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authorOri Bernstein <ori@eigenstate.org>2019-12-04 11:46:42 -0800
committerOri Bernstein <ori@eigenstate.org>2019-12-04 11:46:42 -0800
commita181f3dd3e922e7acc5a3f4982584e845bddec3c (patch)
treeb59c712d25792d29325d2d9507541fb55f22d9f6 /sys/src/cmd/sam/disk.c
parentf7db45e62852ba716539247e20eaaa027b5b1c67 (diff)
acme, sam: handle >1GB files correctly
imported from plan9port, edfe3c016fe6ef10c55f7a17aab668214ec21efc
Diffstat (limited to 'sys/src/cmd/sam/disk.c')
-rw-r--r--sys/src/cmd/sam/disk.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/src/cmd/sam/disk.c b/sys/src/cmd/sam/disk.c
index 47b30bda4..e822f4811 100644
--- a/sys/src/cmd/sam/disk.c
+++ b/sys/src/cmd/sam/disk.c
@@ -71,6 +71,9 @@ disknewblock(Disk *d, uint n)
b = blist;
blist = b->next;
b->addr = d->addr;
+ if(d->addr+size < d->addr){
+ panic("temp file overflow");
+ }
d->addr += size;
}
b->n = n;