warn-on-use: use instead of link-warning

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

diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index 8fee7f7..91b3c19 100644 (file)
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -57,8 +57,6 @@
 #endif
 
 
-/* The definition of GL_LINK_WARNING is copied here.  */
-
 /* The definition of _GL_ARG_NONNULL is copied here.  */
 
 /* The definition of _GL_WARN_ON_USE is copied here.  */
@@ -78,10 +76,10 @@ extern int dprintf (int fd, const char *format, ...)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef dprintf
-# define dprintf \
-    (GL_LINK_WARNING ("dprintf is unportable - " \
-                      "use gnulib module dprintf for portability"), \
-     dprintf)
+# if HAVE_RAW_DECL_DPRINTF
+_GL_WARN_ON_USE (dprintf, "dprintf is unportable - "
+                 "use gnulib module dprintf for portability");
+# endif
 #endif
 
 #if @GNULIB_FCLOSE@
@@ -92,11 +90,9 @@ extern int fclose (FILE *stream) _GL_ARG_NONNULL ((1));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef fclose
-# define fclose(f) \
-   (GL_LINK_WARNING ("fclose is not always POSIX compliant - " \
-                     "use gnulib module fclose for portable " \
-                     "POSIX compliance"), \
-    fclose (f))
+/* Assume fclose is always declared.  */
+_GL_WARN_ON_USE (fclose, "fclose is not always POSIX compliant - "
+                 "use gnulib module fclose for portable POSIX compliance");
 #endif
 
 #if @GNULIB_FFLUSH@
@@ -112,11 +108,9 @@ extern int fclose (FILE *stream) _GL_ARG_NONNULL ((1));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef fflush
-# define fflush(f) \
-   (GL_LINK_WARNING ("fflush is not always POSIX compliant - " \
-                     "use gnulib module fflush for portable " \
-                     "POSIX compliance"), \
-    fflush (f))
+/* Assume fflush is always declared.  */
+_GL_WARN_ON_USE (fflush, "fflush is not always POSIX compliant - "
+                 "use gnulib module fflush for portable POSIX compliance");
 #endif
 
 /* It is very rare that the developer ever has full control of stdin,
@@ -134,10 +128,9 @@ extern FILE * fopen (const char *filename, const char *mode)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef fopen
-# define fopen(f,m) \
-   (GL_LINK_WARNING ("fopen on Win32 platforms is not POSIX compatible - " \
-                     "use gnulib module fopen for portability"), \
-    fopen (f, m))
+/* Assume fopen is always declared.  */
+_GL_WARN_ON_USE (fopen, "fopen on Win32 platforms is not POSIX compatible - "
+                 "use gnulib module fopen for portability");
 #endif
 
 #if @GNULIB_FPRINTF_POSIX@
@@ -154,11 +147,10 @@ extern int fprintf (FILE *fp, const char *format, ...)
        _GL_ARG_NONNULL ((1, 2));
 #elif defined GNULIB_POSIXCHECK
 # undef fprintf
-# define fprintf \
-    (GL_LINK_WARNING ("fprintf is not always POSIX compliant - " \
-                      "use gnulib module fprintf-posix for portable " \
-                      "POSIX compliance"), \
-     fprintf)
+/* Assume fprintf is always declared.  */
+_GL_WARN_ON_USE (fprintf, "fprintf is not always POSIX compliant - "
+                 "use gnulib module fprintf-posix for portable "
+                 "POSIX compliance");
 #endif
 
 #if @GNULIB_FPURGE@
@@ -176,10 +168,10 @@ extern int fprintf (FILE *fp, const char *format, ...)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef fpurge
-# define fpurge(f) \
-   (GL_LINK_WARNING ("fpurge is not always present - " \
-                     "use gnulib module fpurge for portability"), \
-    fpurge (f))
+# if HAVE_RAW_DECL_FPURGE
+_GL_WARN_ON_USE (fpurge, "fpurge is not always present - "
+                 "use gnulib module fpurge for portability");
+# endif
 #endif
 
 #if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
@@ -203,10 +195,9 @@ extern FILE * freopen (const char *filename, const char *mode, FILE *stream)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef freopen
-# define freopen(f,m,s) \
-   (GL_LINK_WARNING ("freopen on Win32 platforms is not POSIX compatible - " \
-                     "use gnulib module freopen for portability"), \
-    freopen (f, m, s))
+/* Assume freopen is always declared.  */
+_GL_WARN_ON_USE (freopen, "freopen on Win32 platforms is not POSIX compatible - "
+                 "use gnulib module freopen for portability");
 #endif
 
