1 files changed, 86 insertions, 0 deletions
diff --git a/Utilities/cmcurl/lib/curl_get_line.c b/Utilities/cmcurl/lib/curl_get_line.c
new file mode 100644
index 0000000000..0d8c285a1d
--- /dev/null
+++ b/Utilities/cmcurl/lib/curl_get_line.c
@@ -0,0 +1,86 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_COOKIES) || !defined(CURL_DISABLE_ALTSVC) ||  \
+  !defined(CURL_DISABLE_HSTS) || !defined(CURL_DISABLE_NETRC)
+
+#include "curl_get_line.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Curl_get_line() makes sure to only return complete whole lines that fit in
+ * 'len' bytes and end with a newline.
+ */
+char *Curl_get_line(char *buf, int len, FILE *input)
+{
+  bool partial = FALSE;
+  while(1) {
+    char *b = fgets(buf, len, input);
+
+    if(b) {
+      size_t rlen = strlen(b);
+
+      if(!rlen)
+        break;
+
+      if(b[rlen-1] == '\n') {
+        /* b is \n terminated */
+        if(partial) {
+          partial = FALSE;
+          continue;
+        }
+        return b;
+      }
+      else if(feof(input)) {
+        if(partial)
+          /* Line is already too large to return, ignore rest */
+          break;
+
+        if(rlen + 1 < (size_t) len) {
+          /* b is EOF terminated, insert missing \n */
+          b[rlen] = '\n';
+          b[rlen + 1] = '\0';
+          return b;
+        }
+        else
+          /* Maximum buffersize reached + EOF
+           * This line is impossible to add a \n to so we'll ignore it
+           */
+          break;
+      }
+      else
+        /* Maximum buffersize reached */
+        partial = TRUE;
+    }
+    else
+      break;
+  }
+  return NULL;
+}
+
+#endif /* if not disabled */