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added read/write error handling to ed

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This commit is contained in:
aiju 2011-07-25 18:51:15 +02:00
parent 591c37b4b9
commit acf6c4a6a4
1 changed files with 4 additions and 0 deletions
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4
sys/src/cmd/ed.c
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@ -127,6 +127,7 @@ main(int argc, char *argv[])
char *p1, *p2;
Binit(&bcons, 0, OREAD);
Blethal(&bcons, nil);
notify(notifyf);
ARGBEGIN {
case 'o':
@ -322,6 +323,7 @@ commands(void)
free(d);
}
Binit(&iobuf, io, OREAD);
Blethal(&iobuf, nil);
setwide();
squeeze(0);
c = zero != dol;
@ -370,6 +372,7 @@ commands(void)
if((io = create(file, OWRITE, 0666)) < 0)
error(file);
Binit(&iobuf, io, OWRITE);
Blethal(&iobuf, nil);
wrapp = 0;
if(dol > zero)
putfile();
@ -669,6 +672,7 @@ rescue(void)
io = create("ed.hup", OWRITE, 0666);
if(io > 0){
Binit(&iobuf, io, OWRITE);
Blethal(&iobuf, nil);
putfile();
}
}