fseek: avoid compilation failure when fflush is replaced

[gnulib.git] / lib / stdio.in.h

diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index 3777e85..d0ffa59 100644 (file)
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -227,7 +227,14 @@ extern int rpl_fseek (FILE *fp, long offset, int whence);
    fflush(), and which detect pipes.  */
 #  define fseeko rpl_fseeko
 extern int fseeko (FILE *fp, off_t offset, int whence);
-#  define fseek(fp, offset, whence) fseeko (fp, (off_t)(offset), whence)
+#  if !@GNULIB_FSEEK@
+#   undef fseek
+#   define fseek(f,o,w) \
+     (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
+                       "on 32-bit platforms - " \
+                       "use fseeko function for handling of large files"), \
+      fseeko (f, o, w))
+#  endif
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef fseeko
@@ -263,7 +270,14 @@ extern long rpl_ftell (FILE *fp);
 # if @REPLACE_FTELLO@
 #  define ftello rpl_ftello
 extern off_t ftello (FILE *fp);
-#  define ftell(fp) ftello (fp)
+#  if !@GNULIB_FTELL@
+#   undef ftell
+#   define ftell(f) \
+     (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
+                       "on 32-bit platforms - " \
+                       "use ftello function for handling of large files"), \
+      ftello (f))
+#  endif
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef ftello
@@ -445,7 +459,11 @@ extern int rename (const char *old, const char *new);
 #endif
 
 #if @GNULIB_RENAMEAT@
-# if !@HAVE_RENAMEAT@
+# if @REPLACE_RENAMEAT@
+#  undef renameat
+#  define renameat rpl_renameat
+# endif
+# if !@HAVE_RENAMEAT@ || @REPLACE_RENAMEAT@
 extern int renameat (int fd1, char const *file1, int fd2, char const *file2);
 # endif
 #elif defined GNULIB_POSIXCHECK