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21663: check for string overflow

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This commit is contained in:
Andrey Borzenkov 2005-08-18 18:15:44 +00:00
parent 2396eb34e4
commit c26b8accb4
2 changed files with 10 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2005-08-18 Andrey Borzenkov <bor@zsh.org>
* 21663: Src/Zle/complete.c: check for string overflow
in do_comp_vars()
2005-08-18 Peter Stephenson <pws@csr.com>
* unposted: Doc/Zsh/contrib.yo, Functions/Zle/insert-unicode-char:

9
Src/Zle/complete.c
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@ -821,6 +821,8 @@ do_comp_vars(int test, int na, char *sa, int nb, char *sb, int mod)
add = -1;
} else {
p = compprefix + 1 + (*compprefix == Meta);
if (p > compprefix + l)
p = compprefix + l;
add = 1;
}
for (;;) {
@ -833,10 +835,9 @@ do_comp_vars(int test, int na, char *sa, int nb, char *sb, int mod)
if (add > 0) {
if (p == compprefix + l)
return 0;
if (*p == Meta)
p += 2;
else
p++;
p = p + 1 + (*p == Meta);
if (p > compprefix + l)
p = compprefix + l;
} else {
if (p == compprefix)
return 0;