X-Git-Url: https://git.gag.com/?p=debian%2Famanda;a=blobdiff_plain;f=gnulib%2Fstdio.in.h;h=80b9dbfda341628f7db7e77b4697620a4eb5dd27;hp=ba63f2cc1e946b1430b8d2621bc18b83e00eeff8;hb=b116e9366c7b2ea2c2eb53b0a13df4090e176235;hpb=fd48f3e498442f0cbff5f3606c7c403d0566150e diff --git a/gnulib/stdio.in.h b/gnulib/stdio.in.h index ba63f2c..80b9dbf 100644 --- a/gnulib/stdio.in.h +++ b/gnulib/stdio.in.h @@ -1,10 +1,10 @@ /* A GNU-like . - Copyright (C) 2004, 2007-2008 Free Software Foundation, Inc. + Copyright (C) 2004, 2007-2010 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) + the Free Software Foundation; either version 3, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -36,489 +36,1036 @@ #ifndef _GL_STDIO_H #define _GL_STDIO_H +/* Get va_list. Needed on many systems, including glibc 2.8. */ #include + #include -#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 -#endif +/* Get off_t and ssize_t. Needed on many systems, including glibc 2.8. */ +#include #ifndef __attribute__ -/* This feature is available in gcc versions 2.5 and later. */ -# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) -# define __attribute__(Spec) /* empty */ -# endif -/* The __-protected variants of `format' and `printf' attributes - are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ +/* The __attribute__ feature is available in gcc versions 2.5 and later. + The __-protected variants of the attributes 'format' and 'printf' are + accepted by gcc versions 2.6.4 (effectively 2.7) and later. + We enable __attribute__ only if these are supported too, because + gnulib and libintl do '#define printf __printf__' when they override + the 'printf' function. */ # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) -# define __format__ format -# define __printf__ printf +# define __attribute__(Spec) /* empty */ # endif #endif -/* The definition of GL_LINK_WARNING is copied here. */ +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ +/* The definition of _GL_ARG_NONNULL is copied here. */ -#ifdef __cplusplus -extern "C" { -#endif +/* The definition of _GL_WARN_ON_USE is copied here. */ + +/* Macros for stringification. */ +#define _GL_STDIO_STRINGIZE(token) #token +#define _GL_STDIO_MACROEXPAND_AND_STRINGIZE(token) _GL_STDIO_STRINGIZE(token) -#if @GNULIB_FPRINTF_POSIX@ -# if @REPLACE_FPRINTF@ -# define fprintf rpl_fprintf -extern int fprintf (FILE *fp, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); +#if @GNULIB_DPRINTF@ +# if @REPLACE_DPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define dprintf rpl_dprintf +# endif +_GL_FUNCDECL_RPL (dprintf, int, (int fd, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (dprintf, int, (int fd, const char *format, ...)); +# else +# if !@HAVE_DPRINTF@ +_GL_FUNCDECL_SYS (dprintf, int, (int fd, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (dprintf, int, (int fd, const char *format, ...)); # endif -#elif @GNULIB_FPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# define fprintf rpl_fprintf -extern int fprintf (FILE *fp, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); +_GL_CXXALIASWARN (dprintf); #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) -#endif - -#if @GNULIB_VFPRINTF_POSIX@ -# if @REPLACE_VFPRINTF@ -# define vfprintf rpl_vfprintf -extern int vfprintf (FILE *fp, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); -# endif -#elif @GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# define vfprintf rpl_vfprintf -extern int vfprintf (FILE *fp, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); +# undef 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@ +/* Close STREAM and its underlying file descriptor. */ +# if @REPLACE_FCLOSE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define fclose rpl_fclose +# endif +_GL_FUNCDECL_RPL (fclose, int, (FILE *stream) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (fclose, int, (FILE *stream)); +# else +_GL_CXXALIAS_SYS (fclose, int, (FILE *stream)); +# endif +_GL_CXXALIASWARN (fclose); #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)) +# undef fclose +/* 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_PRINTF_POSIX@ -# if @REPLACE_PRINTF@ -/* Don't break __attribute__((format(printf,M,N))). */ -# define printf __printf__ -extern int printf (const char *format, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); +#if @GNULIB_FFLUSH@ +/* Flush all pending data on STREAM according to POSIX rules. Both + 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). */ +# if @REPLACE_FFLUSH@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define fflush rpl_fflush +# endif +_GL_FUNCDECL_RPL (fflush, int, (FILE *gl_stream)); +_GL_CXXALIAS_RPL (fflush, int, (FILE *gl_stream)); +# else +_GL_CXXALIAS_SYS (fflush, int, (FILE *gl_stream)); # endif -#elif @GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -/* Don't break __attribute__((format(printf,M,N))). */ -# define printf __printf__ -extern int printf (const char *format, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); +_GL_CXXALIASWARN (fflush); #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__ -#endif - -#if @GNULIB_VPRINTF_POSIX@ -# if @REPLACE_VPRINTF@ -# define vprintf rpl_vprintf -extern int vprintf (const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 1, 0))); -# endif -#elif @GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# define vprintf rpl_vprintf -extern int vprintf (const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 1, 0))); +# undef fflush +/* 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, + so any use of gets warrants an unconditional warning. Assume it is + always declared, since it is required by C89. */ +#undef gets +_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead"); + +#if @GNULIB_FOPEN@ +# if @REPLACE_FOPEN@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fopen +# define fopen rpl_fopen +# endif +_GL_FUNCDECL_RPL (fopen, FILE *, (const char *filename, const char *mode) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (fopen, FILE *, (const char *filename, const char *mode)); +# else +_GL_CXXALIAS_SYS (fopen, FILE *, (const char *filename, const char *mode)); +# endif +_GL_CXXALIASWARN (fopen); #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)) +# undef fopen +/* 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_SNPRINTF@ -# if @REPLACE_SNPRINTF@ -# define snprintf rpl_snprintf +#if @GNULIB_FPRINTF_POSIX@ || @GNULIB_FPRINTF@ +# if (@GNULIB_FPRINTF_POSIX@ && @REPLACE_FPRINTF@) \ + || (@GNULIB_FPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@) +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define fprintf rpl_fprintf +# endif +# define GNULIB_overrides_fprintf 1 +_GL_FUNCDECL_RPL (fprintf, int, (FILE *fp, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (fprintf, int, (FILE *fp, const char *format, ...)); +# else +_GL_CXXALIAS_SYS (fprintf, int, (FILE *fp, const char *format, ...)); +# endif +_GL_CXXALIASWARN (fprintf); +#endif +#if !@GNULIB_FPRINTF_POSIX@ && defined GNULIB_POSIXCHECK +# if !GNULIB_overrides_fprintf +# undef fprintf # endif -# if @REPLACE_SNPRINTF@ || !@HAVE_DECL_SNPRINTF@ -extern int snprintf (char *str, size_t size, const char *format, ...) - __attribute__ ((__format__ (__printf__, 3, 4))); +/* 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@ +/* Discard all pending buffered I/O data on STREAM. + STREAM must not be wide-character oriented. + When discarding pending output, the file position is set back to where it + was before the write calls. When discarding pending input, the file + position is advanced to match the end of the previously read input. + Return 0 if successful. Upon error, return -1 and set errno. */ +# if @REPLACE_FPURGE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define fpurge rpl_fpurge +# endif +_GL_FUNCDECL_RPL (fpurge, int, (FILE *gl_stream) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (fpurge, int, (FILE *gl_stream)); +# else +# if !@HAVE_DECL_FPURGE@ +_GL_FUNCDECL_SYS (fpurge, int, (FILE *gl_stream) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (fpurge, int, (FILE *gl_stream)); # endif +_GL_CXXALIASWARN (fpurge); #elif defined GNULIB_POSIXCHECK -# undef snprintf -# define snprintf \ - (GL_LINK_WARNING ("snprintf is unportable - " \ - "use gnulib module snprintf for portability"), \ - snprintf) +# undef fpurge +# 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_VSNPRINTF@ -# if @REPLACE_VSNPRINTF@ -# define vsnprintf rpl_vsnprintf +#if @GNULIB_FPUTC@ +# if @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fputc +# define fputc rpl_fputc +# endif +_GL_FUNCDECL_RPL (fputc, int, (int c, FILE *stream) _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (fputc, int, (int c, FILE *stream)); +# else +_GL_CXXALIAS_SYS (fputc, int, (int c, FILE *stream)); # endif -# if @REPLACE_VSNPRINTF@ || !@HAVE_DECL_VSNPRINTF@ -extern int vsnprintf (char *str, size_t size, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 3, 0))); +_GL_CXXALIASWARN (fputc); +#endif + +#if @GNULIB_FPUTS@ +# if @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fputs +# define fputs rpl_fputs +# endif +_GL_FUNCDECL_RPL (fputs, int, (const char *string, FILE *stream) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (fputs, int, (const char *string, FILE *stream)); +# else +_GL_CXXALIAS_SYS (fputs, int, (const char *string, FILE *stream)); # 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)) +_GL_CXXALIASWARN (fputs); #endif -#if @GNULIB_SPRINTF_POSIX@ -# if @REPLACE_SPRINTF@ -# define sprintf rpl_sprintf -extern int sprintf (char *str, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); +#if @GNULIB_FREOPEN@ +# if @REPLACE_FREOPEN@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef freopen +# define freopen rpl_freopen +# endif +_GL_FUNCDECL_RPL (freopen, FILE *, + (const char *filename, const char *mode, FILE *stream) + _GL_ARG_NONNULL ((2, 3))); +_GL_CXXALIAS_RPL (freopen, FILE *, + (const char *filename, const char *mode, FILE *stream)); +# else +_GL_CXXALIAS_SYS (freopen, FILE *, + (const char *filename, const char *mode, FILE *stream)); # endif +_GL_CXXALIASWARN (freopen); #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) +# undef