 /* Set up the following warnings, based on which modules are in use.
@@ -362,10 +353,10 @@ extern ssize_t getdelim (char **lineptr, size_t *linesize, int delimiter,
 # 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))
+# if HAVE_RAW_DECL_GETDELIM
+_GL_WARN_ON_USE (getdelim, "getdelim is unportable - "
+                 "use gnulib module getdelim for portability");
+# endif
 #endif
 
 #if @GNULIB_GETLINE@
@@ -385,10 +376,10 @@ extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream)
 # 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))
+# if HAVE_RAW_DECL_GETLINE
+_GL_WARN_ON_USE (getline, "getline is unportable - "
+                 "use gnulib module getline for portability");
+# endif
 #endif
 
 #if @GNULIB_OBSTACK_PRINTF@
@@ -421,10 +412,9 @@ extern void perror (const char *string);
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef perror
-# define perror(s) \
-    (GL_LINK_WARNING ("perror is not always POSIX compliant - " \
-                      "use gnulib module perror for portability"), \
-     perror (s))
+/* Assume perror is always declared.  */
+_GL_WARN_ON_USE (perror, "perror is not always POSIX compliant - "
+                 "use gnulib module perror for portability");
 #endif
 
 #if @GNULIB_POPEN@
@@ -436,10 +426,10 @@ extern FILE *popen (const char *cmd, const char *mode)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef popen
-# define popen(c,m) \
-   (GL_LINK_WARNING ("popen is buggy on some platforms - " \
-                     "use gnulib module popen or pipe for more portability"), \
-    popen (c, m))
+# if HAVE_RAW_DECL_POPEN
+_GL_WARN_ON_USE (popen, "popen is buggy on some platforms - "
+                 "use gnulib module popen or pipe for more portability");
+# endif
 #endif
 
 #if @GNULIB_PRINTF_POSIX@
@@ -456,18 +446,10 @@ extern int printf (const char *format, ...)
        __attribute__ ((__format__ (__printf__, 1, 2))) _GL_ARG_NONNULL ((1));
 #elif defined GNULIB_POSIXCHECK
 # undef printf
-# define printf \
-    (GL_LINK_WARNING ("printf is not always POSIX compliant - " \
-                      "use gnulib module printf-posix for portable " \
-                      "POSIX compliance"), \
-     printf)
-/* Don't break __attribute__((format(printf,M,N))).  */
-# define format(kind,m,n) format (__##kind##__, m, n)
-# define __format__(kind,m,n) __format__ (__##kind##__, m, n)
-# define ____printf____ __printf__
-# define ____scanf____ __scanf__
-# define ____strftime____ __strftime__
-# define ____strfmon____ __strfmon__
+/* Assume printf is always declared.  */
+_GL_WARN_ON_USE (printf, "printf is not always POSIX compliant - "
+                 "use gnulib module printf-posix for portable "
+                 "POSIX compliance");
 #endif
 
 #if @GNULIB_PUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
@@ -496,10 +478,9 @@ extern int remove (const char *name) _GL_ARG_NONNULL ((1));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef remove
-# define remove(n)                                         \
-   (GL_LINK_WARNING ("remove cannot handle directories on some platforms - " \
-                     "use gnulib module remove for more portability"), \
-    remove (n))
+/* Assume remove is always declared.  */
+_GL_WARN_ON_USE (remove, "remove cannot handle directories on some platforms - "
+                 "use gnulib module remove for more portability");
 #endif
 
 #if @GNULIB_RENAME@
@@ -511,10 +492,9 @@ extern int rename (const char *old_filename, const char *new_filename)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef rename
-# define rename(o,n)                                       \
-   (GL_LINK_WARNING ("rename is buggy on some platforms - " \
-                     "use gnulib module rename for more portability"), \
-    rename (o, n))
+/* Assume rename is always declared.  */
+_GL_WARN_ON_USE (rename, "rename is buggy on some platforms - "
+                 "use gnulib module rename for more portability");
 #endif
 
 #if @GNULIB_RENAMEAT@
@@ -528,10 +508,10 @@ extern int renameat (int fd1, char const *file1, int fd2, char const *file2)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef renameat
-# define renameat(d1,f1,d2,f2)             \
-    (GL_LINK_WARNING ("renameat is not portable - " \
-                      "use gnulib module renameat for portability"), \
-     renameat (d1, f1, d2, f2))
+# if HAVE_RAW_DECL_RENAMEAT
+_GL_WARN_ON_USE (renameat, "renameat is not portable - "
+                 "use gnulib module renameat for portability");
+# endif
 #endif
 
