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tui: Perform length safety check in comparison macros.

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Jonathan de Boyne Pollard
2017-05-28 15:30:46 +01:00
parent 41403c6d25
commit 32396b5879
1 changed files with 4 additions and 2 deletions
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6
src/nvim/tui/tui.c
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@@ -44,14 +44,16 @@
#define OUTBUF_SIZE 0xffff
#define TOO_MANY_EVENTS 1000000
#define STARTS_WITH(str, prefix) (!memcmp((str), (prefix), sizeof(prefix) - 1))
#define STARTS_WITH(str, prefix) (strlen(term) >= (sizeof(prefix) - 1) \
&& 0 == memcmp((str), (prefix), sizeof(prefix) - 1))
#define TMUX_WRAP(is_tmux,seq) ((is_tmux) ? "\x1bPtmux;\x1b" seq "\x1b\\" : seq)
#define LINUXRESETC "\x1b[?0c"
// Per the commentary in terminfo, only a minus sign is a true suffix
// separator.
#define TERMINAL_FAMILY(term, prefix) ((term) \
&& (0 == memcmp((term), (prefix), sizeof(prefix) - 1)) \
&& strlen(term) >= (sizeof(prefix) - 1) \
&& 0 == memcmp((term), (prefix), sizeof(prefix) - 1) \
&& ('\0' == (term)[sizeof(prefix) - 1] || '-' == (term)[sizeof(prefix) - 1]))
typedef struct {