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libbb/parse_config.c: fix small buglet (by Vladimir)

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This commit is contained in:
Denis Vlasenko 2008-07-20 17:50:58 +00:00
parent a34f1ed737
commit 9b366f4136
2 changed files with 45 additions and 2 deletions
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4
libbb/parse_config.c
View File

@ -199,7 +199,8 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const
} else {
// vanilla token. cut the line at the first delim
q = line + strcspn(line, delims);
*q++ = '\0';
if (*q) // watch out: do not step past the line end!
*q++ = '\0';
}
// pin token
if ((flags & (PARSE_DONT_REDUCE|PARSE_DONT_TRIM)) || *line) {
@ -207,6 +208,7 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const
tokens[ii++] = line;
}
line = q;
//bb_info_msg("A[%s]", line);
}
if (ii < mintokens)

43
testsuite/parse.tests
View File

@ -23,7 +23,7 @@ testing "notrim" \
"-" \
" sda 0:0 644 @echo @echo TEST \n"
FILE=__parse.fstab
FILE=__parse
cat >$FILE <<EOF
#
# Device Point System Options
@ -59,6 +59,47 @@ testing "polluted fstab" \
"`cat $FILE.res`\n" \
"" \
""
cp ../examples/inittab $FILE
cat >$FILE.res <<EOF
[][][sysinit][/etc/init.d/rcS]
[][][askfirst][-/bin/sh]
[tty2][][askfirst][-/bin/sh]
[tty3][][askfirst][-/bin/sh]
[tty4][][askfirst][-/bin/sh]
[tty4][][respawn][/sbin/getty 38400 tty5]
[tty5][][respawn][/sbin/getty 38400 tty6]
[][][restart][/sbin/init]
[][][ctrlaltdel][/sbin/reboot]
[][][shutdown][/bin/umount -a -r]
[][][shutdown][/sbin/swapoff -a]
EOF
testing "inittab from examples" \
"parse -n 4 -m 4 -f $(($GREEDY+$NO_TRIM)) -d'#:' $FILE" \
"`cat $FILE.res`\n" \
"" \
""
cp ../examples/udhcp/udhcpd.conf $FILE
cat >$FILE.res <<EOF
[start][192.168.0.20]
[end][192.168.0.254]
[interface][eth0]
[opt][dns][192.168.10.2][192.168.10.10]
[option][subnet][255.255.255.0]
[opt][router][192.168.10.2]
[opt][wins][192.168.10.10]
[option][dns][129.219.13.81]
[option][domain][local]
[option][lease][864000]
EOF
testing "udhcpd.conf from examples" \
"parse -n 127 $FILE" \
"`cat $FILE.res`\n" \
"" \
""
rm -f $FILE $FILE.res
exit $FAILCOUNT