70 lines
1.7 KiB
Plaintext
70 lines
1.7 KiB
Plaintext
# SHOPT_* option probe
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tst note{ SHOPT_* option probe }end cross{
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: check for shell magic #!
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cat > "$EXECROOT/file$$" <<!
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#! /usr/bin/env true
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exit 1
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!
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chmod 755 "$EXECROOT/file$$"
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if "$EXECROOT/file$$" 2>/dev/null
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then echo "#define SHELLMAGIC 1"
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fi
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rm -f "$EXECROOT/file$$"
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option() # name value
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{
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case $2 in
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0) echo "#ifndef SHOPT_$1"
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echo "# define SHOPT_$1 1"
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echo "#endif"
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;;
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*) echo "#undef SHOPT_$1"
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;;
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esac
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}
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# if /dev/fd/n exposes file descriptor n, make SHOPT_DEVFD use this for
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# process substitutions instead of FIFOs, which are not as secure
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ls /dev/fd/9 9<&0 >/dev/null 2>&1
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option DEVFD $?
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# test for multibyte support
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case `echo a | tr a '\012' | wc -l` in
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*1*) option MULTIBYTE 0 ;;
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esac
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# if external 'test' supports lowercase -l as equivalent to -L, enable
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# SHOPT_TEST_L so ksh supports it for compatibility with local scripts
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ln -s /dev/null "$EXECROOT/link$$"
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env test -l "$EXECROOT/link$$" 2>/dev/null && env test ! -l . 2>/dev/null
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[ $? = 0 ] && option TEST_L 0
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rm -f "$EXECROOT/link$$"
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# if one of these exists, make SHOPT_SYSRC load /etc/ksh.kshrc by default
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if test -f /etc/ksh.kshrc || test -f /etc/bash.bashrc
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then option SYSRC 0
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fi
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}end
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cat{
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#if !_PACKAGE_ast && ( (MB_LEN_MAX-1)<=0 || !defined(_lib_mbtowc) )
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# undef SHOPT_MULTIBYTE
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#endif
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}end
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tst note{ can we probe file system case insensitivity }end output{
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#include <ast.h>
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#include <error.h>
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#include <stdio.h>
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static char *o = "SHOPT_GLOBCASEDET";
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int main(int argc,char *argv[])
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{
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int r;
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r = pathicase("/");
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r = (r > -1 || errno != ENOSYS);
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printf("#ifndef %s\n# define %s\t%d\n#endif\n", o, o, r);
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return !r;
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}
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}end
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