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ce700d8c46
* lib/stdlib.in.h (setenv): Test HAVE_DECL_SETENV, not HAVE_SETENV. * m4/setenv.m4 (gl_FUNC_SETENV_SEPARATE): Test whether setenv is declared. Don't set HAVE_SETENV. * m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Initialize HAVE_DECL_SETENV, not HAVE_SETENV. * modules/stdlib (Makefile.am): Substitute HAVE_DECL_SETENV, not HAVE_SETENV. * doc/posix-functions/setenv.texi: Mention the OSF/1 5.1 problem.
34 lines
959 B
Plaintext
34 lines
959 B
Plaintext
@node setenv
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@section @code{setenv}
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@findex setenv
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/setenv.html}
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Gnulib module: setenv
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function is missing on some platforms:
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AIX 4.3.2, HP-UX 11.23, IRIX 6.5, Solaris 9, mingw, BeOS.
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@item
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This function is not declared on some platforms:
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OSF/1 5.1.
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@item
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On some platforms, this function does not fail with @samp{EINVAL} when
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passed an empty string or a string containing @samp{=}:
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MacOS X 10.5, FreeBSD 6.0, NetBSD 1.6, OpenBSD 3.8, Cygwin 1.5.x.
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@item
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On some platforms, this function removes a leading @samp{=} from the
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value argument:
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Cygwin 1.5.x.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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Older versions of POSIX required that @code{setenv(NULL,"",0)} gracefully
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fail with @code{EINVAL}, but not all implementations guarantee this,
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and the requirement was removed.
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@end itemize
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