Date: Thu, 8 May 2003 15:24:42 -0700 (PDT) From: Juli Mallett <jmallett@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 30822 for review Message-ID: <200305082224.h48MOgnt086706@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=30822 Change 30822 by jmallett@jmallett_dalek on 2003/05/08 15:23:49 Add a cncheckc. Affected files ... .. //depot/projects/mips/sys/dev/arcbios/arcbios.c#8 edit Differences ... ==== //depot/projects/mips/sys/dev/arcbios/arcbios.c#8 (text+ko) ==== @@ -58,6 +58,7 @@ char arcbios_system_identifier[64 + 1]; static cn_getc_t arcbios_cngetc; +static cn_checkc_t arcbios_cncheckc; static cn_putc_t arcbios_cnputc; static void arcbios_fill_vector(struct arcbios *, const struct arcbios_fv *); @@ -65,7 +66,7 @@ struct arcbios_treewalk_context *); extern struct cdevsw arcbios_cdevsw; -CONS_DRIVER(arcbios, NULL, NULL, NULL, arcbios_cngetc, NULL, arcbios_cnputc, NULL); +CONS_DRIVER(arcbios, NULL, NULL, NULL, arcbios_cngetc, arcbios_cncheckc, arcbios_cnputc, NULL); /* * arcbios_init: @@ -257,6 +258,19 @@ return (c); } +int +arcbios_cncheckc(struct consdev *cdev) +{ + int q; + + q = (*ARCBIOS->GetReadStatus)(ARCBIOS_STDIN); + if (q == 0) { + return (arcbios_cngetc(cdev)); + } + + return (-1); +} + void arcbios_cnputc(struct consdev *cdev, int c) {
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