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fix from lark: make memarea_strndup() work even at the end of a mmap chunk. Bug was harmless for now, I think.

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svn:r19094
This commit is contained in:
Nick Mathewson 2009-03-21 11:52:53 +00:00
parent 4962e466b2
commit 0fa01654b9
2 changed files with 5 additions and 1 deletions
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4
ChangeLog
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@ -12,6 +12,10 @@ Changes in version 0.2.1.14-??? - 2009-03-??
0.2.0.33. 0.2.0.33.
- Avoid double-free on list of successfully uploaded hidden - Avoid double-free on list of successfully uploaded hidden
service discriptors. Fix for bug 948. Bugfix on 0.2.1.6-alpha. service discriptors. Fix for bug 948. Bugfix on 0.2.1.6-alpha.
- Change memarea_strndup() implementation to work even when
duplicating a string at the end of a page. This bug was
harmless for now, but could have meant crashes later. Fix by
lark. Bugfix on 0.2.1.1-alpha.
o Minor features (controller): o Minor features (controller):
- Try harder to look up nicknames for routers on a circuit when - Try harder to look up nicknames for routers on a circuit when

2
src/common/memarea.c
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@ -237,7 +237,7 @@ memarea_strndup(memarea_t *area, const char *s, size_t n)
size_t ln; size_t ln;
char *result; char *result;
const char *cp, *end = s+n; const char *cp, *end = s+n;
for (cp = s; *cp && cp < end; ++cp) for (cp = s; cp < end && *cp; ++cp)
; ;
/* cp now points to s+n, or to the 0 in the string. */ /* cp now points to s+n, or to the 0 in the string. */
ln = cp-s; ln = cp-s;