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coverity/166184: Check length of str, not term

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32396b5879 add length checks to
TERMINAL_FAMILY/STARTS_WITH to ensure memcmp() wouldn't read past the
end of the string.  However, "term" was copy/pasted from TERMINAL_FAMILY
so STARTS_WITH() was unnecessarily reading the, potentially NULL, term
variable.
This commit is contained in:
James McCoy
2017-08-11 10:30:38 -04:00
parent 320b57311f
commit 9edf00bddf
1 changed files with 1 additions and 1 deletions
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2
src/nvim/tui/tui.c
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@@ -45,7 +45,7 @@
#define OUTBUF_SIZE 0xffff #define OUTBUF_SIZE 0xffff
#define TOO_MANY_EVENTS 1000000 #define TOO_MANY_EVENTS 1000000
#define STARTS_WITH(str, prefix) (strlen(term) >= (sizeof(prefix) - 1) \ #define STARTS_WITH(str, prefix) (strlen(str) >= (sizeof(prefix) - 1) \
&& 0 == memcmp((str), (prefix), sizeof(prefix) - 1)) && 0 == memcmp((str), (prefix), sizeof(prefix) - 1))
#define TMUX_WRAP(is_tmux, seq) ((is_tmux) \ #define TMUX_WRAP(is_tmux, seq) ((is_tmux) \
? "\x1bPtmux;\x1b" seq "\x1b\\" : seq) ? "\x1bPtmux;\x1b" seq "\x1b\\" : seq)