 #if @GNULIB_SNPRINTF@
@@ -545,10 +525,10 @@ extern int snprintf (char *str, size_t size, const char *format, ...)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef snprintf
-# define snprintf \
-    (GL_LINK_WARNING ("snprintf is unportable - " \
-                      "use gnulib module snprintf for portability"), \
-     snprintf)
+# if HAVE_RAW_DECL_SNPRINTF
+_GL_WARN_ON_USE (snprintf, "snprintf is unportable - "
+                 "use gnulib module snprintf for portability");
+# endif
 #endif
 
 /* Some people would argue that sprintf should be handled like gets
@@ -569,11 +549,10 @@ extern int sprintf (char *str, const char *format, ...)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef sprintf
-# define sprintf \
-    (GL_LINK_WARNING ("sprintf is not always POSIX compliant - " \
-                      "use gnulib module sprintf-posix for portable " \
-                      "POSIX compliance"), \
-     sprintf)
+/* Assume sprintf is always declared.  */
+_GL_WARN_ON_USE (sprintf, "sprintf is not always POSIX compliant - "
+                 "use gnulib module sprintf-posix for portable "
+                 "POSIX compliance");
 #endif
 
 #if @GNULIB_VASPRINTF@
@@ -603,10 +582,10 @@ extern int vdprintf (int fd, const char *format, va_list args)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef vdprintf
-# define vdprintf(d,f,a) \
-    (GL_LINK_WARNING ("vdprintf is unportable - " \
-                      "use gnulib module vdprintf for portability"), \
-     vdprintf (d, f, a))
+# if HAVE_RAW_DECL_VDPRINTF
+_GL_WARN_ON_USE (vdprintf, "vdprintf is unportable - "
+                 "use gnulib module vdprintf for portability");
+# endif
 #endif
 
 #if @GNULIB_VFPRINTF_POSIX@
@@ -623,11 +602,10 @@ extern int vfprintf (FILE *fp, const char *format, va_list args)
        _GL_ARG_NONNULL ((1, 2));
 #elif defined GNULIB_POSIXCHECK
 # undef vfprintf
-# define vfprintf(s,f,a) \
-    (GL_LINK_WARNING ("vfprintf is not always POSIX compliant - " \
-                      "use gnulib module vfprintf-posix for portable " \
-                      "POSIX compliance"), \
-     vfprintf (s, f, a))
+/* Assume vfprintf is always declared.  */
+_GL_WARN_ON_USE (vfprintf, "vfprintf is not always POSIX compliant - "
+                 "use gnulib module vfprintf-posix for portable "
+                      "POSIX compliance");
 #endif
 
 #if @GNULIB_VPRINTF_POSIX@
@@ -642,11 +620,10 @@ extern int vprintf (const char *format, va_list args)
        __attribute__ ((__format__ (__printf__, 1, 0))) _GL_ARG_NONNULL ((1));
 #elif defined GNULIB_POSIXCHECK
 # undef vprintf
-# define vprintf(f,a) \
-    (GL_LINK_WARNING ("vprintf is not always POSIX compliant - " \
-                      "use gnulib module vprintf-posix for portable " \
-                      "POSIX compliance"), \
-     vprintf (f, a))
+/* Assume vprintf is always declared.  */
+_GL_WARN_ON_USE (vprintf, "vprintf is not always POSIX compliant - "
+                 "use gnulib module vprintf-posix for portable "
+                 "POSIX compliance");
 #endif
 
 #if @GNULIB_VSNPRINTF@
@@ -660,10 +637,10 @@ extern int vsnprintf (char *str, size_t size, const char *format, va_list args)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef vsnprintf
-# define vsnprintf(b,s,f,a) \
-    (GL_LINK_WARNING ("vsnprintf is unportable - " \
-                      "use gnulib module vsnprintf for portability"), \
-     vsnprintf (b, s, f, a))
+# if HAVE_RAW_DECL_VSNPRINTF
+_GL_WARN_ON_USE (vsnprintf, "vsnprintf is unportable - "
+                 "use gnulib module vsnprintf for portability");
+# endif
 #endif
 
 #if @GNULIB_VSPRINTF_POSIX@
@@ -675,11 +652,10 @@ extern int vsprintf (char *str, const char *format, va_list args)
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef vsprintf
-# define vsprintf(b,f,a) \
-    (GL_LINK_WARNING ("vsprintf is not always POSIX compliant - " \
-                      "use gnulib module vsprintf-posix for portable " \
-                      "POSIX compliance"), \
-     vsprintf (b, f, a))
+/* Assume vsprintf is always declared.  */
+_GL_WARN_ON_USE (vsprintf, "vsprintf is not always POSIX compliant - "
+                 "use gnulib module vsprintf-posix for portable "
+                      "POSIX compliance");
 #endif
 
 #ifdef __cplusplus