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

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The calculation of the last block size is wrong and we can
only shrink the size of the last data block, not extend it.
This commit is contained in:
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){