fix obsolete POSIX head/tail calls

1 files changed, 88 insertions, 88 deletions

diff --git a/Makefile b/Makefile
index 1483434..946f0ab 100644
--- a/Makefile
+++ b/Makefile
@@ -23,8 +23,8 @@ compile alloc_re.c alloc.h byte.h
 auto-ccld.sh: \
 conf-cc conf-ld warn-auto.sh
         ( cat warn-auto.sh; \
-        echo CC=\'`head -1 conf-cc`\'; \
-        echo LD=\'`head -1 conf-ld`\' \
+        echo CC=\'`head -n 1 conf-cc`\'; \
+        echo LD=\'`head -n 1 conf-ld`\' \
         ) > auto-ccld.sh
 
 auto-gid: \
@@ -72,7 +72,7 @@ scan.h fmt.h
 auto_break.c: \
 auto-str conf-break
         ./auto-str auto_break \
-        "`head -1 conf-break`" > auto_break.c
+        "`head -n 1 conf-break`" > auto_break.c
 
 auto_break.o: \
 compile auto_break.c
@@ -80,7 +80,7 @@ compile auto_break.c
 
 auto_patrn.c: \
 auto-int8 conf-patrn
-        ./auto-int8 auto_patrn `head -1 conf-patrn` > auto_patrn.c
+        ./auto-int8 auto_patrn `head -n 1 conf-patrn` > auto_patrn.c
 
 auto_patrn.o: \
 compile auto_patrn.c
@@ -88,7 +88,7 @@ compile auto_patrn.c
 
 auto_qmail.c: \
 auto-str conf-qmail
-        ./auto-str auto_qmail `head -1 conf-qmail` > auto_qmail.c
+        ./auto-str auto_qmail `head -n 1 conf-qmail` > auto_qmail.c
 
 auto_qmail.o: \
 compile auto_qmail.c
@@ -96,7 +96,7 @@ compile auto_qmail.c
 
 auto_spawn.c: \
 auto-int conf-spawn
-        ./auto-int auto_spawn `head -1 conf-spawn` > auto_spawn.c
+        ./auto-int auto_spawn `head -n 1 conf-spawn` > auto_spawn.c
 
 auto_spawn.o: \
 compile auto_spawn.c
@@ -104,7 +104,7 @@ compile auto_spawn.c
 
 auto_split.c: \
 auto-int conf-split
-        ./auto-int auto_split `head -1 conf-split` > auto_split.c
+        ./auto-int auto_split `head -n 1 conf-split` > auto_split.c
 
 auto_split.o: \
 compile auto_split.c
@@ -112,16 +112,16 @@ compile auto_split.c
 
 auto_uids.c: \
 auto-uid auto-gid conf-users conf-groups
-        ( ./auto-uid auto_uida `head -1 conf-users` \
-        &&./auto-uid auto_uidd `head -2 conf-users | tail -1` \
-        &&./auto-uid auto_uidl `head -3 conf-users | tail -1` \
-        &&./auto-uid auto_uido `head -4 conf-users | tail -1` \
-        &&./auto-uid auto_uidp `head -5 conf-users | tail -1` \
-        &&./auto-uid auto_uidq `head -6 conf-users | tail -1` \
-        &&./auto-uid auto_uidr `head -7 conf-users | tail -1` \
-        &&./auto-uid auto_uids `head -8 conf-users | tail -1` \
-        &&./auto-gid auto_gidq `head -1 conf-groups` \
-        &&./auto-gid auto_gidn `head -2 conf-groups | tail -1` \
+        ( ./auto-uid auto_uida `head -n 1 conf-users` \
+        &&./auto-uid auto_uidd `head -n 2 conf-users | tail -n 1` \
+        &&./auto-uid auto_uidl `head -n 3 conf-users | tail -n 1` \
+        &&./auto-uid auto_uido `head -n 4 conf-users | tail -n 1` \
+        &&./auto-uid auto_uidp `head -n 5 conf-users | tail -n 1` \
+        &&./auto-uid auto_uidq `head -n 6 conf-users | tail -n 1` \
+        &&./auto-uid auto_uidr `head -n 7 conf-users | tail -n 1` \
+        &&./auto-uid auto_uids `head -n 8 conf-users | tail -n 1` \
+        &&./auto-gid auto_gidq `head -n 1 conf-groups` \
+        &&./auto-gid auto_gidn `head -n 2 conf-groups | tail -n 1` \
         ) > auto_uids.c.tmp && mv auto_uids.c.tmp auto_uids.c
 
