#if defined __need_FILE || defined __need___FILE
/* Special invocation convention inside glibc header files. */
-#if @HAVE_INCLUDE_NEXT@
-# include_next <stdio.h>
-#else
-# include @ABSOLUTE_STDIO_H@
-#endif
+#@INCLUDE_NEXT@ @NEXT_STDIO_H@
#else
/* Normal invocation convention. */
-#if @HAVE_INCLUDE_NEXT@
-# include_next <stdio.h>
-#endif
+#ifndef _GL_STDIO_H
+
+/* The include_next requires a split double-inclusion guard. */
+#@INCLUDE_NEXT@ @NEXT_STDIO_H@
#ifndef _GL_STDIO_H
#define _GL_STDIO_H
-#if ! @HAVE_INCLUDE_NEXT@
-# include @ABSOLUTE_STDIO_H@
-#endif
-
#include <stdarg.h>
#include <stddef.h>
-#if (@GNULIB_FFLUSH@ && @REPLACE_FFLUSH@) || (@GNULIB_FSEEKO@ && !@HAVE_FSEEKO@) || (@GNULIB_FTELLO@ && !@HAVE_FTELLO@)
-/* Get off_t. */
+#if (@GNULIB_FSEEKO@ && @REPLACE_FSEEKO@) \
+ || (@GNULIB_FTELLO@ && @REPLACE_FTELLO@) \
+ || (@GNULIB_GETDELIM@ && !@HAVE_DECL_GETDELIM@) \
+ || (@GNULIB_GETLINE@ && (!@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@))
+/* Get off_t and ssize_t. */
# include <sys/types.h>
#endif
# endif
#endif
-#if @GNULIB_FFLUSH@ && @REPLACE_FFLUSH@
-/* Provide fseek, fseeko functions that are aware of a preceding fflush(). */
-# define fseeko rpl_fseeko
+#if @GNULIB_FSEEKO@
+# if @REPLACE_FSEEKO@
+/* Provide fseek, fseeko functions that are aware of a preceding
+ 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)
-#elif @GNULIB_FSEEKO@
-# if !@HAVE_FSEEKO@
-/* Assume 'off_t' is the same type as 'long'. */
-typedef int verify_fseeko_types[2 * (sizeof (off_t) == sizeof (long)) - 1];
-# define fseeko fseek
+# define fseek(fp, offset, whence) fseeko (fp, (off_t)(offset), whence)
# endif
-#else
+#elif defined GNULIB_POSIXCHECK
# undef fseeko
# define fseeko(f,o,w) \
(GL_LINK_WARNING ("fseeko is unportable - " \
fseeko (f, o, w))
#endif
-#if defined GNULIB_POSIXCHECK
+#if @GNULIB_FSEEK@ && @REPLACE_FSEEK@
+extern int rpl_fseek (FILE *fp, long offset, int whence);
+# undef fseek
+# if defined GNULIB_POSIXCHECK
+# 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"), \
+ rpl_fseek (f, o, w))
+# else
+# define fseek rpl_fseek
+# endif
+#elif defined GNULIB_POSIXCHECK
# ifndef fseek
# define fseek(f,o,w) \
(GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
#endif
#if @GNULIB_FTELLO@
-# if !@HAVE_FTELLO@
-/* Assume 'off_t' is the same type as 'long'. */
-typedef int verify_ftello_types[2 * (sizeof (off_t) == sizeof (long)) - 1];
-# define ftello ftell
+# if @REPLACE_FTELLO@
+# define ftello rpl_ftello
+extern off_t ftello (FILE *fp);
+# define ftell(fp) ftello (fp)
# endif
-#else
+#elif defined GNULIB_POSIXCHECK
# undef ftello
# define ftello(f) \
(GL_LINK_WARNING ("ftello is unportable - " \
ftello (f))
#endif
-#if defined GNULIB_POSIXCHECK
+#if @GNULIB_FTELL@ && @REPLACE_FTELL@
+extern long rpl_ftell (FILE *fp);
+# undef ftell
+# if GNULIB_POSIXCHECK
+# 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"), \
+ rpl_ftell (f))
+# else
+# define ftell rpl_ftell
+# endif
+#elif defined GNULIB_POSIXCHECK
# ifndef ftell
# define ftell(f) \
(GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
# if @REPLACE_FFLUSH@
# define fflush rpl_fflush
/* Flush all pending data on STREAM according to POSIX rules. Both
- output and seekable input streams are supported. */
+ output and seekable input streams are supported.
+ Note! LOSS OF DATA can occur if fflush is applied on an input stream
+ that is _not_seekable_ or on an update stream that is _not_seekable_
+ and in which the most recent operation was input. Seekability can
+ be tested with lseek(fileno(fp),0,SEEK_CUR). */
extern int fflush (FILE *gl_stream);
# endif
#elif defined GNULIB_POSIXCHECK
fflush (f))
#endif
+#if @GNULIB_GETDELIM@
+# if !@HAVE_DECL_GETDELIM@
+ /* Read up to (and including) a DELIMITER from FP into *LINEPTR (and
+ NUL-terminate it). *LINEPTR is a pointer returned from malloc (or
+ NULL), pointing to *N characters of space. It is realloc'ed as
+ necessary. Returns the number of characters read (not including
+ the null terminator), or -1 on error or EOF. */
+ extern ssize_t getdelim (char **, size_t *, int delim, FILE *);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getdelim
+# define getdelim(l, s, d, f) \
+ (GL_LINK_WARNING ("getdelim is unportable - " \
+ "use gnulib module getdelim for portability"), \
+ getdelim (l, s, d, f))
+#endif
+
+#if @GNULIB_GETLINE@
+# if @REPLACE_GETLINE@
+# undef getline
+# define getline rpl_getline
+# endif
+# if !@HAVE_DECL_GETLINE@
+ /* Read up to (and including) a newline from FP into *LINEPTR (and
+ NUL-terminate it). *LINEPTR is a pointer returned from malloc (or
+ NULL), pointing to *N characters of space. It is realloc'ed as
+ necessary. Returns the number of characters read (not including
+ the null terminator), or -1 on error or EOF. */
+ extern ssize_t getline (char **, size_t *, FILE *);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getline
+# define getline(l, s, f) \
+ (GL_LINK_WARNING ("getline is unportable - " \
+ "use gnulib module getline for portability"), \
+ getline (l, s, f))
+#endif
+
#ifdef __cplusplus
}
#endif
+#endif /* _GL_STDIO_H */
#endif /* _GL_STDIO_H */
#endif
projects / pspp / blobdiff