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Only update view of micrdescriptor pos if pos is fetchable.

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It's conceivable (but probably impossible given our code) that lseek
could return -1 on an error; when that happens, we don't want off to
become -1.

Fixes CID 1035124.
This commit is contained in:
Nick Mathewson 2013-11-22 12:38:58 -05:00
parent a7410c9199
commit 23dae51976
1 changed files with 2 additions and 1 deletions
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src/or/microdesc.c
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@ -475,7 +475,8 @@ microdesc_cache_rebuild(microdesc_cache_t *cache, int force)
"By my count, I'm at "I64_FORMAT
", but I should be at "I64_FORMAT,
I64_PRINTF_ARG(off), I64_PRINTF_ARG(off_real));
off = off_real;
if (off_real >= 0)
off = off_real;
}
if (md->saved_location != SAVED_IN_CACHE) {
tor_free(md->body);