freopen +/* 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 -#if @GNULIB_VSPRINTF_POSIX@ -# if @REPLACE_VSPRINTF@ -# define vsprintf rpl_vsprintf -extern int vsprintf (char *str, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); + +/* Set up the following warnings, based on which modules are in use. + GNU Coding Standards discourage the use of fseek, since it imposes + an arbitrary limitation on some 32-bit hosts. Remember that the + fseek module depends on the fseeko module, so we only have three + cases to consider: + + 1. The developer is not using either module. Issue a warning under + GNULIB_POSIXCHECK for both functions, to remind them that both + functions have bugs on some systems. _GL_NO_LARGE_FILES has no + impact on this warning. + + 2. The developer is using both modules. They may be unaware of the + arbitrary limitations of fseek, so issue a warning under + GNULIB_POSIXCHECK. On the other hand, they may be using both + modules intentionally, so the developer can define + _GL_NO_LARGE_FILES in the compilation units where the use of fseek + is safe, to silence the warning. + + 3. The developer is using the fseeko module, but not fseek. Gnulib + guarantees that fseek will still work around platform bugs in that + case, but we presume that the developer is aware of the pitfalls of + fseek and was trying to avoid it, so issue a warning even when + GNULIB_POSIXCHECK is undefined. Again, _GL_NO_LARGE_FILES can be + defined to silence the warning in particular compilation units. + In C++ compilations with GNULIB_NAMESPACE, in order to avoid that + fseek gets defined as a macro, it is recommended that the developer + uses the fseek module, even if he is not calling the fseek function. + + Most gnulib clients that perform stream operations should fall into + category 3. */ + +#if @GNULIB_FSEEK@ +# if defined GNULIB_POSIXCHECK && !defined _GL_NO_LARGE_FILES +# define _GL_FSEEK_WARN /* Category 2, above. */ +# undef fseek +# endif +# if @REPLACE_FSEEK@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fseek +# define fseek rpl_fseek +# endif +_GL_FUNCDECL_RPL (fseek, int, (FILE *fp, long offset, int whence) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (fseek, int, (FILE *fp, long offset, int whence)); +# else +_GL_CXXALIAS_SYS (fseek, int, (FILE *fp, long offset, int whence)); +# endif +_GL_CXXALIASWARN (fseek); +#endif + +#if @GNULIB_FSEEKO@ +# if !@GNULIB_FSEEK@ && !defined _GL_NO_LARGE_FILES +# define _GL_FSEEK_WARN /* Category 3, above. */ +# undef fseek +# endif +# if @REPLACE_FSEEKO@ +/* Provide an fseeko function that is aware of a preceding fflush(), and which + detects pipes. */ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fseeko +# define fseeko rpl_fseeko +# endif +_GL_FUNCDECL_RPL (fseeko, int, (FILE *fp, off_t offset, int whence) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (fseeko, int, (FILE *fp, off_t offset, int whence)); +# else +# if ! @HAVE_FSEEKO@ +_GL_FUNCDECL_SYS (fseeko, int, (FILE *fp, off_t offset, int whence) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (fseeko, int, (FILE *fp, off_t offset, int whence)); +# endif +_GL_CXXALIASWARN (fseeko); +# if (@REPLACE_FSEEKO@ || !@HAVE_FSEEKO@) && !@GNULIB_FSEEK@ + /* Provide an fseek function that is consistent with fseeko. */ + /* In order to avoid that fseek gets defined as a macro here, the + developer can request the 'fseek' module. */ +# undef fseek +# define fseek rpl_fseek +static inline int _GL_ARG_NONNULL ((1)) +rpl_fseek (FILE *fp, long offset, int whence) +{ +# if @REPLACE_FSEEKO@ + return rpl_fseeko (fp, offset, whence); +# else + return fseeko (fp, offset, whence); +# endif +} # 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)) +# define _GL_FSEEK_WARN /* Category 1, above. */ +# undef fseek +# undef fseeko +# if HAVE_RAW_DECL_FSEEKO +_GL_WARN_ON_USE (fseeko, "fseeko is unportable - " + "use gnulib module fseeko for portability"); +# endif #endif -#if @GNULIB_DPRINTF@ -# if @REPLACE_DPRINTF@ -# define dprintf rpl_dprintf +#ifdef _GL_FSEEK_WARN +# undef _GL_FSEEK_WARN +/* Here, either fseek is undefined (but C89 guarantees that it is + declared), or it is defined as rpl_fseek (declared above). */ +_GL_WARN_ON_USE (fseek, "fseek cannot handle files larger than 4 GB " + "on 32-bit platforms - " + "use fseeko function for handling of large files"); +#endif + + +/* ftell, ftello. See the comments on fseek/fseeko. */ + +#if @GNULIB_FTELL@ +# if defined GNULIB_POSIXCHECK && !defined _GL_NO_LARGE_FILES +# define _GL_FTELL_WARN /* Category 2, above. */ +# undef ftell +# endif +# if @REPLACE_FTELL@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ftell +# define ftell rpl_ftell +# endif +_GL_FUNCDECL_RPL (ftell, long, (FILE *fp) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (ftell, long, (FILE *fp)); +# else +_GL_CXXALIAS_SYS (ftell, long, (FILE *fp)); +# endif +_GL_CXXALIASWARN (ftell); +#endif + +#if @GNULIB_FTELLO@ +# if !