diff -r 16219eba3a0a -r 2cfbcbe86a7c src/buffer.c
--- a/src/buffer.c	Sat Apr 30 08:40:40 2022 +0200
+++ b/src/buffer.c	Sat Apr 30 09:03:17 2022 +0200
@@ -169,6 +169,26 @@
     return len / size;
 }
 
+int cxBufferPut(
+        CxBuffer *buffer,
+        int c
+) {
+    c &= 0xFF;
+    unsigned char const ch = c;
+    if (cxBufferWrite(&ch, 1, 1, buffer) == 1) {
+        return c;
+    } else {
+        return EOF;
+    }
+}
+
+size_t cxBufferPutString(
+        CxBuffer *buffer,
+        const char *str
+) {
+    return cxBufferWrite(str, 1, strlen(str), buffer);
+}
+
 size_t cxBufferRead(
         void *ptr,
         size_t size,
@@ -194,29 +214,6 @@
     return len / size;
 }
 
-int cxBufferPut(
-        CxBuffer *buffer,
-        int c
-) {
-    if (buffer->pos >= buffer->capacity) {
-        if ((buffer->flags & CX_BUFFER_AUTO_EXTEND) == CX_BUFFER_AUTO_EXTEND) {
-            if (cxBufferMinimumCapacity(buffer, buffer->capacity + 1)) {
-                return EOF;
-            }
-        } else {
-            return EOF;
-        }
-    }
-
-    c &= 0xFF;
-    buffer->bytes[buffer->pos] = (unsigned char) c;
-    buffer->pos++;
-    if (buffer->pos > buffer->size) {
-        buffer->size = buffer->pos;
-    }
-    return c;
-}
-
 int cxBufferGet(CxBuffer *buffer) {
     if (cxBufferEof(buffer)) {
         return EOF;
@@ -227,13 +224,6 @@
     }
 }
 
-size_t cxBufferPutString(
-        CxBuffer *buffer,
-        const char *str
-) {
-    return cxBufferWrite(str, 1, strlen(str), buffer);
-}
-
 int cxBufferShiftLeft(
         CxBuffer *buffer,
         size_t shift