 auto_uids.o: \
@@ -130,7 +130,7 @@ compile auto_uids.c
 
 auto_usera.c: \
 auto-str conf-users
-        ./auto-str auto_usera `head -1 conf-users` > auto_usera.c
+        ./auto-str auto_usera `head -n 1 conf-users` > auto_usera.c
 
 auto_usera.o: \
 compile auto_usera.c
@@ -143,42 +143,42 @@ compile base64.c base64.h stralloc.h substdio.h str.h
 binm1: \
 binm1.sh conf-qmail
         cat binm1.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > binm1
         chmod 755 binm1
 
 binm1+df: \
 binm1+df.sh conf-qmail
         cat binm1+df.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > binm1+df
         chmod 755 binm1+df
 
 binm2: \
 binm2.sh conf-qmail
         cat binm2.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > binm2
         chmod 755 binm2
 
 binm2+df: \
 binm2+df.sh conf-qmail
         cat binm2+df.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > binm2+df
         chmod 755 binm2+df
 
 binm3: \
 binm3.sh conf-qmail
         cat binm3.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > binm3
         chmod 755 binm3
 
 binm3+df: \
 binm3+df.sh conf-qmail
         cat binm3+df.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > binm3+df
         chmod 755 binm3+df
 
@@ -341,18 +341,18 @@ wait.h seek.h qmail.h substdio.h strerr.h substdio.h fmt.h
 config: \
 warn-auto.sh config.sh conf-qmail conf-break conf-split
         cat warn-auto.sh config.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > config
         chmod 755 config
 
 config-fast: \
 warn-auto.sh config-fast.sh conf-qmail conf-break conf-split
         cat warn-auto.sh config-fast.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > config-fast
         chmod 755 config-fast
 
@@ -372,9 +372,9 @@ compile date822fmt.c datetime.h fmt.h date822fmt.h
 datemail: \
 warn-auto.sh datemail.sh conf-qmail conf-break conf-split
         cat warn-auto.sh datemail.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > datemail
         chmod 755 datemail
 
@@ -482,17 +482,17 @@ dot-qmail.5
 dot-qmail.5: \
 dot-qmail.9 conf-break conf-spawn
         cat dot-qmail.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > dot-qmail.5
 
 elq: \
 warn-auto.sh elq.sh conf-qmail conf-break conf-split
         cat warn-auto.sh elq.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > elq
         chmod 755 elq
 
@@ -712,14 +712,14 @@ compile hier.c auto_qmail.h auto_split.h auto_uids.h fmt.h fifo.h
 home: \
 home.sh conf-qmail
         cat home.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > home
         chmod 755 home
 
 home+df: \
 home+df.sh conf-qmail
         cat home+df.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > home+df
         chmod 755 home+df
 
@@ -929,9 +929,9 @@ compile strpidt.c
 mailsubj: \
 warn-auto.sh mailsubj.sh conf-qmail conf-break conf-split
         cat warn-auto.sh mailsubj.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > mailsubj
         chmod 755 mailsubj
 
@@ -1031,9 +1031,9 @@ compile open_write.c open.h
 pinq: \
 warn-auto.sh pinq.sh conf-qmail conf-break conf-split
         cat warn-auto.sh pinq.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > pinq
         chmod 755 pinq
 
@@ -1071,14 +1071,14 @@ gen_alloc.h
 proc: \
 proc.sh conf-qmail
         cat proc.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > proc
         chmod 755 proc
 
 proc+df: \
 proc+df.sh conf-qmail
         cat proc+df.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > proc+df
         chmod 755 proc+df
 
@@ -1089,9 +1089,9 @@ compile prot.c hasshsgr.h prot.h
 qail: \
 warn-auto.sh qail.sh conf-qmail conf-break conf-split
         cat warn-auto.sh qail.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > qail
         chmod 755 qail
 
