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From: klamer@mi.eltn.utwente.nl (Klamer Schutte)
Newsgroups: comp.os.minix
Subject: rm(1) dumps core + fix
Summary: check your arguments!
Message-ID: <klamer.671114527@mi.eltn.utwente.nl>
Date: 8 Apr 91 12:42:07 GMT
Article-I.D.: mi.klamer.671114527
Sender: news@utrcu1.UUCP
Organization: University of Twente, BSC-El
Lines: 52

The program rm dumps core on atari-st when called as:
rm -rf
This because there was no test for the possibility of no arguments.
Fix is below

Klamer

PS You should patchthis against /usr/src/commands/rm.c
   (I have to learn working with rcs ;-)

echo x - rm.c.cdif
sed '/^X/s///' > rm.c.cdif << '/'
X*** 1.1	1991/04/08 11:50:34
X--- 1.2	1991/04/08 11:56:06
X***************
X*** 19,25 ****
X    if (argc < 2) usage();
X    *++argv;
X    --argc;
X!   while (**argv == '-') {
X  	opt = *argv;
X  	while (*++opt != '\0') switch (*opt) {
X  		    case 'f':	fflag++;	break;
X--- 19,25 ----
X    if (argc < 2) usage();
X    *++argv;
X    --argc;
X!   while ((argc >= 1) && (**argv == '-')) {
X  	opt = *argv;
X  	while (*++opt != '\0') switch (*opt) {
X  		    case 'f':	fflag++;	break;
/
echo x - rm.uue
sed '/^X/s///' > rm.uue << '/'
Xtable
X !"#$%&'()*+,-./0123456789:;<=>?
X@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_
Xbegin 644 rm.c.cdif.Z
XM'YV-*@*"B.$B1H(8.7+$> &#!D,< V/HJ %#QPP:"EIH'.A"QL&$"QL^C#C1z
XMA@X8-A0$7,FRI0J5 A&RD%$#!$L%('*"2&,&!(HP<LZ, <$#A(P4(.K,"7.Fy
XM#(H4.W#J5+%B!= S=J+J!*'QZIBH(73>09.&31F? :_: =&C!X@3+4X@W2,Ux
XMP1LX=-C:5*L51(*Q9<^BH+KB;MX0;D]P@2$7Q)P[:>B,08/6\-RZ";:."3/Gw
XM[ DS)W0D,&.&#=.J.Q*(D5,FS)JH&EL,S#&S9NP64G/R].F5J%&D2IDZA9K;v
XM9E6^Q;L&_:H@;$[ 9GW^7 ["A]L82$V80*M"+=O$<5-<SFD7K][N0;/6A2Z8u
XBL&$0B-\N;OPX\N3*>,?[S:QS<^>WH(E&FFEGH*8::ZY%!6D7t
X s
Xend
/
-- 
Klamer Schutte
Faculty of electrical engineering -- University of Twente, The Netherlands
klamer@mi.eltn.utwente.nl	{backbone}!mcsun!mi.eltn.utwente.nl!klamer