From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anup Patel Date: Fri, 10 Feb 2023 11:16:47 +0530 Subject: [PATCH v6 3/8] lib: sbi: Add sbi_ngets() function In-Reply-To: <20230210054652.495628-1-apatel@ventanamicro.com> References: <20230210054652.495628-1-apatel@ventanamicro.com> Message-ID: <20230210054652.495628-4-apatel@ventanamicro.com> List-Id: To: opensbi@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit We add new sbi_ngets() which help us read characters into a physical memory location. Signed-off-by: Anup Patel Reviewed-by: Atish Patra Reviewed-by: Andrew Jones --- include/sbi/sbi_console.h | 2 ++ lib/sbi/sbi_console.c | 15 +++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/include/sbi/sbi_console.h b/include/sbi/sbi_console.h index dd6a905..3c1f5e5 100644 --- a/include/sbi/sbi_console.h +++ b/include/sbi/sbi_console.h @@ -37,6 +37,8 @@ unsigned long sbi_nputs(const char *str, unsigned long len); void sbi_gets(char *s, int maxwidth, char endchar); +unsigned long sbi_ngets(char *str, unsigned long len); + int __printf(2, 3) sbi_sprintf(char *out, const char *format, ...); int __printf(3, 4) sbi_snprintf(char *out, u32 out_sz, const char *format, ...); diff --git a/lib/sbi/sbi_console.c b/lib/sbi/sbi_console.c index 2f83a26..c734bc0 100644 --- a/lib/sbi/sbi_console.c +++ b/lib/sbi/sbi_console.c @@ -76,6 +76,21 @@ void sbi_gets(char *s, int maxwidth, char endchar) *retval = '\0'; } +unsigned long sbi_ngets(char *str, unsigned long len) +{ + int ch; + unsigned long i; + + for (i = 0; i < len; i++) { + ch = sbi_getc(); + if (ch < 0) + break; + str[i] = ch; + } + + return i; +} + #define PAD_RIGHT 1 #define PAD_ZERO 2 #define PAD_ALTERNATE 4 -- 2.34.1