1 files changed, 79 insertions, 0 deletions
diff --git a/src/char_sql/strlib.c b/src/char_sql/strlib.c
new file mode 100644
index 0000000..b113d96
--- /dev/null
+++ b/src/char_sql/strlib.c
@@ -0,0 +1,79 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "strlib.h"
+#include "utils.h"
+
+//-----------------------------------------------
+// string lib.
+unsigned char* jstrescape (unsigned char* pt) {
+	//copy from here
+	unsigned char * ptr;
+	int i =0, j=0;
+	
+	//copy string to temporary
+	CREATE(ptr, char, J_MAX_MALLOC_SIZE);
+	strcpy (ptr,pt);
+	
+	while (ptr[i] != '\0') {
+		switch (ptr[i]) {
+			case '\'':
+				pt[j++] = '\\';
+				pt[j++] = ptr[i++];
+				break;
+			case '\\':
+				pt[j++] = '\\';
+				pt[j++] = ptr[i++];
+				break;
+			default:
+				pt[j++] = ptr[i++];
+		}
+	}
+	pt[j++] = '\0';
+	free (ptr);
+	return (unsigned char*) &pt[0];
+}
+
+unsigned char* jstrescapecpy (unsigned char* pt,unsigned char* spt) {
+	//copy from here
+	int i =0, j=0;
+	
+	while (spt[i] != '\0') {
+		switch (spt[i]) {
+			case '\'':
+				pt[j++] = '\\';
+				pt[j++] = spt[i++];
+				break;
+			case '\\':
+				pt[j++] = '\\';
+				pt[j++] = spt[i++];
+				break;
+			default:
+				pt[j++] = spt[i++];
+		}
+	}
+	pt[j++] = '\0';
+	return (unsigned char*) &pt[0];
+}
+int jmemescapecpy (unsigned char* pt,unsigned char* spt, int size) {
+	//copy from here
+	int i =0, j=0;
+	
+	while (i < size) {
+		switch (spt[i]) {
+			case '\'':
+				pt[j++] = '\\';
+				pt[j++] = spt[i++];
+				break;
+			case '\\':
+				pt[j++] = '\\';
+				pt[j++] = spt[i++];
+				break;
+			default:
+				pt[j++] = spt[i++];
+		}
+	}
+	// copy size is 0 ~ (j-1)
+	return j;
+}