From 58de344698f856900eb58dafaa813a7753c31b21 Mon Sep 17 00:00:00 2001
From: Garritt McCune <glmccune@gmail.com>
Date: Mon, 18 Jul 2022 16:27:44 -0500
Subject: [PATCH] Added a string truncate function to clear the string and
 reset it to a default state.

---
 src/main.c    |  9 +++++++++
 src/tstring.c | 18 ++++++++++++++++++
 src/tstring.h |  1 +
 3 files changed, 28 insertions(+)

diff --git a/src/main.c b/src/main.c
index 53dd14c..08f31c8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -102,6 +102,15 @@ int main(int argc, char** argv) {
             }
         }
 
+        if (input[0] == 't') {
+            TStringPrintDetails(string, 0);
+
+            TStringTruncate(string);
+
+            printf("TString truncated\n");
+            continue;
+        }
+
         TStringAppendText(input, string);
     }
     
diff --git a/src/tstring.c b/src/tstring.c
index cd8a482..328f9b5 100644
--- a/src/tstring.c
+++ b/src/tstring.c
@@ -41,6 +41,24 @@ TString* TStringCreate(void) {
     return string;
 }
 
+void TStringTruncate(TString* string) {
+    if (!string) return;
+
+    char* newBuffer = calloc(DEFAULT_TSTRING_BYTE_BUFFER, sizeof(char));
+
+    if (!newBuffer) {
+        fprintf(stderr, "Failed to calloc space during TString truncation. %s\n", strerror(errno));
+        return;
+    }
+
+    free(string->Characters);
+    
+    string->Characters = newBuffer;
+    string->Capacity = DEFAULT_TSTRING_BYTE_BUFFER;
+    string->ByteCount = 0;
+    string->Length = 0;
+}
+
 int TStringLength(const TString* string) {
     if (!string) return -1;
 
diff --git a/src/tstring.h b/src/tstring.h
index 25bcbcb..3733efc 100644
--- a/src/tstring.h
+++ b/src/tstring.h
@@ -8,6 +8,7 @@
 typedef struct __tstring TString;
 
 TString* TStringCreate(void);
+void TStringTruncate(TString* string);
 void TStringAppendText(const char* text, TString* string);
 void TStringGetGlyph(int index, char buffer[8], const TString* string);
 void TStringFree(TString* string);