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| author | Denys Vlasenko | 2018-12-08 13:49:15 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2018-12-08 13:49:15 +0100 |
| commit | 136fe9bede247d3273f5e82b5e856fa5c15a922c (patch) | |
| tree | 72c105550fa30d42bfd8344a1550eacb7cc5dcb5 /libbb/lineedit.c | |
| parent | 9f00a0fdb159432f1d7232253e2180d85e5eca32 (diff) | |
| download | busybox-136fe9bede247d3273f5e82b5e856fa5c15a922c.zip busybox-136fe9bede247d3273f5e82b5e856fa5c15a922c.tar.gz | |
suppress gcc 8 aliasing warnings
function old new delta
sigprocmask_SIG_SETMASK - 16 +16
wait_for_child_or_signal 221 213 -8
dowait 432 424 -8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/lineedit.c')
| -rw-r--r-- | libbb/lineedit.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c index b6fcd7a..378f090 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -2309,6 +2309,16 @@ static int32_t reverse_i_search(int timeout) } #endif +static void sigaction2(int sig, struct sigaction *act) +{ + // Grr... gcc 8.1.1: + // "passing argument 3 to restrict-qualified parameter aliases with argument 2" + // dance around that... + struct sigaction *oact FIX_ALIASING; + oact = act; + sigaction(sig, act, oact); +} + /* maxsize must be >= 2. * Returns: * -1 on read errors or EOF, or on bare Ctrl-D, @@ -2419,7 +2429,7 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman /* Install window resize handler (NB: after *all* init is complete) */ S.SIGWINCH_handler.sa_handler = win_changed; S.SIGWINCH_handler.sa_flags = SA_RESTART; - sigaction(SIGWINCH, &S.SIGWINCH_handler, &S.SIGWINCH_handler); + sigaction2(SIGWINCH, &S.SIGWINCH_handler); #endif read_key_buffer[0] = 0; while (1) { |