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printf - implement '%n'

This commit is contained in:
Petr Ledvina 2015-03-14 17:50:28 +01:00
parent ae67870db1
commit c90231f35c
1 changed files with 3 additions and 0 deletions
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3
src/main/common/printf.c
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@ -147,6 +147,9 @@ int tfp_format(void *putp, putcf putf, const char *fmt, va_list va)
case '%': case '%':
putf(putp, ch); written++; putf(putp, ch); written++;
break; break;
case 'n':
*va_arg(va, int*) = written;
break;
default: default:
break; break;
} }