Mercurial > prosody-hg
changeset 14054:904932fc525f 13.0
util.pposix: Silence compiler warnings about unused return values
ast-grep run -p 'freopen("/dev/null", $A, $B);' -r 'if(!freopen("/dev/null", $A, $B)) { fprintf(stderr, "Failed to redirect $B to /dev/null"); }'
Thanks Victor Seva
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sun, 01 Feb 2026 14:49:34 +0100 |
| parents | ea71767067f7 |
| children | f47b4baa7934 |
| files | util-src/pposix.c |
| diffstat | 1 files changed, 11 insertions(+), 3 deletions(-) [+] |
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--- a/util-src/pposix.c Thu Jan 22 10:23:22 2026 +0000 +++ b/util-src/pposix.c Sun Feb 01 14:49:34 2026 +0100 @@ -123,9 +123,17 @@ } /* Make sure accidental use of FDs 0, 1, 2 don't cause weirdness */ - freopen("/dev/null", "r", stdin); - freopen("/dev/null", "w", stdout); - freopen("/dev/null", "w", stderr); + if(!freopen("/dev/null", "r", stdin)) { + fprintf(stderr, "Failed to redirect stdin to /dev/null"); + } + + if(!freopen("/dev/null", "w", stdout)) { + fprintf(stderr, "Failed to redirect stdout to /dev/null"); + } + + if(!freopen("/dev/null", "w", stderr)) { + fprintf(stderr, "Failed to redirect stderr to /dev/null"); + } /* Final fork, use it wisely */ if(fork()) {