diff options
Diffstat (limited to 'lib/stdio.in.h')
| -rw-r--r-- | lib/stdio.in.h | 84 |
1 files changed, 74 insertions, 10 deletions
diff --git a/lib/stdio.in.h b/lib/stdio.in.h index 098f841738c..6be12c0525d 100644 --- a/lib/stdio.in.h +++ b/lib/stdio.in.h @@ -57,6 +57,12 @@ #ifndef _@GUARD_PREFIX@_STDIO_H #define _@GUARD_PREFIX@_STDIO_H +/* This file uses _GL_ATTRIBUTE_DEALLOC, _GL_ATTRIBUTE_FORMAT, + _GL_ATTRIBUTE_MALLOC, GNULIB_POSIXCHECK, HAVE_RAW_DECL_*. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + /* Get va_list. Needed on many systems, including glibc 2.8. */ #include <stdarg.h> @@ -127,6 +133,16 @@ # endif #endif +/* _GL_ATTRIBUTE_MALLOC declares that the function returns a pointer to freshly + allocated memory. */ +#ifndef _GL_ATTRIBUTE_MALLOC +# if __GNUC__ >= 3 || defined __clang__ +# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +# else +# define _GL_ATTRIBUTE_MALLOC +# endif +#endif + /* An __attribute__ __format__ specifier for a function that takes a format string and arguments, where the format string directives are the ones standardized by ISO C99 and POSIX. @@ -204,6 +220,36 @@ # undef putc_unlocked #endif + +/* Maximum number of characters produced by printing a NaN value. */ +#ifndef _PRINTF_NAN_LEN_MAX +# if defined __FreeBSD__ || defined __DragonFly__ \ + || defined __NetBSD__ \ + || (defined __APPLE__ && defined __MACH__) +/* On BSD systems, a NaN value prints as just "nan", without a sign. */ +# define _PRINTF_NAN_LEN_MAX 3 +# elif (__GLIBC__ >= 2) || MUSL_LIBC || defined __OpenBSD__ || defined __sun || defined __CYGWIN__ +/* glibc, musl libc, OpenBSD, Solaris libc, and Cygwin produce "[-]nan". */ +# define _PRINTF_NAN_LEN_MAX 4 +# elif defined _AIX +/* AIX produces "[-]NaNQ". */ +# define _PRINTF_NAN_LEN_MAX 5 +# elif defined _WIN32 && !defined __CYGWIN__ +/* On native Windows, the output can be: + - with MSVC ucrt: "[-]nan" or "[-]nan(ind)" or "[-]nan(snan)", + - with mingw: "[-]1.#IND" or "[-]1.#QNAN". */ +# define _PRINTF_NAN_LEN_MAX 10 +# elif defined __sgi +/* On IRIX, the output typically is "[-]nan0xNNNNNNNN" with 8 hexadecimal + digits. */ +# define _PRINTF_NAN_LEN_MAX 14 +# else +/* We don't know, but 32 should be a safe maximum. */ +# define _PRINTF_NAN_LEN_MAX 32 +# endif +#endif + + #if @GNULIB_DPRINTF@ # if @REPLACE_DPRINTF@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -286,7 +332,8 @@ _GL_CXXALIASWARN (fcloseall); # endif _GL_FUNCDECL_RPL (fdopen, FILE *, (int fd, const char *mode) - _GL_ARG_NONNULL ((2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1)); + _GL_ARG_NONNULL ((2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1) + _GL_ATTRIBUTE_MALLOC); _GL_CXXALIAS_RPL (fdopen, FILE *, (int fd, const char *mode)); # elif defined _WIN32 && !defined __CYGWIN__ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -299,7 +346,8 @@ _GL_CXXALIAS_MDA (fdopen, FILE *, (int fd, const char *mode)); /* For -Wmismatched-dealloc: Associate fdopen with fclose or rpl_fclose. */ _GL_FUNCDECL_SYS (fdopen, FILE *, (int fd, const char *mode) - _GL_ARG_NONNULL ((2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1)); + _GL_ARG_NONNULL ((2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1) + _GL_ATTRIBUTE_MALLOC); # endif _GL_CXXALIAS_SYS (fdopen, FILE *, (int fd, const char *mode)); # endif @@ -309,7 +357,8 @@ _GL_CXXALIASWARN (fdopen); /* For -Wmismatched-dealloc: Associate fdopen with fclose or rpl_fclose. */ _GL_FUNCDECL_SYS (fdopen, FILE *, (int fd, const char *mode) - _GL_ARG_NONNULL ((2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1)); + _GL_ARG_NONNULL ((2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1) + _GL_ATTRIBUTE_MALLOC); # endif # if defined GNULIB_POSIXCHECK # undef fdopen @@ -420,7 +469,8 @@ _GL_CXXALIASWARN (fileno); # endif _GL_FUNCDECL_RPL (fopen, FILE *, (const char *restrict filename, const char *restrict mode) - _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1)); + _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (fclose, 1) + _GL_ATTRIBUTE_MALLOC); _GL_CXXALIAS_RPL (fopen, FILE *, (const char *restrict filename, const char *restrict mode)); # else @@ -967,6 +1017,10 @@ _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead"); _GL_CXXALIAS_MDA (getw, int, (FILE *restrict stream)); # else # if @HAVE_DECL_GETW@ +# if defined __APPLE__ && defined __MACH__ +/* The presence of the declaration depends on _POSIX_C_SOURCE. */ +_GL_FUNCDECL_SYS (getw, int, (FILE *restrict stream)); +# endif _GL_CXXALIAS_SYS (getw, int, (FILE *restrict stream)); # endif # endif @@ -1071,13 +1125,15 @@ _GL_WARN_ON_USE (perror, "perror is not always POSIX compliant - " # endif _GL_FUNCDECL_RPL (popen, FILE *, (const char *cmd, const char *mode) - _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (pclose, 1)); + _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (pclose, 1) + _GL_ATTRIBUTE_MALLOC); _GL_CXXALIAS_RPL (popen, FILE *, (const char *cmd, const char *mode)); # else # if !@HAVE_POPEN@ || __GNUC__ >= 11 _GL_FUNCDECL_SYS (popen, FILE *, (const char *cmd, const char *mode) - _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (pclose, 1)); + _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (pclose, 1) + _GL_ATTRIBUTE_MALLOC); # endif _GL_CXXALIAS_SYS (popen, FILE *, (const char *cmd, const char *mode)); # endif @@ -1087,7 +1143,8 @@ _GL_CXXALIASWARN (popen); /* For -Wmismatched-dealloc: Associate popen with pclose or rpl_pclose. */ _GL_FUNCDECL_SYS (popen, FILE *, (const char *cmd, const char *mode) - _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (pclose, 1)); + _GL_ARG_NONNULL ((1, 2)) _GL_ATTRIBUTE_DEALLOC (pclose, 1) + _GL_ATTRIBUTE_MALLOC); # endif # if defined GNULIB_POSIXCHECK # undef popen @@ -1210,6 +1267,10 @@ _GL_CXXALIASWARN (puts); _GL_CXXALIAS_MDA (putw, int, (int w, FILE *restrict stream)); # else # if @HAVE_DECL_PUTW@ +# if defined __APPLE__ && defined __MACH__ +/* The presence of the declaration depends on _POSIX_C_SOURCE. */ +_GL_FUNCDECL_SYS (putw, int, (int w, FILE *restrict stream)); +# endif _GL_CXXALIAS_SYS (putw, int, (int w, FILE *restrict stream)); # endif # endif @@ -1421,13 +1482,15 @@ _GL_CXXALIASWARN (tempnam); # define tmpfile rpl_tmpfile # endif _GL_FUNCDECL_RPL (tmpfile, FILE *, (void) - _GL_ATTRIBUTE_DEALLOC (fclose, 1)); + _GL_ATTRIBUTE_DEALLOC (fclose, 1) + _GL_ATTRIBUTE_MALLOC); _GL_CXXALIAS_RPL (tmpfile, FILE *, (void)); # else # if __GNUC__ >= 11 /* For -Wmismatched-dealloc: Associate tmpfile with fclose or rpl_fclose. */ _GL_FUNCDECL_SYS (tmpfile, FILE *, (void) - _GL_ATTRIBUTE_DEALLOC (fclose, 1)); + _GL_ATTRIBUTE_DEALLOC (fclose, 1) + _GL_ATTRIBUTE_MALLOC); # endif _GL_CXXALIAS_SYS (tmpfile, FILE *, (void)); # endif @@ -1438,7 +1501,8 @@ _GL_CXXALIASWARN (tmpfile); # if @GNULIB_FCLOSE@ && __GNUC__ >= 11 && !defined tmpfile /* For -Wmismatched-dealloc: Associate tmpfile with fclose or rpl_fclose. */ _GL_FUNCDECL_SYS (tmpfile, FILE *, (void) - _GL_ATTRIBUTE_DEALLOC (fclose, 1)); + _GL_ATTRIBUTE_DEALLOC (fclose, 1) + _GL_ATTRIBUTE_MALLOC); # endif # if defined GNULIB_POSIXCHECK # undef tmpfile |