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annotate m4/strchrnul.m4 @ 425:67815606c5d9 3.0-beta2

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Prevent NULL deref in lw_expr_destroy
author lost@l-w.ca
date Sun, 19 Sep 2010 10:27:47 -0600
parents 3c2e1f24cc7d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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421
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1 # strchrnul.m4 serial 7
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2 dnl Copyright (C) 2003, 2007, 2009, 2010 Free Software Foundation, Inc.
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3 dnl This file is free software; the Free Software Foundation
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4 dnl gives unlimited permission to copy and/or distribute it,
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5 dnl with or without modifications, as long as this notice is preserved.
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6
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7 AC_DEFUN([gl_FUNC_STRCHRNUL],
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8 [
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9 dnl Persuade glibc <string.h> to declare strchrnul().
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10 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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11
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12 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
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13 AC_REPLACE_FUNCS([strchrnul])
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14 if test $ac_cv_func_strchrnul = no; then
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15 HAVE_STRCHRNUL=0
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16 gl_PREREQ_STRCHRNUL
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17 fi
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18 ])
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19
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20 # Prerequisites of lib/strchrnul.c.
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21 AC_DEFUN([gl_PREREQ_STRCHRNUL], [:])