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menuselect/menuselect_curses: Resolves sprintf usage error 

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 c857c71342
commit 8732d62334
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)) {