@GNULIB_FTELL@ && !defined _GL_NO_LARGE_FILES +# define _GL_FTELL_WARN /* Category 3, above. */ +# undef ftell +# endif +# if @REPLACE_FTELLO@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ftello +# define ftello rpl_ftello +# endif +_GL_FUNCDECL_RPL (ftello, off_t, (FILE *fp) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (ftello, off_t, (FILE *fp)); +# else +# if ! @HAVE_FTELLO@ +_GL_FUNCDECL_SYS (ftello, off_t, (FILE *fp) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (ftello, off_t, (FILE *fp)); # endif -# if @REPLACE_DPRINTF@ || !@HAVE_DPRINTF@ -extern int dprintf (int fd, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); +_GL_CXXALIASWARN (ftello); +# if (@REPLACE_FTELLO@ || !@HAVE_FTELLO@) && !@GNULIB_FTELL@ + /* Provide an ftell function that is consistent with ftello. */ + /* In order to avoid that ftell gets defined as a macro here, the + developer can request the 'ftell' module. */ +# undef ftell +# define ftell rpl_ftell +static inline long _GL_ARG_NONNULL ((1)) +rpl_ftell (FILE *f) +{ +# if @REPLACE_FTELLO@ + return rpl_ftello (f); +# else + return ftello (f); +# endif +} # endif #elif defined GNULIB_POSIXCHECK -# undef dprintf -# define dprintf(d,f,a) \ - (GL_LINK_WARNING ("dprintf is unportable - " \ - "use gnulib module dprintf for portability"), \ - dprintf (d, f, a)) +# define _GL_FTELL_WARN /* Category 1, above. */ +# undef ftell +# undef ftello +# if HAVE_RAW_DECL_FTELLO +_GL_WARN_ON_USE (ftello, "ftello is unportable - " + "use gnulib module ftello for portability"); +# endif #endif -#if @GNULIB_VDPRINTF@ -# if @REPLACE_VDPRINTF@ -# define vdprintf rpl_vdprintf +#ifdef _GL_FTELL_WARN +# undef _GL_FTELL_WARN +/* Here, either ftell is undefined (but C89 guarantees that it is + declared), or it is defined as rpl_ftell (declared above). */ +_GL_WARN_ON_USE (ftell, "ftell cannot handle files larger than 4 GB " + "on 32-bit platforms - " + "use ftello function for handling of large files"); +#endif + + +#if @GNULIB_FWRITE@ +# if @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fwrite +# define fwrite rpl_fwrite +# endif +_GL_FUNCDECL_RPL (fwrite, size_t, + (const void *ptr, size_t s, size_t n, FILE *stream) + _GL_ARG_NONNULL ((1, 4))); +_GL_CXXALIAS_RPL (fwrite, size_t, + (const void *ptr, size_t s, size_t n, FILE *stream)); +# else +_GL_CXXALIAS_SYS (fwrite, size_t, + (const void *ptr, size_t s, size_t n, FILE *stream)); # endif -# if @REPLACE_VDPRINTF@ || !@HAVE_VDPRINTF@ -extern int vdprintf (int fd, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); +_GL_CXXALIASWARN (fwrite); +#endif + +#if @GNULIB_GETDELIM@ +/* Read input, up to (and including) the next occurrence of DELIMITER, from + STREAM, store it in *LINEPTR (and NUL-terminate it). + *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE + bytes of space. It is realloc'd as necessary. + Return the number of bytes read and stored at *LINEPTR (not including the + NUL terminator), or -1 on error or EOF. */ +# if @REPLACE_GETDELIM@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef getdelim +# define getdelim rpl_getdelim +# endif +_GL_FUNCDECL_RPL (getdelim, ssize_t, + (char **lineptr, size_t *linesize, int delimiter, + FILE *stream) + _GL_ARG_NONNULL ((1, 2, 4))); +_GL_CXXALIAS_RPL (getdelim, ssize_t, + (char **lineptr, size_t *linesize, int delimiter, + FILE *stream)); +# else +# if !@HAVE_DECL_GETDELIM@ +_GL_FUNCDECL_SYS (getdelim, ssize_t, + (char **lineptr, size_t *linesize, int delimiter, + FILE *stream) + _GL_ARG_NONNULL ((1, 2, 4))); +# endif +_GL_CXXALIAS_SYS (getdelim, ssize_t, + (char **lineptr, size_t *linesize, int delimiter, + FILE *stream)); # endif +_GL_CXXALIASWARN (getdelim); #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)) +# undef getdelim +# if HAVE_RAW_DECL_GETDELIM +_GL_WARN_ON_USE (getdelim, "getdelim is unportable - " + "use gnulib module getdelim for portability"); +# endif #endif -#if @GNULIB_VASPRINTF@ -# if @REPLACE_VASPRINTF@ -# define asprintf rpl_asprintf -# define vasprintf rpl_vasprintf +#if @GNULIB_GETLINE@ +/* Read a line, up to (and including) the next newline, from STREAM, store it + in *LINEPTR (and NUL-terminate it). + *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE + bytes of space. It is realloc'd as necessary. + Return the number of bytes read and stored at *LINEPTR (not including the + NUL terminator), or -1 on error or EOF. */ +# if @REPLACE_GETLINE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef getline +# define getline rpl_getline +# endif +_GL_FUNCDECL_RPL (getline, ssize_t, + (char **lineptr, size_t *linesize, FILE *stream) + _GL_ARG_NONNULL ((1, 2, 3))); +_GL_CXXALIAS_RPL (getline, ssize_t, + (char **lineptr, size_t *linesize, FILE *stream)); +# else +# if !@HAVE_DECL_GETLINE@ +_GL_FUNCDECL_SYS (getline, ssize_t, + (char **lineptr, size_t *linesize, FILE *stream) + _GL_ARG_NONNULL ((1, 2, 3))); +# endif +_GL_CXXALIAS_SYS (getline, ssize_t, + (char **lineptr, size_t *linesize, FILE *stream)); +# endif +# if @HAVE_DECL_GETLINE@ +_GL_CXXALIASWARN (getline); # endif -# if @REPLACE_VASPRINTF@ || !