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menuselect/menuselect_curses: Resolves sprintf usage error

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Acccording to the man page for sprintf, using the same buffer for
output as one used as an input yields undefined behavior.
This patch should work around this problem.

ASTERISK-27903
Reported-by: Alexander Traud

Change-Id: I2213dcb454aff26457e2e4cc9c6821276463ae3a
This commit is contained in:
Matthew Fredrickson
2018-06-15 15:21:27 -05:00
parent bb0ce22b2b
commit 3570a62b32
1 changed files with 1 additions and 1 deletions
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2
menuselect/menuselect_curses.c
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@@ -227,7 +227,7 @@ static void display_mem_info(WINDOW *menu, struct member *mem, int start_y, int
buf[0] = '\0';
new_line = 1;
}
sprintf(buf, "%s%*.*s%s", buf, new_line ? 0 : 1, new_line ? 0 : 1, " ", word);
sprintf(buf + strlen(buf), "%*.*s%s", new_line ? 0 : 1, new_line ? 0 : 1, " ", word);
new_line = 0;
}
if (strlen(buf)) {