diff options
| author | Manuel Novoa III <mjn3@codepoet.org> | 2002-04-02 00:36:12 +0000 |
|---|---|---|
| committer | Manuel Novoa III <mjn3@codepoet.org> | 2002-04-02 00:36:12 +0000 |
| commit | 4fea5868d240fc3354309df8bf6673735a0ab903 (patch) | |
| tree | a75bdd4e2af157ef06657a27f045a00efd434add | |
| parent | cecb282ed331701073fd76196ddb734b0f14ec47 (diff) | |
Fix an arg promotion handling bug in _do_one_spec for %c reported
by Ilguiz Latypov <ilatypov@superbt.com>.
| -rw-r--r-- | libc/stdio/printf.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libc/stdio/printf.c b/libc/stdio/printf.c index 5bdec7ae4..efacc6bee 100644 --- a/libc/stdio/printf.c +++ b/libc/stdio/printf.c @@ -31,6 +31,13 @@ * * ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! */ +/* 4-01-2002 + * Initialize thread locks for fake files in vsnprintf and vdprintf. + * reported by Erik Andersen (andersen@codepoet.com) + * Fix an arg promotion handling bug in _do_one_spec for %c. + * reported by Ilguiz Latypov <ilatypov@superbt.com> + */ + #define _ISOC99_SOURCE /* for ULLONG primarily... */ #define _GNU_SOURCE @@ -1074,7 +1081,7 @@ int _do_one_spec(FILE * __restrict stream, register ppfs_t *ppfs, int *count) } #endif { - register char *s; + register char *s; /* TODO: Should s be unsigned char * ? */ if (ppfs->conv_num == CONV_n) { _store_inttype(*(void **)*argptr, @@ -1172,7 +1179,7 @@ int _do_one_spec(FILE * __restrict stream, register ppfs_t *ppfs, int *count) } } else { /* char */ s = (char *) buf; - *s = *((const char *) *argptr); + *s = (unsigned char)(*((const int *) *argptr)); s[1] = 0; slen = 1; } |