@HAVE_VASPRINTF@ - /* Write formatted output to a string dynamically allocated with malloc(). - If the memory allocation succeeds, store the address of the string in - *RESULT and return the number of resulting bytes, excluding the trailing - NUL. Upon memory allocation error, or some other error, return -1. */ - extern int asprintf (char **result, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); - extern int vasprintf (char **result, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); +#elif defined GNULIB_POSIXCHECK +# undef getline +# 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@ +#if @GNULIB_OBSTACK_PRINTF@ || @GNULIB_OBSTACK_PRINTF_POSIX@ +struct obstack; +/* Grow an obstack with formatted output. Return the number of + bytes added to OBS. No trailing nul byte is added, and the + object should be closed with obstack_finish before use. Upon + memory allocation error, call obstack_alloc_failed_handler. Upon + other error, return -1. */ # if @REPLACE_OBSTACK_PRINTF@ -# define obstack_printf rpl_osbtack_printf -# define obstack_vprintf rpl_obstack_vprintf +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define obstack_printf rpl_obstack_printf +# endif +_GL_FUNCDECL_RPL (obstack_printf, int, + (struct obstack *obs, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (obstack_printf, int, + (struct obstack *obs, const char *format, ...)); +# else +# if !@HAVE_DECL_OBSTACK_PRINTF@ +_GL_FUNCDECL_SYS (obstack_printf, int, + (struct obstack *obs, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (obstack_printf, int, + (struct obstack *obs, const char *format, ...)); # endif -# if @REPLACE_OBSTACK_PRINTF@ || !@HAVE_DECL_OBSTACK_PRINTF@ - struct obstack; - /* Grow an obstack with formatted output. Return the number of - bytes added to OBS. No trailing nul byte is added, and the - object should be closed with obstack_finish before use. Upon - memory allocation error, call obstack_alloc_failed_handler. Upon - other error, return -1. */ - extern int obstack_printf (struct obstack *obs, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); - extern int obstack_vprintf (struct obstack *obs, const char *format, - va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); +_GL_CXXALIASWARN (obstack_printf); +# if @REPLACE_OBSTACK_PRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define obstack_vprintf rpl_obstack_vprintf +# endif +_GL_FUNCDECL_RPL (obstack_vprintf, int, + (struct obstack *obs, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (obstack_vprintf, int, + (struct obstack *obs, const char *format, va_list args)); +# else +# if !@HAVE_DECL_OBSTACK_PRINTF@ +_GL_FUNCDECL_SYS (obstack_vprintf, int, + (struct obstack *obs, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (obstack_vprintf, int, + (struct obstack *obs, const char *format, va_list args)); # endif +_GL_CXXALIASWARN (obstack_vprintf); #endif -#if @GNULIB_FOPEN@ -# if @REPLACE_FOPEN@ -# undef fopen -# define fopen rpl_fopen -extern FILE * fopen (const char *filename, const char *mode); +#if @GNULIB_PERROR@ +/* Print a message to standard error, describing the value of ERRNO, + (if STRING is not NULL and not empty) prefixed with STRING and ": ", + and terminated with a newline. */ +# if @REPLACE_PERROR@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define perror rpl_perror +# endif +_GL_FUNCDECL_RPL (perror, void, (const char *string)); +_GL_CXXALIAS_RPL (perror, void, (const char *string)); +# else +_GL_CXXALIAS_SYS (perror, void, (const char *string)); # endif +_GL_CXXALIASWARN (perror); #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)) +# undef perror +/* 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_FREOPEN@ -# if @REPLACE_FREOPEN@ -# undef freopen -# define freopen rpl_freopen -extern FILE * freopen (const char *filename, const char *mode, FILE *stream); +#if @GNULIB_POPEN@ +# if @REPLACE_POPEN@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef popen +# define popen rpl_popen +# endif +_GL_FUNCDECL_RPL (popen, FILE *, (const char *cmd, const char *mode) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (popen, FILE *, (const char *cmd, const char *mode)); +# else +_GL_CXXALIAS_SYS (popen, FILE *, (const char *cmd, const char *mode)); # endif +_GL_CXXALIASWARN (popen); #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)) +# undef popen +# 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_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) +#if @GNULIB_PRINTF_POSIX@ || @GNULIB_PRINTF@ +# if (@GNULIB_PRINTF_POSIX@ && @REPLACE_PRINTF@) \ + || (@GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@) +# if defined __GNUC__ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +/* Don't break __attribute__((format(printf,M,N))). */ +# define printf __printf__ +# endif +_GL_FUNCDECL_RPL_1 (__printf__, int, + (const char *format, ...) + __asm__ (@ASM_SYMBOL_PREFIX@ + _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf)) + __attribute__ ((__format__ (__printf__, 1, 2))) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL_1 (printf, __printf__, int, (const char *format, ...)); +# else +_GL_FUNCDECL_RPL (printf, int, + (const char *format, ...) + __attribute__ ((__format__ (__printf__, 1, 2))) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (printf, int, (const char *format, ...)); +# endif +# define GNULIB_overrides_printf 1 +# else +_GL_CXXALIAS_SYS (printf, int, (const char *format, ...)); # endif -#elif defined GNULIB_POSIXCHECK -# undef fseeko -# define fseeko(f,o,w) \ - (GL_LINK_WARNING ("fseeko is unportable - " \ - "use gnulib module fseeko for portability"), \ - fseeko (f, o, w)) +_GL_CXXALIASWARN (printf); +#endif +#if !