@@ -1138,9 +1138,9 @@ qmail-control.5
 qmail-control.5: \
 qmail-control.9 conf-break conf-spawn
         cat qmail-control.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-control.5
 
 qmail-getpw: \
@@ -1156,9 +1156,9 @@ qmail-getpw.8
 qmail-getpw.8: \
 qmail-getpw.9 conf-break conf-spawn
         cat qmail-getpw.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-getpw.8
 
 qmail-getpw.o: \
@@ -1201,9 +1201,9 @@ qmail-limits.7
 qmail-limits.7: \
 qmail-limits.9 conf-break conf-spawn
         cat qmail-limits.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-limits.7
 
 qmail-local: \
@@ -1269,9 +1269,9 @@ qmail-newmrh.8
 qmail-newmrh.8: \
 qmail-newmrh.9 conf-break conf-spawn
         cat qmail-newmrh.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-newmrh.8
 
 qmail-newmrh.o: \
@@ -1319,9 +1319,9 @@ qmail-newu.8
 qmail-newu.8: \
 qmail-newu.9 conf-break conf-spawn
         cat qmail-newu.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-newu.8
 
 qmail-newu.o: \
@@ -1385,9 +1385,9 @@ qmail-pw2u.8
 qmail-pw2u.8: \
 qmail-pw2u.9 conf-break conf-spawn
         cat qmail-pw2u.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-pw2u.8
 
 qmail-pw2u.o: \
@@ -1476,9 +1476,9 @@ exit.h
 qmail-qstat: \
 warn-auto.sh qmail-qstat.sh conf-qmail conf-break conf-split
         cat warn-auto.sh qmail-qstat.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > qmail-qstat
         chmod 755 qmail-qstat
 
@@ -1566,9 +1566,9 @@ qmail-send.8
 qmail-send.8: \
 qmail-send.9 conf-break conf-spawn
         cat qmail-send.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-send.8
 
 qmail-send.o: \
@@ -1645,9 +1645,9 @@ qmail-start.8
 qmail-start.8: \
 qmail-start.9 conf-break conf-spawn
         cat qmail-start.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-start.8
 
 qmail-start.o: \
@@ -1687,9 +1687,9 @@ fmt.h ip.h lock.h error.h exit.h datetime.h now.h datetime.h
 qmail-upq: \
 warn-auto.sh qmail-upq.sh conf-qmail conf-break conf-split
         cat warn-auto.sh qmail-upq.sh \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPLIT}"`head -1 conf-split`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPLIT}"`head -n 1 conf-split`"}g \
         > qmail-upq
         chmod 755 qmail-upq
 
@@ -1700,9 +1700,9 @@ qmail-users.5
 qmail-users.5: \
 qmail-users.9 conf-break conf-spawn
         cat qmail-users.9 \
-        | sed s}QMAILHOME}"`head -1 conf-qmail`"}g \
-        | sed s}BREAK}"`head -1 conf-break`"}g \
-        | sed s}SPAWN}"`head -1 conf-spawn`"}g \
+        | sed s}QMAILHOME}"`head -n 1 conf-qmail`"}g \
+        | sed s}BREAK}"`head -n 1 conf-break`"}g \
+        | sed s}SPAWN}"`head -n 1 conf-spawn`"}g \
         > qmail-users.5
 
 qmail.0: \
@@ -2244,14 +2244,14 @@ Makefile-cert
 Makefile-cert: \
 conf-qmail conf-users conf-groups Makefile-cert.mk
         @cat Makefile-cert.mk \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > $@
 
 update_tmprsadh: \
 conf-qmail conf-users conf-groups update_tmprsadh.sh
         @cat update_tmprsadh.sh\
-        | sed s}UGQMAILD}"`head -2 conf-users|tail -1`:`head -1 conf-groups`"}g \
-        | sed s}QMAIL}"`head -1 conf-qmail`"}g \
+        | sed s}UGQMAILD}"`head -n 2 conf-users|tail -n 1`:`head -n 1 conf-groups`"}g \
+        | sed s}QMAIL}"`head -n 1 conf-qmail`"}g \
         > $@
         chmod 755 update_tmprsadh