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ramfs: fix truncfile() for non multiple of extend size (64k) 

The calculation of the last block size is wrong and we can
only shrink the size of the last data block, not extend it.
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cinap_lenrek 2021-02-27 15:08:34 +01:00
parent 692919521c
commit 51f4f46ae0
1 changed files with 2 additions and 1 deletions
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3
sys/src/cmd/ramfs.c
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@ -249,7 +249,8 @@ truncfile(File *f, vlong l)
if(i < n){
o = l % ESIZE;
if(o != 0 && x->ent[i] != nil){
x->ent[i]->size = o * sizeof(Ram*);
if(o < x->ent[i]->size)
x->ent[i]->size = o;
i++;
}
while(i < n){