dos2unix

[pdclib] / functions / stdio / _PDCLIB_ftell64.c

diff --git a/functions/stdio/_PDCLIB_ftell64.c b/functions/stdio/_PDCLIB_ftell64.c
index 77ab8723921e6f9513e7b3bba03bd4f36adb7163..ea93fc69f467a481304181e65f73fb84e430fd9f 100644 (file)
--- a/functions/stdio/_PDCLIB_ftell64.c
+++ b/functions/stdio/_PDCLIB_ftell64.c
@@ -1,62 +1,62 @@
-/* _PDCLIB_ftell64( FILE * )\r
-\r
-   This file is part of the Public Domain C Library (PDCLib).\r
-   Permission is granted to use, modify, and / or redistribute at will.\r
-*/\r
-\r
-#include <stdio.h>\r
-#include <stdint.h>\r
-#include <limits.h>\r
-\r
-#ifndef REGTEST\r
-#include "_PDCLIB_io.h"\r
-\r
-uint_fast64_t _PDCLIB_ftell64_unlocked( FILE * stream )\r
-{\r
-    /* ftell() must take into account:\r
-       - the actual *physical* offset of the file, i.e. the offset as recognized\r
-         by the operating system (and stored in stream->pos.offset); and\r
-       - any buffers held by PDCLib, which\r
-         - in case of unwritten buffers, count in *addition* to the offset; or\r
-         - in case of unprocessed pre-read buffers, count in *substraction* to\r
-           the offset. (Remember to count ungetidx into this number.)\r
-       Conveniently, the calculation ( ( bufend - bufidx ) + ungetidx ) results\r
-       in just the right number in both cases:\r
-         - in case of unwritten buffers, ( ( 0 - unwritten ) + 0 )\r
-           i.e. unwritten bytes as negative number\r
-         - in case of unprocessed pre-read, ( ( preread - processed ) + unget )\r
-           i.e. unprocessed bytes as positive number.\r
-       That is how the somewhat obscure return-value calculation works.\r
-    */\r
-\r
-    /* ungetc on a stream at offset==0 will cause an overflow to UINT64_MAX.\r
-     * C99/C11 says that the return value of ftell in this case is \r
-     * "indeterminate"\r
-     */\r
-\r
-    return ( stream->pos.offset - ( ( (int)stream->bufend - (int)stream->bufidx ) + (int)stream->ungetidx ) );\r
-}\r
-\r
-uint_fast64_t _PDCLIB_ftell64( FILE * stream )\r
-{\r
-  _PDCLIB_flockfile( stream );\r
-  uint_fast64_t pos = _PDCLIB_ftell64_unlocked( stream );\r
-  _PDCLIB_funlockfile( stream );\r
-  return pos;\r
-}\r
-\r
-#endif\r
-\r
-#ifdef TEST\r
-#include "_PDCLIB_test.h"\r
-\r
-#include <stdlib.h>\r
-\r
-int main( void )\r
-{\r
-    /* Tested by ftell */\r
-    return TEST_RESULTS;\r
-}\r
-\r
-#endif\r
-\r
+/* _PDCLIB_ftell64( FILE * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+#include <stdint.h>
+#include <limits.h>
+
+#ifndef REGTEST
+#include "_PDCLIB_io.h"
+
+uint_fast64_t _PDCLIB_ftell64_unlocked( FILE * stream )
+{
+    /* ftell() must take into account:
+       - the actual *physical* offset of the file, i.e. the offset as recognized
+         by the operating system (and stored in stream->pos.offset); and
+       - any buffers held by PDCLib, which
+         - in case of unwritten buffers, count in *addition* to the offset; or
+         - in case of unprocessed pre-read buffers, count in *substraction* to
+           the offset. (Remember to count ungetidx into this number.)
+       Conveniently, the calculation ( ( bufend - bufidx ) + ungetidx ) results
+       in just the right number in both cases:
+         - in case of unwritten buffers, ( ( 0 - unwritten ) + 0 )
+           i.e. unwritten bytes as negative number
+         - in case of unprocessed pre-read, ( ( preread - processed ) + unget )
+           i.e. unprocessed bytes as positive number.
+       That is how the somewhat obscure return-value calculation works.
+    */
+
+    /* ungetc on a stream at offset==0 will cause an overflow to UINT64_MAX.
+     * C99/C11 says that the return value of ftell in this case is 
+     * "indeterminate"
+     */
+
+    return ( stream->pos.offset - ( ( (int)stream->bufend - (int)stream->bufidx ) + (int)stream->ungetidx ) );
+}
+
+uint_fast64_t _PDCLIB_ftell64( FILE * stream )
+{
+  _PDCLIB_flockfile( stream );
+  uint_fast64_t pos = _PDCLIB_ftell64_unlocked( stream );
+  _PDCLIB_funlockfile( stream );
+  return pos;
+}
+
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+#include <stdlib.h>
+
+int main( void )
+{
+    /* Tested by ftell */
+    return TEST_RESULTS;
+}
+
+#endif
+