@GNULIB_PRINTF_POSIX@ && defined GNULIB_POSIXCHECK +# if !GNULIB_overrides_printf +# undef printf +# endif +/* 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_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)) +#if @GNULIB_PUTC@ +# if @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef putc +# define putc rpl_fputc +# endif +_GL_FUNCDECL_RPL (fputc, int, (int c, FILE *stream) _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL_1 (putc, rpl_fputc, int, (int c, FILE *stream)); # else -# define fseek rpl_fseek +_GL_CXXALIAS_SYS (putc, int, (int c, FILE *stream)); # endif -#elif defined GNULIB_POSIXCHECK -# ifndef 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"), \ - fseek (f, o, w)) +_GL_CXXALIASWARN (putc); +#endif + +#if @GNULIB_PUTCHAR@ +# if @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef putchar +# define putchar rpl_putchar +# endif +_GL_FUNCDECL_RPL (putchar, int, (int c)); +_GL_CXXALIAS_RPL (putchar, int, (int c)); +# else +_GL_CXXALIAS_SYS (putchar, int, (int c)); # endif +_GL_CXXALIASWARN (putchar); #endif -#if @GNULIB_FTELLO@ -# if @REPLACE_FTELLO@ -# define ftello rpl_ftello -extern off_t ftello (FILE *fp); -# define ftell(fp) ftello (fp) +#if @GNULIB_PUTS@ +# if @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef puts +# define puts rpl_puts +# endif +_GL_FUNCDECL_RPL (puts, int, (const char *string) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (puts, int, (const char *string)); +# else +_GL_CXXALIAS_SYS (puts, int, (const char *string)); # endif -#elif defined GNULIB_POSIXCHECK -# undef ftello -# define ftello(f) \ - (GL_LINK_WARNING ("ftello is unportable - " \ - "use gnulib module ftello for portability"), \ - ftello (f)) +_GL_CXXALIASWARN (puts); #endif -#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)) +#if @GNULIB_REMOVE@ +# if @REPLACE_REMOVE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef remove +# define remove rpl_remove +# endif +_GL_FUNCDECL_RPL (remove, int, (const char *name) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (remove, int, (const char *name)); # else -# define ftell rpl_ftell +_GL_CXXALIAS_SYS (remove, int, (const char *name)); # endif +_GL_CXXALIASWARN (remove); #elif defined GNULIB_POSIXCHECK -# ifndef 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"), \ - ftell (f)) -# endif +# undef remove +/* 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_FFLUSH@ -# 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. - 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); +#if @GNULIB_RENAME@ +# if @REPLACE_RENAME@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef rename +# define rename rpl_rename +# endif +_GL_FUNCDECL_RPL (rename, int, + (const char *old_filename, const char *new_filename) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (rename, int, + (const char *old_filename, const char *new_filename)); +# else +_GL_CXXALIAS_SYS (rename, int, + (const char *old_filename, const char *new_filename)); # endif +_GL_CXXALIASWARN (rename); #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)) +# undef rename +/* 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_FCLOSE@ -# if @REPLACE_FCLOSE@ -# define fclose rpl_fclose - /* Close STREAM and its underlying file descriptor. */ -extern int fclose (FILE *stream); +#if @GNULIB_RENAMEAT@ +# if @REPLACE_RENAMEAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef renameat +# define renameat rpl_renameat +# endif +_GL_FUNCDECL_RPL (renameat, int, + (int fd1, char const *file1, int fd2, char const *file2) + _GL_ARG_NONNULL ((2, 4))); +_GL_CXXALIAS_RPL (renameat, int, + (int fd1, char const *file1, int fd2, char const *file2)); +# else +# if !@HAVE_RENAMEAT@ +_GL_FUNCDECL_SYS (renameat, int, + (int fd1, char const *file1, int fd2, char const *file2) + _GL_ARG_NONNULL ((2, 4))); +# endif +_GL_CXXALIAS_SYS (renameat, int, + (int fd1, char const *file1, int fd2, char const *file2)); # endif +_GL_CXXALIASWARN (renameat); #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)) +# undef renameat +# if HAVE_RAW_DECL_RENAMEAT +_GL_WARN_ON_USE (renameat, "renameat is not portable - " + "use gnulib module renameat for portability"); +# endif #endif -#if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# undef fputc -# define fputc rpl_fputc -extern int fputc (int c, FILE *stream); +#if @GNULIB_SNPRINTF@ +# if @REPLACE_SNPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define snprintf rpl_snprintf +# endif +_GL_FUNCDECL_RPL (snprintf, int, + (char *str, size_t size, const char *format, ...) + __attribute__ ((__format__ (__printf__, 3, 4))) + _GL_ARG_NONNULL ((3))); +_GL_CXXALIAS_RPL (snprintf, int, + (char *str, size_t size, const char *format, ...)); +# else +# if !