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Diffstat (limited to 'mcon/U/d_scannl.U')
| -rw-r--r-- | mcon/U/d_scannl.U | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/mcon/U/d_scannl.U b/mcon/U/d_scannl.U new file mode 100644 index 0000000..74c0a3f --- /dev/null +++ b/mcon/U/d_scannl.U @@ -0,0 +1,74 @@ +?RCS: $Id$ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: d_scannl.U,v $ +?RCS: Revision 3.0.1.2 1997/02/28 15:41:27 ram +?RCS: patch61: added ?F: metalint hint +?RCS: +?RCS: Revision 3.0.1.1 1995/07/25 13:59:12 ram +?RCS: patch56: made cc and ccflags optional dependencies +?RCS: +?RCS: Revision 3.0 1993/08/18 12:07:00 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?X: +?X: Does the scanf routine read "\n" corretly ? This is was not +?X: the case on AIX... +?X: +?MAKE:d_scannl: cat +cc +ccflags rm Setvar +?MAKE: -pick add $@ %< +?S:d_scannl: +?S: This variable conditionally defines SCAN_NL, which indicates +?S: wether the C library routines scanf() and friends can deal with +?S: a '\n' in the input correctly. They do most of the time. +?S:. +?C:SCAN_NL: +?C: This symbol is defined if the C library routines scanf() and friends +?C: can deal with a '\n' in the input correctly, so that you can say +?C: scanf("%d\n"); instead of scanf("%d"); getc(c); to handle the '\n'. +?C:. +?H:#$d_scannl SCAN_NL /* scanf("%d\n") works */ +?H:. +?F:!try +?LINT:set d_scannl +: does scanf handle "\n" correctly ? +echo " " +val="$define" +?X: I really want to say "\n" instead of '\n', becasue I am refering +?X: to the string given as argument to scanf(). +echo 'Let'"'"'s see if scanf() handles "\\n" correctly...' >&4 +$cat >try.c <<'EOCP' +int main() +{ + int i = 0, j = 0; + scanf("%d\n%d", &i, &j); + if (j != 3) + exit(1); + exit(0); +} +EOCP +if $cc $ccflags -o try try.c >/dev/null 2>&1; then + if ./try <<'EOD' +2 +3 +EOD + then + echo "Yes, it does." + else + echo "No, it doesn't." + val="$undef" + fi +else + echo "(I can't seem to compile the test program. Assuming it does.)" +fi +set d_scannl +eval $setvar +$rm -f try.* try + |