- /* Increment the in-memory pointer. This is very cheap (no system calls). */
- freadptr (fp, &buffered);
- if (buffered > 0)
- {
- size_t increment = (buffered < offset ? buffered : offset);
-
- /* Keep this code in sync with freadahead and freadptr! */
-#if defined _IO_ferror_unlocked /* GNU libc, BeOS */
- fp->_IO_read_ptr += increment;
-#elif defined __sferror /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */
- fp->_p += increment;
- fp->_r -= increment;
-#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, mingw */
-# if defined __sun && defined _LP64 /* Solaris/{SPARC,AMD64} 64-bit */
-# define fp_ ((struct { unsigned char *_ptr; \
- unsigned char *_base; \
- unsigned char *_end; \
- long _cnt; \
- int _file; \
- unsigned int _flag; \
- } *) fp)
- fp_->_ptr += increment;
- fp_->_cnt -= increment;
-# else
- fp->_ptr += increment;
- fp->_cnt -= increment;
-# endif
+/* Increment the in-memory pointer. INCREMENT must be at most the buffer size
+ returned by freadptr().
+ This is very cheap (no system calls). */
+static inline void
+freadptrinc (FILE *fp, size_t increment)
+{
+ /* Keep this code in sync with freadptr! */
+#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+ fp->_IO_read_ptr += increment;
+#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+ fp_->_p += increment;
+ fp_->_r -= increment;
+#elif defined __EMX__ /* emx+gcc */
+ fp->_ptr += increment;
+ fp->_rcount -= increment;
+#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
+ fp_->_ptr += increment;
+ fp_->_cnt -= increment;