@HAVE_DECL_SNPRINTF@ +_GL_FUNCDECL_SYS (snprintf, int, + (char *str, size_t size, const char *format, ...) + __attribute__ ((__format__ (__printf__, 3, 4))) + _GL_ARG_NONNULL ((3))); +# endif +_GL_CXXALIAS_SYS (snprintf, int, + (char *str, size_t size, const char *format, ...)); +# endif +_GL_CXXALIASWARN (snprintf); +#elif defined GNULIB_POSIXCHECK +# undef snprintf +# if HAVE_RAW_DECL_SNPRINTF +_GL_WARN_ON_USE (snprintf, "snprintf is unportable - " + "use gnulib module snprintf for portability"); +# endif #endif -#if @GNULIB_PUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# undef putc -# define putc rpl_fputc -extern int putc (int c, FILE *stream); -#endif +/* Some people would argue that sprintf should be handled like gets + (for example, OpenBSD issues a link warning for both functions), + since both can cause security holes due to buffer overruns. + However, we believe that sprintf can be used safely, and is more + efficient than snprintf in those safe cases; and as proof of our + belief, we use sprintf in several gnulib modules. So this header + intentionally avoids adding a warning to sprintf except when + GNULIB_POSIXCHECK is defined. */ -#if @GNULIB_PUTCHAR@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# undef putchar -# define putchar rpl_putchar -extern int putchar (int c); +#if @GNULIB_SPRINTF_POSIX@ +# if @REPLACE_SPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define sprintf rpl_sprintf +# endif +_GL_FUNCDECL_RPL (sprintf, int, (char *str, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (sprintf, int, (char *str, const char *format, ...)); +# else +_GL_CXXALIAS_SYS (sprintf, int, (char *str, const char *format, ...)); +# endif +_GL_CXXALIASWARN (sprintf); +#elif defined GNULIB_POSIXCHECK +# undef 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_FPUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# undef fputs -# define fputs rpl_fputs -extern int fputs (const char *string, FILE *stream); +#if @GNULIB_TMPFILE@ +# if @REPLACE_TMPFILE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define tmpfile rpl_tmpfile +# endif +_GL_FUNCDECL_RPL (tmpfile, FILE *, (void)); +_GL_CXXALIAS_RPL (tmpfile, FILE *, (void)); +# else +_GL_CXXALIAS_SYS (tmpfile, FILE *, (void)); +# endif +_GL_CXXALIASWARN (tmpfile); +#elif defined GNULIB_POSIXCHECK +# undef tmpfile +# if HAVE_RAW_DECL_TMPFILE +_GL_WARN_ON_USE (tmpfile, "tmpfile is not usable on mingw - " + "use gnulib module tmpfile for portability"); +# endif #endif -#if @GNULIB_PUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# undef puts -# define puts rpl_puts -extern int puts (const char *string); +#if @GNULIB_VASPRINTF@ +/* Write formatted output to a string dynamically allocated with malloc(). + If the memory allocation succeeds, store the address of the string in + *RESULT and return the number of resulting bytes, excluding the trailing + NUL. Upon memory allocation error, or some other error, return -1. */ +# if @REPLACE_VASPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define asprintf rpl_asprintf +# endif +_GL_FUNCDECL_RPL (asprintf, int, + (char **result, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (asprintf, int, + (char **result, const char *format, ...)); +# else +# if !@HAVE_VASPRINTF@ +_GL_FUNCDECL_SYS (asprintf, int, + (char **result, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (asprintf, int, + (char **result, const char *format, ...)); +# endif +_GL_CXXALIASWARN (asprintf); +# if @REPLACE_VASPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define vasprintf rpl_vasprintf +# endif +_GL_FUNCDECL_RPL (vasprintf, int, + (char **result, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (vasprintf, int, + (char **result, const char *format, va_list args)); +# else +# if !@HAVE_VASPRINTF@ +_GL_FUNCDECL_SYS (vasprintf, int, + (char **result, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (vasprintf, int, + (char **result, const char *format, va_list args)); +# endif +_GL_CXXALIASWARN (vasprintf); #endif -#if @GNULIB_FWRITE@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ -# undef fwrite -# define fwrite rpl_fwrite -extern size_t fwrite (const void *ptr, size_t s, size_t n, FILE *stream); +#if @GNULIB_VDPRINTF@ +# if @REPLACE_VDPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define vdprintf rpl_vdprintf +# endif +_GL_FUNCDECL_RPL (vdprintf, int, (int fd, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (vdprintf, int, (int fd, const char *format, va_list args)); +# else +# if !@HAVE_VDPRINTF@ +_GL_FUNCDECL_SYS (vdprintf, int, (int fd, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((2))); +# endif +/* Need to cast, because on Solaris, the third parameter will likely be + __va_list args. */ +_GL_CXXALIAS_SYS_CAST (vdprintf, int, + (int fd, const char *format, va_list args)); +# endif +_GL_CXXALIASWARN (vdprintf); +#elif defined GNULIB_POSIXCHECK +# undef vdprintf +# if HAVE_RAW_DECL_VDPRINTF +_GL_WARN_ON_USE (vdprintf, "vdprintf is unportable - " + "use gnulib module vdprintf for portability"); +# endif #endif -#if @GNULIB_GETDELIM@ -# if !