SRC_INC
+#define STRCAT_SRC_INC
+
+#include <common.h>
+
+#include <lib.h>
+
+/**
+** strcat(dst,src) - append one string to another
+**
+** @param dst The destination buffer
+** @param src The source buffer
+**
+** @return The dst parameter
+**
+** NOTE:  assumes dst is large enough to hold the resulting string
+*/
+char *strcat( register char *dst, register const char *src ) {
+	register char *tmp = dst;
+
+	while( *dst )  // find the NUL
+		++dst;
+
+	while( (*dst++ = *src++) )  // append the src string
+		;
+
+	return( tmp );
+}
+
+#endif