Author: pjd
Date: Wed Aug 11 16:29:12 2010
New Revision: 211177
URL: http://svn.freebsd.org/changeset/base/211177
Log:
Instead of hardcoding {NAME_MAX} as 255 and {PATH_MAX} as 1024 obtain those
from
pathconf(2) and properly generate too long file names.
This should fix ENAMETOOLONG checks on Linux.
Modified:
head/tools/regression/fstest/tests/misc.sh
Modified: head/tools/regression/fstest/tests/misc.sh
==============================================================================
--- head/tools/regression/fstest/tests/misc.sh Wed Aug 11 10:51:27 2010
(r211176)
+++ head/tools/regression/fstest/tests/misc.sh Wed Aug 11 16:29:12 2010
(r211177)
@@ -2,13 +2,6 @@
ntest=1
-name253="_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_12"
-name255="${name253}34"
-name256="${name255}5"
-path1021="${name255}/${name255}/${name255}/${name253}"
-path1023="${path1021}/x"
-path1024="${path1023}x"
-
case "${dir}" in
/*)
maindir="${dir}/../.."
@@ -99,6 +92,52 @@ namegen()
echo "fstest_`dd if=/dev/urandom bs=1k count=1 2>/dev/null | openssl
md5`"
}
+namegen_len()
+{
+ len="${1}"
+
+ name=""
+ while :; do
+ namepart="`dd if=/dev/urandom bs=64 count=1 2>/dev/null |
openssl md5`"
+ name="${name}${namepart}"
+ curlen=`printf "%s" "${name}" | wc -c`
+ [ ${curlen} -lt ${len} ] || break
+ done
+ name=`echo "${name}" | cut -b -${len}`
+ printf "%s" "${name}"
+}
+
+# POSIX:
+# {NAME_MAX}
+# Maximum number of bytes in a filename (not including terminating null).
+namegen_max()
+{
+ name_max=`${fstest} pathconf . _PC_NAME_MAX`
+ namegen_len ${name_max}
+}
+
+# POSIX:
+# {PATH_MAX}
+# Maximum number of bytes in a pathname, including the terminating null
character.
+dirgen_max()
+{
+ name_max=`${fstest} pathconf . _PC_NAME_MAX`
+ complen=$((name_max/2))
+ path_max=`${fstest} pathconf . _PC_PATH_MAX`
+ # "...including the terminating null character."
+ path_max=$((path_max-1))
+
+ name=""
+ while :; do
+ name="${name}`namegen_len ${complen}`/"
+ curlen=`printf "%s" "${name}" | wc -c`
+ [ ${curlen} -lt ${path_max} ] || break
+ done
+ name=`echo "${name}" | cut -b -${path_max}`
+ name=`echo "${name}" | sed -E 's@/$...@x@'`
+ printf "%s" "${name}"
+}
+
quick_exit()
{
echo "1..1"
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