Исправление наименования

libs/string.h

@@ -2,15 +2,21 @@
 #include <string.h>
 #include <stdio.h>
 
+// It's base. NUL terminator.
+int nulTerm = 1;
+
 // -------------------------------------
 // BASE - String and init of this
 // -------------------------------------
 typedef char* string;
 string strInit(char* s) {
-	string str = malloc(strlen(s) * sizeof(char));
+	string str = malloc(strlen(s) + nulTerm);
 	strcpy(str, s);
 	return str;
 }
+void strResize(string* s, int new_size) {
+	*s = realloc(*s, new_size + nulTerm);
+}
 // -------------- END ------------------
 
 
@@ -19,15 +25,15 @@ string strInit(char* s) {
 // FUNCTION - basic operations
 // -------------------------------------
 void strAdd(string* s, char* str_new) {
-	*s = realloc(*s, strlen(*s) + strlen(str_new)*sizeof(char));
+	*s = realloc(*s, strlen(*s) + strlen(str_new) + nulTerm);
 	strcat(*s, str_new);
 }
 void strSet(string* s, char* str_new) {
-	*s = realloc(*s, strlen(str_new)*sizeof(char));
+	*s = realloc(*s, strlen(str_new) + nulTerm);
 	strcpy(*s, str_new);
 }
-void strCopy(string* s1, string* s2) {
-	strcpy(*s2, *s1);
+void strCopy(string* dst, string* src) {
+	strcpy(*dst, *src);
 }
 // -------------- END ------------------
 
@@ -36,19 +42,23 @@ void strCopy(string* s1, string* s2) {
 // -------------------------------------
 // CONVERT - different convert to str
 // -------------------------------------
+int numLen(double num) {
+    return snprintf(NULL, 0, "%lf", num);
+}
+
 char* int2Str(int* num) {
-    char* buffer = malloc(12);
+    char* buffer = malloc(numLen(*num) + nulTerm);
     sprintf(buffer, "%d", *num);
     return buffer;
 }
 char* float2Str(float* num) {
-    char* buffer = malloc(12);
+    char* buffer = malloc(numLen(*num) + nulTerm);
     sprintf(buffer, "%f", *num);
     return buffer;
 }
 char* double2Str(double* num) {
-    char* buffer = malloc(12);
-    sprintf(buffer, "%f", *num);
+    char* buffer = malloc(numLen(*num) + nulTerm);
+    sprintf(buffer, "%lf", *num);
     return buffer;
 }
 // -------------- END ------------------