@HAVE_DECL_GETDELIM@ -/* Read input, up to (and including) the next occurrence of DELIMITER, from - STREAM, store it in *LINEPTR (and NUL-terminate it). - *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE - bytes of space. It is realloc'd as necessary. - Return the number of bytes read and stored at *LINEPTR (not including the - NUL terminator), or -1 on error or EOF. */ -extern ssize_t getdelim (char **lineptr, size_t *linesize, int delimiter, - FILE *stream); +#if @GNULIB_VFPRINTF_POSIX@ || @GNULIB_VFPRINTF@ +# if (@GNULIB_VFPRINTF_POSIX@ && @REPLACE_VFPRINTF@) \ + || (@GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@) +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define vfprintf rpl_vfprintf +# endif +# define GNULIB_overrides_vfprintf 1 +_GL_FUNCDECL_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args)); +# else +/* Need to cast, because on Solaris, the third parameter is + __va_list args + and GCC's fixincludes did not change this to __gnuc_va_list. */ +_GL_CXXALIAS_SYS_CAST (vfprintf, int, + (FILE *fp, const char *format, va_list args)); # 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)) +_GL_CXXALIASWARN (vfprintf); +#endif +#if !@GNULIB_VFPRINTF_POSIX@ && defined GNULIB_POSIXCHECK +# if !GNULIB_overrides_vfprintf +# undef vfprintf +# endif +/* 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_GETLINE@ -# if @REPLACE_GETLINE@ -# undef getline -# define getline rpl_getline +#if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VPRINTF@ +# if (@GNULIB_VPRINTF_POSIX@ && @REPLACE_VPRINTF@) \ + || (@GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@) +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define vprintf rpl_vprintf +# endif +# define GNULIB_overrides_vprintf 1 +_GL_FUNCDECL_RPL (vprintf, int, (const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 1, 0))) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (vprintf, int, (const char *format, va_list args)); +# else +/* Need to cast, because on Solaris, the second parameter is + __va_list args + and GCC's fixincludes did not change this to __gnuc_va_list. */ +_GL_CXXALIAS_SYS_CAST (vprintf, int, (const char *format, va_list args)); # endif -# if !@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@ -/* Read a line, up to (and including) the next newline, from STREAM, store it - in *LINEPTR (and NUL-terminate it). - *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE - bytes of space. It is realloc'd as necessary. - Return the number of bytes read and stored at *LINEPTR (not including the - NUL terminator), or -1 on error or EOF. */ -extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream); +_GL_CXXALIASWARN (vprintf); +#endif +#if !@GNULIB_VPRINTF_POSIX@ && defined GNULIB_POSIXCHECK +# if !GNULIB_overrides_vprintf +# undef vprintf # 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)) +/* 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_PERROR@ -# if @REPLACE_PERROR@ -# define perror rpl_perror -/* Print a message to standard error, describing the value of ERRNO, - (if STRING is not NULL and not empty) prefixed with STRING and ": ", - and terminated with a newline. */ -extern void perror (const char *string); +#if @GNULIB_VSNPRINTF@ +# if @REPLACE_VSNPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define vsnprintf rpl_vsnprintf +# endif +_GL_FUNCDECL_RPL (vsnprintf, int, + (char *str, size_t size, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 3, 0))) + _GL_ARG_NONNULL ((3))); +_GL_CXXALIAS_RPL (vsnprintf, int, + (char *str, size_t size, const char *format, va_list args)); +# else +# if !@HAVE_DECL_VSNPRINTF@ +_GL_FUNCDECL_SYS (vsnprintf, int, + (char *str, size_t size, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 3, 0))) + _GL_ARG_NONNULL ((3))); +# endif +_GL_CXXALIAS_SYS (vsnprintf, int, + (char *str, size_t size, const char *format, va_list args)); # endif +_GL_CXXALIASWARN (vsnprintf); #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)) +# undef vsnprintf +# if HAVE_RAW_DECL_VSNPRINTF +_GL_WARN_ON_USE (vsnprintf, "vsnprintf is unportable - " + "use gnulib module vsnprintf for portability"); +# endif #endif -#ifdef __cplusplus -} +#if @GNULIB_VSPRINTF_POSIX@ +# if @REPLACE_VSPRINTF@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define vsprintf rpl_vsprintf +# endif +_GL_FUNCDECL_RPL (vsprintf, int, + (char *str, const char *format, va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (vsprintf, int, + (char *str, const char *format, va_list args)); +# else +/* Need to cast, because on Solaris, the third parameter is + __va_list args + and GCC's fixincludes did not change this to __gnuc_va_list. */ +_GL_CXXALIAS_SYS_CAST (vsprintf, int, + (char *str, const char *format, va_list args)); +# endif +_GL_CXXALIASWARN (vsprintf); +#elif defined GNULIB_POSIXCHECK +# undef vsprintf +/* 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 + #endif /* _GL_STDIO_H */ #endif /* _GL_STDIO_H */ #endif