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| author | Rich Felker <dalias@aerifal.cx> | 2015-06-13 04:42:38 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2015-06-13 04:42:38 +0000 |
| commit | f8f565df467c13248104223f99abf7f37cef7584 (patch) | |
| tree | c2b4b927fc584f690b674b8ad9a7ecc8b9b5e01f | |
| parent | f9e25d813860d53cd1e9b6145cc63375d2fe2529 (diff) | |
| download | musl-f8f565df467c13248104223f99abf7f37cef7584.tar.gz musl-f8f565df467c13248104223f99abf7f37cef7584.tar.bz2 musl-f8f565df467c13248104223f99abf7f37cef7584.tar.xz musl-f8f565df467c13248104223f99abf7f37cef7584.zip | |
add printing of null %s arguments as "(null)" in wide printf
this is undefined, but supported in our implementation of the normal
printf, so for consistency the wide variant should support it too.
| -rw-r--r-- | src/stdio/vfwprintf.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/stdio/vfwprintf.c b/src/stdio/vfwprintf.c index 281f4e56..deff9828 100644 --- a/src/stdio/vfwprintf.c +++ b/src/stdio/vfwprintf.c @@ -296,6 +296,7 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_ case 'm': arg.p = strerror(errno); case 's': + if (!arg.p) arg.p = "(null)"; bs = arg.p; if (p<0) p = INT_MAX; for (i=l=0; l<p && (i=mbtowc(&wc, bs, MB_LEN_MAX))>0; bs+=i, l++); |