1 files changed, 98 insertions, 0 deletions
diff --git a/src/common/strlib.c b/src/common/strlib.c
new file mode 100644
index 000000000..2b130e76d
--- /dev/null
+++ b/src/common/strlib.c
@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "strlib.h"
+#include "utils.h"
+#include "malloc.h"
+
+//-----------------------------------------------
+// string lib.
+char* jstrescape (char* pt) {
+	//copy from here
+	char *ptr;
+	int i =0, j=0;
+
+	//copy string to temporary
+	CREATE_A(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';
+	aFree (ptr);
+	return &pt[0];
+}
+
+char* jstrescapecpy (char* pt,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 &pt[0];
+}
+int jmemescapecpy (char* pt,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;
+}
+
+//-----------------------------------------------------
+// Function to suppress control characters in a string.
+//-----------------------------------------------------
+//int remove_control_chars(char *str) {
+int remove_control_chars(unsigned char *str) {
+	int i;
+	int change = 0;
+
+	for(i = 0; str[i]; i++) {
+		if (str[i] < 32) {
+			str[i] = '_';
+			change = 1;
+		}
+	}
+
+	return change;
+}