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git/t/t3902-quoted.sh
Jeff King 8424981934 Fix invalid read in quote_c_style_counted
This function did not work on strings that were not NUL-terminated. It
reads through a length-bounded string, searching for characters in need of
quoting. After we find one, we output the quoted character, then advance
our pointer to find the next one. However, we never decremented the
length, meaning we ended up looking at whatever random junk was stored
after the string.

This bug was not found by the existing tests because most code paths feed
a NUL-terminated string. The notable exception is a directory name being
fed by ls-tree.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-02-06 10:55:03 -08:00

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#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#
test_description='quoted output'
. ./test-lib.sh
FN='濱野'
GN='純'
HT=' '
LF='
'
DQ='"'
echo foo 2>/dev/null > "Name and an${HT}HT"
test -f "Name and an${HT}HT" || {
# since FAT/NTFS does not allow tabs in filenames, skip this test
say 'Your filesystem does not allow tabs in filenames, test skipped.'
test_done
}
for_each_name () {
for name in \
Name "Name and a${LF}LF" "Name and an${HT}HT" "Name${DQ}" \
"$FN$HT$GN" "$FN$LF$GN" "$FN $GN" "$FN$GN" "$FN$DQ$GN" \
"With SP in it" "caractère spécial/file"
do
eval "$1"
done
}
test_expect_success setup '
mkdir "caractère spécial" &&
for_each_name "echo initial >\"\$name\""
git add . &&
git commit -q -m Initial &&
for_each_name "echo second >\"\$name\"" &&
git commit -a -m Second
for_each_name "echo modified >\"\$name\""
'
cat >expect.quoted <<\EOF
Name
"Name and a\nLF"
"Name and an\tHT"
"Name\""
With SP in it
"caract\303\250re sp\303\251cial/file"
"\346\277\261\351\207\216\t\347\264\224"
"\346\277\261\351\207\216\n\347\264\224"
"\346\277\261\351\207\216 \347\264\224"
"\346\277\261\351\207\216\"\347\264\224"
"\346\277\261\351\207\216\347\264\224"
EOF
cat >expect.raw <<\EOF
Name
"Name and a\nLF"
"Name and an\tHT"
"Name\""
With SP in it
caractère spécial/file
"濱野\t純"
"濱野\n純"
濱野 純
"濱野\"純"
濱野純
EOF
test_expect_success 'check fully quoted output from ls-files' '
git ls-files >current && test_cmp expect.quoted current
'
test_expect_success 'check fully quoted output from diff-files' '
git diff --name-only >current &&
test_cmp expect.quoted current
'
test_expect_success 'check fully quoted output from diff-index' '
git diff --name-only HEAD >current &&
test_cmp expect.quoted current
'
test_expect_success 'check fully quoted output from diff-tree' '
git diff --name-only HEAD^ HEAD >current &&
test_cmp expect.quoted current
'
test_expect_success 'check fully quoted output from ls-tree' '
git ls-tree --name-only -r HEAD >current &&
test_cmp expect.quoted current
'
test_expect_success 'setting core.quotepath' '
git config --bool core.quotepath false
'
test_expect_success 'check fully quoted output from ls-files' '
git ls-files >current && test_cmp expect.raw current
'
test_expect_success 'check fully quoted output from diff-files' '
git diff --name-only >current &&
test_cmp expect.raw current
'
test_expect_success 'check fully quoted output from diff-index' '
git diff --name-only HEAD >current &&
test_cmp expect.raw current
'
test_expect_success 'check fully quoted output from diff-tree' '
git diff --name-only HEAD^ HEAD >current &&
test_cmp expect.raw current
'
test_expect_success 'check fully quoted output from ls-tree' '
git ls-tree --name-only -r HEAD >current &&
test_cmp expect.raw current
'
test_done