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-rw-r--r--src/block.sh2
-rw-r--r--src/cmd/install.sh2
-rw-r--r--src/cmd/installer-pc.sh2
-rw-r--r--src/cmd/mkinitramfs.sh2
-rw-r--r--src/control.sh2
-rw-r--r--src/fd.sh2
-rw-r--r--src/main.sh2
-rw-r--r--src/mutex.sh2
-rw-r--r--src/profile/proteanos.sh2
-rw-r--r--src/rand.sh4
-rw-r--r--src/session.sh4
-rw-r--r--src/substvars.sh2
12 files changed, 14 insertions, 14 deletions
diff --git a/src/block.sh b/src/block.sh
index f3fb8da..bb46e25 100644
--- a/src/block.sh
+++ b/src/block.sh
@@ -73,7 +73,7 @@ block_umount()
i=0
timed_out=false
while ! umount "${dir}"; do
- i=$(($i + 1))
+ i=$((${i} + 1))
if [ ${i} -eq 10 ]; then
timed_out=true
break
diff --git a/src/cmd/install.sh b/src/cmd/install.sh
index 638cbd1..a6c208a 100644
--- a/src/cmd/install.sh
+++ b/src/cmd/install.sh
@@ -32,7 +32,7 @@ cmd_install_main()
print_cmd_usage 'install' >&2
return 1
fi
- shift $(($OPTIND - 1))
+ shift $((${OPTIND} - 1))
if [ ${#} -lt 2 ]; then
print_cmd_usage 'install' >&2
diff --git a/src/cmd/installer-pc.sh b/src/cmd/installer-pc.sh
index 0c16ddf..19836c4 100644
--- a/src/cmd/installer-pc.sh
+++ b/src/cmd/installer-pc.sh
@@ -35,7 +35,7 @@ cmd_installer_pc_main()
print_cmd_usage 'installer-pc' >&2
return 1
fi
- shift $(($OPTIND - 1))
+ shift $((${OPTIND} - 1))
if [ "x${cmd_installer_pc_opt_a-}" = 'x' ]; then
print_cmd_usage 'installer-pc' >&2
diff --git a/src/cmd/mkinitramfs.sh b/src/cmd/mkinitramfs.sh
index 41e6327..3177071 100644
--- a/src/cmd/mkinitramfs.sh
+++ b/src/cmd/mkinitramfs.sh
@@ -31,7 +31,7 @@ cmd_mkinitramfs_main()
print_cmd_usage 'mkinitramfs' >&2
return 1
fi
- shift $(($OPTIND - 1))
+ shift $((${OPTIND} - 1))
if [ "x${cmd_mkinitramfs_opt_l-}" = 'x' ]; then
print_cmd_usage 'mkinitramfs' >&2
diff --git a/src/control.sh b/src/control.sh
index b25d00b..c8d742c 100644
--- a/src/control.sh
+++ b/src/control.sh
@@ -39,7 +39,7 @@ parse_control()
in_paragraph='false'
while IFS='' read -r line; do
- control_line_nr=$(($control_line_nr + 1))
+ control_line_nr=$((${control_line_nr} + 1))
if [ "x$(echo ${line})" = 'x' ]; then
# Paragraph end.
if ${in_paragraph}; then
diff --git a/src/fd.sh b/src/fd.sh
index c52efec..345eee6 100644
--- a/src/fd.sh
+++ b/src/fd.sh
@@ -60,7 +60,7 @@ fopen()
fd=${i}
break
fi
- i=$(($i + 1))
+ i=$((${i} + 1))
done
if [ "x${fd:+set}" != 'xset' ]; then
error "$(get_msg 'emfile')"
diff --git a/src/main.sh b/src/main.sh
index 054363d..c26f5a6 100644
--- a/src/main.sh
+++ b/src/main.sh
@@ -65,7 +65,7 @@ main()
cmd_help_main >&2
return 1
fi
- shift $(($OPTIND - 1))
+ shift $((${OPTIND} - 1))
if ${opt_h:-false}; then
cmd='help'
diff --git a/src/mutex.sh b/src/mutex.sh
index fe74760..60ab07d 100644
--- a/src/mutex.sh
+++ b/src/mutex.sh
@@ -34,7 +34,7 @@ mutex_timedlock()
while ! mutex_trylock "${mutex}"; do
[ ${timeout} -eq 0 ] && return 1
- timeout=$(($timeout - 1))
+ timeout=$((${timeout} - 1))
sleep 1
done
diff --git a/src/profile/proteanos.sh b/src/profile/proteanos.sh
index 6991937..fbf0124 100644
--- a/src/profile/proteanos.sh
+++ b/src/profile/proteanos.sh
@@ -99,7 +99,7 @@ prof_proteanos_select_mirror()
'http://files.proteanos.com/pub/proteanos-mirrors-http')"
mirrors_count=$(printf '%s\n' "${mirrors}" | wc -l)
rand
- mirror_num=$(($rand_x % $mirrors_count + 1))
+ mirror_num=$((${rand_x} % ${mirrors_count} + 1))
printf '%s\n' "${mirrors}" | sed -n "${mirror_num}p"
}
diff --git a/src/rand.sh b/src/rand.sh
index 872d3fb..f2b3cd4 100644
--- a/src/rand.sh
+++ b/src/rand.sh
@@ -37,6 +37,6 @@ srand()
rand()
{
# Increment, multiplier, and modulus values are those used in glibc.
- rand_x=$((1103515245 * $rand_x + 12345))
- rand_x=$(($rand_x % 4294967296))
+ rand_x=$((1103515245 * ${rand_x} + 12345))
+ rand_x=$((${rand_x} % 4294967296))
}
diff --git a/src/session.sh b/src/session.sh
index 2ddf6ff..61211a4 100644
--- a/src/session.sh
+++ b/src/session.sh
@@ -196,7 +196,7 @@ session_set_sigs()
i=0
session_sigs=''
while [ ${i} -lt 127 ]; do
- i=$(($i + 1))
+ i=$((${i} + 1))
sig="$(kill -l ${i} 2>/dev/null)" || continue
case "${sig}" in
'HUP' | 'INT' | 'QUIT' | 'ABRT' | 'ALRM' | 'TERM')
@@ -213,5 +213,5 @@ session_handle_sig()
session_end
- exit $((128 + $sig))
+ exit $((128 + ${sig}))
}
diff --git a/src/substvars.sh b/src/substvars.sh
index c2bc3f8..38661c1 100644
--- a/src/substvars.sh
+++ b/src/substvars.sh
@@ -94,7 +94,7 @@ substvars()
name="$(printf '%s\n' "${name}" | tr 'A-Z-' 'a-z_')"
value="$(eval "printf '%s\n' \"\${substvar_${name}}\"")"
string="${lhs}${value}${rhs}"
- depth=$(($depth + 1))
+ depth=$((${depth} + 1))
done
printf '%s\n' "${string}"