A lot of changes

applications/system/zero/scripts/wave/data_structures/string_writer.c

@@ -0,0 +1,57 @@
+#include "string_writer.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+struct StringWriter {
+    char* buffer;
+    int length;
+    int capacity;
+};
+
+StringWriter* string_writer_alloc(int maxCapacity) {
+    StringWriter* writer = (StringWriter*)malloc(sizeof(StringWriter));
+    writer->capacity = maxCapacity;
+    writer->length = 0;
+    writer->buffer = (char*)malloc(maxCapacity * sizeof(char));
+    memset(writer->buffer, 0, maxCapacity);
+    return writer;
+}
+
+void string_writer_free(StringWriter* writer) {
+    free(writer->buffer);
+    free(writer);
+}
+
+void string_writer_add_str(StringWriter* writer, char* str) {
+    int str_len = strlen(str);
+    if(writer->length + str_len < writer->capacity) {
+        memcpy(writer->buffer + writer->length, str, str_len);
+        writer->length += str_len;
+    }
+}
+
+void string_writer_add_str_format(StringWriter* writer, char* format, char* str) {
+    char temp[200];
+    snprintf(temp, sizeof(temp), format, str);
+    string_writer_add_str(writer, temp);
+}
+
+void string_writer_add_int(StringWriter* writer, int toAdd) {
+    char temp[12];
+    snprintf(temp, sizeof(temp), "%d", toAdd);
+    string_writer_add_str(writer, temp);
+}
+
+void string_writer_add_chars(StringWriter* writer, char* chars) {
+    string_writer_add_str(writer, chars);
+}
+
+void string_writer_clear(StringWriter* writer) {
+    memset(writer->buffer, 0, writer->length);
+    writer->length = 0;
+}
+
+char* string_writer_get(StringWriter* writer) {
+    return writer->buffer;
+}