shared: move the str* implementations to shared/mem.c

2 files changed, 20 insertions, 0 deletions

diff --git a/src/shared/mem.c b/src/shared/mem.c
index 1b483fe..9185c9e 100644
--- a/src/shared/mem.c
+++ b/src/shared/mem.c
@@ -26,3 +26,20 @@ void *memset(void *s, int c, size_t n) {
 		s2[i] = c;
 	return s;
 }
+
+int strcmp(const char *s1, const char *s2) {
+	while (*s1) {
+		if (*s1 != *s2) {
+			if (*s1 < *s2)  return -1;
+			else            return 1;
+		}
+		s1++; s2++;
+	}
+	return 0;
+}
+
+size_t strlen(const char *s) {
+	size_t c = 0;
+	while (*s++) c++;
+	return c;
+}
diff --git a/src/shared/mem.h b/src/shared/mem.h
index 682c184..7036381 100644
--- a/src/shared/mem.h
+++ b/src/shared/mem.h
@@ -5,3 +5,6 @@ int memcmp(const void *s1, const void *s2, size_t n);
 
 void *memcpy(void *dest, const void *src, size_t n);
 void *memset(void *s, int c, size_t n);
+
+int strcmp(const char *s1, const char *s2);
+size_t strlen(const char *s);