X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fstdio.in.h;fp=lib%2Fstdio.in.h;h=a815b6f0965b21013bf6f01bf1904b8f812a0a74;hb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;hp=2d1faa5365caa98d05a8d2537163cce17a09ae60;hpb=c7e61475680fa226bd9b8bdd469cd66914e630f5;p=debian%2Fgzip diff --git a/lib/stdio.in.h b/lib/stdio.in.h index 2d1faa5..a815b6f 100644 --- a/lib/stdio.in.h +++ b/lib/stdio.in.h @@ -2,7 +2,7 @@ /* DO NOT EDIT! GENERATED AUTOMATICALLY! */ /* A GNU-like . - Copyright (C) 2004, 2007-2009 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 @@ -38,33 +38,33 @@ #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 definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + #ifdef __cplusplus extern "C" { @@ -76,21 +76,21 @@ extern "C" { # endif # if @REPLACE_DPRINTF@ || !@HAVE_DPRINTF@ extern int dprintf (int fd, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); + __attribute__ ((__format__ (__printf__, 2, 3))) _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef dprintf -# define dprintf(d,f,a) \ +# define dprintf \ (GL_LINK_WARNING ("dprintf is unportable - " \ "use gnulib module dprintf for portability"), \ - dprintf (d, f, a)) + dprintf) #endif #if @GNULIB_FCLOSE@ # if @REPLACE_FCLOSE@ # define fclose rpl_fclose /* Close STREAM and its underlying file descriptor. */ -extern int fclose (FILE *stream); +extern int fclose (FILE *stream) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef fclose @@ -121,11 +121,18 @@ extern int fclose (FILE *stream); fflush (f)) #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@ # undef fopen # define fopen rpl_fopen -extern FILE * fopen (const char *filename, const char *mode); +extern FILE * fopen (const char *filename, const char *mode) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef fopen @@ -139,12 +146,14 @@ extern FILE * fopen (const char *filename, const char *mode); # if @REPLACE_FPRINTF@ # define fprintf rpl_fprintf extern int fprintf (FILE *fp, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2)); # 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))); + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2)); #elif defined GNULIB_POSIXCHECK # undef fprintf # define fprintf \ @@ -165,7 +174,7 @@ extern int fprintf (FILE *fp, const char *format, ...) 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. */ - extern int fpurge (FILE *gl_stream); + extern int fpurge (FILE *gl_stream) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef fpurge @@ -178,20 +187,21 @@ extern int fprintf (FILE *fp, const char *format, ...) #if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ # undef fputc # define fputc rpl_fputc -extern int fputc (int c, FILE *stream); +extern int fputc (int c, FILE *stream) _GL_ARG_NONNULL ((2)); #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); +extern int fputs (const char *string, FILE *stream) _GL_ARG_NONNULL ((1, 2)); #endif #if @GNULIB_FREOPEN@ # if @REPLACE_FREOPEN@ # undef freopen # define freopen rpl_freopen -extern FILE * freopen (const char *filename, const char *mode, FILE *stream); +extern FILE * freopen (const char *filename, const char *mode, FILE *stream) + _GL_ARG_NONNULL ((2, 3)); # endif #elif defined GNULIB_POSIXCHECK # undef freopen @@ -201,98 +211,143 @@ extern FILE * freopen (const char *filename, const char *mode, FILE *stream); freopen (f, m, s)) #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)) -# else +/* 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. + + Most gnulib clients that perform stream operations should fall into + category three. */ + +#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@ +# undef fseek # 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 " \ - "on 32-bit platforms - " \ - "use fseeko function for handling of large files"), \ - fseek (f, o, w)) +extern int fseek (FILE *fp, long offset, int whence) _GL_ARG_NONNULL ((1)); # endif #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 fseek, fseeko functions that are aware of a preceding fflush(), and which detect pipes. */ +# undef fseeko # define fseeko rpl_fseeko -extern int fseeko (FILE *fp, off_t offset, int whence); +extern int fseeko (FILE *fp, off_t offset, int whence) _GL_ARG_NONNULL ((1)); # 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)) +# define fseek rpl_fseek +static inline int _GL_ARG_NONNULL ((1)) +rpl_fseek (FILE *fp, long offset, int whence) +{ + return fseeko (fp, offset, whence); +} # endif # endif #elif defined GNULIB_POSIXCHECK +# define _GL_FSEEK_WARN /* Category 1, above. */ +# undef fseek # undef fseeko -# define fseeko(f,o,w) \ - (GL_LINK_WARNING ("fseeko is unportable - " \ - "use gnulib module fseeko for portability"), \ - fseeko (f, o, w)) +# if HAVE_RAW_DECL_FSEEKO +_GL_WARN_ON_USE (fseeko, "fseeko is unportable - " + "use gnulib module fseeko for portability"); +# endif #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)) -# else -# define ftell rpl_ftell +#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 + +/* 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 -#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)) +# if @REPLACE_FTELL@ +# undef ftell +# define ftell rpl_ftell +extern long ftell (FILE *fp) _GL_ARG_NONNULL ((1)); # endif #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@ +# undef ftello # define ftello rpl_ftello -extern off_t ftello (FILE *fp); +extern off_t ftello (FILE *fp) _GL_ARG_NONNULL ((1)); # 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)) +# define ftell rpl_ftell +static inline long _GL_ARG_NONNULL ((1)) +rpl_ftell (FILE *f) +{ + return ftello (f); +} # endif # endif #elif defined GNULIB_POSIXCHECK +# define _GL_FTELL_WARN /* Category 1, above. */ +# undef ftell # undef ftello -# define ftello(f) \ - (GL_LINK_WARNING ("ftello is unportable - " \ - "use gnulib module ftello for portability"), \ - ftello (f)) +# if HAVE_RAW_DECL_FTELLO +_GL_WARN_ON_USE (ftello, "ftello is unportable - " + "use gnulib module ftello for portability"); +# endif +#endif + +#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@ && @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); +extern size_t fwrite (const void *ptr, size_t s, size_t n, FILE *stream) + _GL_ARG_NONNULL ((1, 4)); #endif #if @GNULIB_GETDELIM@ @@ -304,13 +359,14 @@ extern size_t fwrite (const void *ptr, size_t s, size_t n, FILE *stream); 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); + FILE *stream) + _GL_ARG_NONNULL ((1, 2, 4)); # 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"), \ +# define getdelim(l, s, d, f) \ + (GL_LINK_WARNING ("getdelim is unportable - " \ + "use gnulib module getdelim for portability"), \ getdelim (l, s, d, f)) #endif @@ -326,13 +382,14 @@ extern ssize_t getdelim (char **lineptr, size_t *linesize, int delimiter, 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); +extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream) + _GL_ARG_NONNULL ((1, 2, 3)); # endif #elif defined GNULIB_POSIXCHECK # undef getline -# define getline(l, s, f) \ - (GL_LINK_WARNING ("getline is unportable - " \ - "use gnulib module getline for portability"), \ +# define getline(l, s, f) \ + (GL_LINK_WARNING ("getline is unportable - " \ + "use gnulib module getline for portability"), \ getline (l, s, f)) #endif @@ -349,10 +406,10 @@ extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream); 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))); + __attribute__ ((__format__ (__printf__, 2, 3))) _GL_ARG_NONNULL ((1, 2)); extern int obstack_vprintf (struct obstack *obs, const char *format, - va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); + va_list args) + __attribute__ ((__format__ (__printf__, 2, 0))) _GL_ARG_NONNULL ((1, 2)); # endif #endif @@ -376,7 +433,8 @@ extern void perror (const char *string); # if @REPLACE_POPEN@ # undef popen # define popen rpl_popen -extern FILE *popen (const char *cmd, const char *mode); +extern FILE *popen (const char *cmd, const char *mode) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef popen @@ -391,13 +449,13 @@ extern FILE *popen (const char *cmd, const char *mode); /* Don't break __attribute__((format(printf,M,N))). */ # define printf __printf__ extern int printf (const char *format, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); + __attribute__ ((__format__ (__printf__, 1, 2))) _GL_ARG_NONNULL ((1)); # 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))); + __attribute__ ((__format__ (__printf__, 1, 2))) _GL_ARG_NONNULL ((1)); #elif defined GNULIB_POSIXCHECK # undef printf # define printf \ @@ -417,7 +475,7 @@ extern int printf (const char *format, ...) #if @GNULIB_PUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ # undef putc # define putc rpl_fputc -extern int putc (int c, FILE *stream); +extern int putc (int c, FILE *stream) _GL_ARG_NONNULL ((2)); #endif #if @GNULIB_PUTCHAR@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ @@ -429,18 +487,18 @@ extern int putchar (int c); #if @GNULIB_PUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@ # undef puts # define puts rpl_puts -extern int puts (const char *string); +extern int puts (const char *string) _GL_ARG_NONNULL ((1)); #endif #if @GNULIB_REMOVE@ # if @REPLACE_REMOVE@ # undef remove # define remove rpl_remove -extern int remove (const char *name); +extern int remove (const char *name) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef remove -# define remove(n) \ +# define remove(n) \ (GL_LINK_WARNING ("remove cannot handle directories on some platforms - " \ "use gnulib module remove for more portability"), \ remove (n)) @@ -450,11 +508,12 @@ extern int remove (const char *name); # if @REPLACE_RENAME@ # undef rename # define rename rpl_rename -extern int rename (const char *old, const char *new); +extern int rename (const char *old_filename, const char *new_filename) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef rename -# define rename(o,n) \ +# define rename(o,n) \ (GL_LINK_WARNING ("rename is buggy on some platforms - " \ "use gnulib module rename for more portability"), \ rename (o, n)) @@ -466,11 +525,12 @@ extern int rename (const char *old, const char *new); # define renameat rpl_renameat # endif # if !@HAVE_RENAMEAT@ || @REPLACE_RENAMEAT@ -extern int renameat (int fd1, char const *file1, int fd2, char const *file2); +extern int renameat (int fd1, char const *file1, int fd2, char const *file2) + _GL_ARG_NONNULL ((2, 4)); # endif #elif defined GNULIB_POSIXCHECK # undef renameat -# define renameat(d1,f1,d2,f2) \ +# define renameat(d1,f1,d2,f2) \ (GL_LINK_WARNING ("renameat is not portable - " \ "use gnulib module renameat for portability"), \ renameat (d1, f1, d2, f2)) @@ -482,7 +542,8 @@ extern int renameat (int fd1, char const *file1, int fd2, char const *file2); # endif # if @REPLACE_SNPRINTF@ || !@HAVE_DECL_SNPRINTF@ extern int snprintf (char *str, size_t size, const char *format, ...) - __attribute__ ((__format__ (__printf__, 3, 4))); + __attribute__ ((__format__ (__printf__, 3, 4))) + _GL_ARG_NONNULL ((3)); # endif #elif defined GNULIB_POSIXCHECK # undef snprintf @@ -492,11 +553,21 @@ extern int snprintf (char *str, size_t size, const char *format, ...) snprintf) #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_SPRINTF_POSIX@ # if @REPLACE_SPRINTF@ # define sprintf rpl_sprintf extern int sprintf (char *str, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); + __attribute__ ((__format__ (__printf__, 2, 3))) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef sprintf @@ -518,9 +589,9 @@ extern int sprintf (char *str, const char *format, ...) *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))); + __attribute__ ((__format__ (__printf__, 2, 3))) _GL_ARG_NONNULL ((1, 2)); extern int vasprintf (char **result, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); + __attribute__ ((__format__ (__printf__, 2, 0))) _GL_ARG_NONNULL ((1, 2)); # endif #endif @@ -530,7 +601,7 @@ extern int sprintf (char *str, const char *format, ...) # endif # if @REPLACE_VDPRINTF@ || !@HAVE_VDPRINTF@ extern int vdprintf (int fd, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); + __attribute__ ((__format__ (__printf__, 2, 0))) _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef vdprintf @@ -544,12 +615,14 @@ extern int vdprintf (int fd, const char *format, va_list args) # if @REPLACE_VFPRINTF@ # define vfprintf rpl_vfprintf extern int vfprintf (FILE *fp, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2)); # 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))); + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2)); #elif defined GNULIB_POSIXCHECK # undef vfprintf # define vfprintf(s,f,a) \ @@ -563,12 +636,12 @@ extern int vfprintf (FILE *fp, const char *format, va_list args) # if @REPLACE_VPRINTF@ # define vprintf rpl_vprintf extern int vprintf (const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 1, 0))); + __attribute__ ((__format__ (__printf__, 1, 0))) _GL_ARG_NONNULL ((1)); # 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))); + __attribute__ ((__format__ (__printf__, 1, 0))) _GL_ARG_NONNULL ((1)); #elif defined GNULIB_POSIXCHECK # undef vprintf # define vprintf(f,a) \ @@ -584,7 +657,8 @@ extern int vprintf (const char *format, va_list args) # 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))); + __attribute__ ((__format__ (__printf__, 3, 0))) + _GL_ARG_NONNULL ((3)); # endif #elif defined GNULIB_POSIXCHECK # undef vsnprintf @@ -598,7 +672,8 @@ extern int vsnprintf (char *str, size_t size, const char *format, va_list args) # if @REPLACE_VSPRINTF@ # define vsprintf rpl_vsprintf extern int vsprintf (char *str, const char *format, va_list args) - __attribute__ ((__format__ (__printf__, 2, 0))); + __attribute__ ((__format__ (__printf__, 2, 0))) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef vsprintf