Document return values of putenv and setenv
[BZ #10153] * manual/startup.texi (Environment Access): Describe return value for putenv and setenv.
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2012-04-08 Andreas Jaeger <aj@suse.de>
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[BZ #10153]
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* manual/startup.texi (Environment Access): Describe return value
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for putenv and setenv.
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[BZ #6895]
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* manual/filesys.texi (Directory Entries): Add description for
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DT_LNK.
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18
NEWS
18
NEWS
@ -12,15 +12,15 @@ Version 2.16
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174, 350, 369, 411, 2541, 2547, 2548, 2551, 2552, 2553, 2554, 2562, 2563,
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2565, 2566, 2576, 2678, 3335, 3866, 3868, 3976, 3992, 4026, 4108, 4596,
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4822, 5077, 5461, 5805, 5993, 6471, 6486, 6578, 6649, 6730, 6770, 6884,
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6890, 6895, 6907, 6911, 9739, 9902, 10110, 10135, 10140, 10210, 10346,
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10545, 10716, 11174, 11322, 11365, 11451, 11494, 12047, 12340, 13058,
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13525, 13526, 13527, 13528, 13529, 13530, 13531, 13532, 13533, 13547,
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13551, 13552, 13553, 13555, 13559, 13566, 13583, 13592, 13618, 13637,
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13656, 13658, 13673, 13691, 13695, 13704, 13706, 13726, 13738, 13760,
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13761, 13786, 13792, 13806, 13824, 13840, 13841, 13844, 13846, 13851,
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13852, 13854, 13871, 13879, 13883, 13892, 13895, 13908, 13910, 13911,
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13912, 13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921, 13926,
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13928, 13938
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6890, 6895, 6907, 6911, 9739, 9902, 10110, 10135, 10140, 10153, 10210,
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10346, 10545, 10716, 11174, 11322, 11365, 11451, 11494, 12047, 12340,
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13058, 13525, 13526, 13527, 13528, 13529, 13530, 13531, 13532, 13533,
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13547, 13551, 13552, 13553, 13555, 13559, 13566, 13583, 13592, 13618,
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13637, 13656, 13658, 13673, 13691, 13695, 13704, 13706, 13726, 13738,
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13760, 13761, 13786, 13792, 13806, 13824, 13840, 13841, 13844, 13846,
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13851, 13852, 13854, 13871, 13879, 13883, 13892, 13895, 13908, 13910,
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13911, 13912, 13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921,
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13926, 13928, 13938
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* ISO C11 support:
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@ -335,6 +335,9 @@ definition is added to the environment. Otherwise, the @var{string} is
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interpreted as the name of an environment variable, and any definition
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for this variable in the environment is removed.
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If the function is successful it returns @code{0}. Otherwise the return
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value is nonzero and @code{errno} is set to indicate the error.
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The difference to the @code{setenv} function is that the exact string
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given as the parameter @var{string} is put into the environment. If the
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user should change the string after the @code{putenv} call this will
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@ -364,6 +367,10 @@ the old entry is replaced by the new one.
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Please note that you cannot remove an entry completely using this function.
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If the function is successful it returns @code{0}. Otherwise the
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environment is unchanged and the return value is @code{-1} and
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@code{errno} is set.
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This function was originally part of the BSD library but is now part of
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the Unix standard.
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@end deftypefun
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