4 files changed, 104 insertions, 0 deletions
diff --git a/lib/stdlib/exit.c b/lib/stdlib/exit.c
new file mode 100644
index 00000000..3e775914
--- /dev/null
+++ b/lib/stdlib/exit.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <debug.h>
+
+void exit(int v)
+{
+	ERROR("EXIT\n");
+	panic();
+}
diff --git a/lib/stdlib/sscanf.c b/lib/stdlib/sscanf.c
new file mode 100644
index 00000000..e9f5c4a1
--- /dev/null
+++ b/lib/stdlib/sscanf.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+
+/*
+ * TODO: This is not a real implementation of the sscanf() function. It just
+ * returns the number of expected arguments based on the number of '%' found
+ * in the format string.
+ */
+int
+sscanf(const char *__restrict str, char const *__restrict fmt, ...)
+{
+	int ret = 0;
+
+	while (*fmt != '\0') {
+		if (*fmt++ == '%') {
+			ret++;
+		}
+	}
+
+	return ret;
+}
diff --git a/lib/stdlib/std.c b/lib/stdlib/std.c
index 46087549..5f6ef752 100644
--- a/lib/stdlib/std.c
+++ b/lib/stdlib/std.c
@@ -32,10 +32,12 @@
 /* Include the various implemented functions */
 #include "abort.c"
 #include "assert.c"
+#include "exit.c"
 #include "mem.c"
 #include "printf.c"
 #include "putchar.c"
 #include "puts.c"
+#include "sscanf.c"
 #include "strchr.c"
 #include "strcmp.c"
 #include "strlen.c"
diff --git a/lib/stdlib/strcmp.c b/lib/stdlib/strcmp.c
index 1d26f2bd..bb86e0f2 100644
--- a/lib/stdlib/strcmp.c
+++ b/lib/stdlib/strcmp.c
@@ -36,6 +36,7 @@
  */
 
 #include <sys/cdefs.h>
+#include <sys/ctype.h>
 #include <string.h>
 
 /*
@@ -49,3 +50,17 @@ strcmp(const char *s1, const char *s2)
 			return 0;
 	return *(const unsigned char *)s1 - *(const unsigned char *)(s2 - 1);
 }
+
+int
+strcasecmp(const char *s1, const char *s2)
+{
+	const unsigned char *us1 = (const unsigned char *)s1;
+	const unsigned char *us2 = (const unsigned char *)s2;
+
+	while (tolower(*us1) == tolower(*us2)) {
+		if (*us1++ == '\0')
+			return 0;
+		us2++;
+	}
+	return tolower(*us1) - tolower(*us2);
+}