From: Avi Kivity <avi@xxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
diff --git a/lib/libcflat.h b/lib/libcflat.h
index d4ee2e0..0c62e4c 100644
--- a/lib/libcflat.h
+++ b/lib/libcflat.h
@@ -42,6 +42,7 @@ extern void panic(char *fmt, ...);
extern unsigned long strlen(const char *buf);
extern char *strcat(char *dest, const char *src);
+extern int strcmp(const char *a, const char *b);
extern int printf(const char *fmt, ...);
extern int vsnprintf(char *buf, int size, const char *fmt, va_list va);
diff --git a/lib/string.c b/lib/string.c
index 1f19f5c..9dc94a1 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -20,6 +20,17 @@ char *strcat(char *dest, const char *src)
return dest;
}
+int strcmp(const char *a, const char *b)
+{
+ while (*a == *b) {
+ if (*a == '\0') {
+ break;
+ }
+ ++a, ++b;
+ }
+ return *a - *b;
+}
+
void *memset(void *s, int c, size_t n)
{
size_t i;
--
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