kexec-tools/kdump_dracut_modules/99kdumpbase/dracut-lib.sh

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getarg() {
local o line
if [ -z "$CMDLINE" ]; then
read CMDLINE_ETC </etc/cmdline;
read CMDLINE </proc/cmdline;
CMDLINE="$CMDLINE $CMDLINE_ETC"
fi
for o in $CMDLINE; do
[ "$o" = "$1" ] && return 0
[ "${o%%=*}" = "${1%=}" ] && { echo ${o#*=}; return 0; }
done
return 1
}
getargs() {
local o line found
if [ -z "$CMDLINE" ]; then
read CMDLINE_ETC </etc/cmdline;
read CMDLINE </proc/cmdline;
CMDLINE="$CMDLINE $CMDLINE_ETC"
fi
for o in $CMDLINE; do
[ "$o" = "$1" ] && return 0
if [ "${o%%=*}" = "${1%=}" ]; then
echo -n "${o#*=} ";
found=1;
fi
done
[ -n "$found" ] && return 0
return 1
}
source_all() {
local f
[ "$1" ] && [ -d "/$1" ] || return
for f in "/$1"/*.sh; do [ -f "$f" ] && . "$f"; done
}
source_conf() {
local f
[ "$1" ] && [ -d "/$1" ] || return
for f in "/$1"/*.conf; do [ -f "$f" ] && . "$f"; done
}
die() {
{
echo "<1>dracut: FATAL: $@";
echo "<1>dracut: Refusing to continue";
} > /dev/kmsg
{
echo "dracut: FATAL: $@";
echo "dracut: Refusing to continue";
} >&2
exit 1
}
warn() {
echo "<4>dracut Warning: $@" > /dev/kmsg
echo "dracut Warning: $@" >&2
}
info() {
if [ -z "$DRACUT_QUIET" ]; then
DRACUT_QUIET="no"
getarg quiet && DRACUT_QUIET="yes"
fi
echo "<6>dracut: $@" > /dev/kmsg
[ "$DRACUT_QUIET" != "yes" ] && \
echo "dracut: $@"
}
vinfo() {
while read line; do
info $line;
done
}
check_occurances() {
# Count the number of times the character $ch occurs in $str
# Return 0 if the count matches the expected number, 1 otherwise
local str="$1"
local ch="$2"
local expected="$3"
local count=0
while [ "${str#*$ch}" != "${str}" ]; do
str="${str#*$ch}"
count=$(( $count + 1 ))
done
[ $count -eq $expected ]
}
incol2() {
local dummy check;
local file="$1";
local str="$2";
[ -z "$file" ] && return;
[ -z "$str" ] && return;
while read dummy check restofline; do
[ "$check" = "$str" ] && return 0
done < $file
return 1
}