diff options
Diffstat (limited to 'src/stdio/vfwprintf.c')
| -rw-r--r-- | src/stdio/vfwprintf.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/stdio/vfwprintf.c b/src/stdio/vfwprintf.c index 119fdffc..18784113 100644 --- a/src/stdio/vfwprintf.c +++ b/src/stdio/vfwprintf.c @@ -125,7 +125,13 @@ static void pop_arg(union arg *arg, int type, va_list *ap) static void out(FILE *f, const wchar_t *s, size_t l) { - while (l-- && !(f->flags & F_ERR)) fputwc(*s++, f); + while (l-- && !ferror(f)) fputwc(*s++, f); +} + +static void pad(FILE *f, int n, int fl) +{ + if ((fl & LEFT_ADJ) || !n || ferror(f)) return; + fprintf(f, "%*s", n, ""); } static int getint(wchar_t **s) { @@ -264,9 +270,9 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_ case 'c': case 'C': if (w<1) w=1; - if (w>1 && !(fl&LEFT_ADJ)) fprintf(f, "%*s", w-1, ""); + pad(f, w-1, fl); out(f, &(wchar_t){t=='C' ? arg.i : btowc(arg.i)}, 1); - if (w>1 && (fl&LEFT_ADJ)) fprintf(f, "%*s", w-1, ""); + pad(f, w-1, fl^LEFT_ADJ); l = w; continue; case 'S': @@ -275,9 +281,9 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_ if (p<0 && *z) goto overflow; p = z-a; if (w<p) w=p; - if (!(fl&LEFT_ADJ)) fprintf(f, "%*s", w-p, ""); + pad(f, w-p, fl); out(f, a, p); - if ((fl&LEFT_ADJ)) fprintf(f, "%*s", w-p, ""); + pad(f, w-p, fl^LEFT_ADJ); l=w; continue; case 'm': @@ -290,14 +296,14 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_ if (p<0 && *bs) goto overflow; p=l; if (w<p) w=p; - if (!(fl&LEFT_ADJ)) fprintf(f, "%*s", w-p, ""); + pad(f, w-p, fl); bs = arg.p; while (l--) { i=mbtowc(&wc, bs, MB_LEN_MAX); bs+=i; out(f, &wc, 1); } - if ((fl&LEFT_ADJ)) fprintf(f, "%*s", w-p, ""); + pad(f, w-p, fl^LEFT_ADJ); l=w; continue; } @@ -358,7 +364,7 @@ int vfwprintf(FILE *restrict f, const wchar_t *restrict fmt, va_list ap) olderr = f->flags & F_ERR; f->flags &= ~F_ERR; ret = wprintf_core(f, fmt, &ap2, nl_arg, nl_type); - if (f->flags & F_ERR) ret = -1; + if (ferror(f)) ret = -1; f->flags |= olderr; FUNLOCK(f); va_end(ap2); |