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authorAtish Patra <atish.patra@wdc.com>2019-02-28 04:42:17 +0300
committerAnup Patel <anup@brainfault.org>2019-03-05 11:35:12 +0300
commit86cc9b8633bea3bc6fbda145424f871ea553af9e (patch)
treedd63e0eee35ed225059db03f36405842715792bb /include
parent05602e2bf4812533adcb7acb1a67e43726c0e7bb (diff)
downloadopensbi-86cc9b8633bea3bc6fbda145424f871ea553af9e.tar.xz
lib:platform: Fix sbi_getc return type.
As per the current SBI specification, sbi_getc should return an int instead of char. In case of FIFO is empty, return -1 as per the specification. Reported-by: Sergi Granell <xerpi.g.12@gmail.com> Suggested-by:Thadeu Lima de Souza Cascardo <cascardo@cascardo.eti.br> Signed-off-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'include')
-rw-r--r--include/sbi/sbi_console.h2
-rw-r--r--include/sbi/sbi_platform.h6
2 files changed, 4 insertions, 4 deletions
diff --git a/include/sbi/sbi_console.h b/include/sbi/sbi_console.h
index 8069669..0fd58e7 100644
--- a/include/sbi/sbi_console.h
+++ b/include/sbi/sbi_console.h
@@ -16,7 +16,7 @@
bool sbi_isprintable(char ch);
-char sbi_getc(void);
+int sbi_getc(void);
void sbi_putc(char ch);
diff --git a/include/sbi/sbi_platform.h b/include/sbi/sbi_platform.h
index 8f4f44b..fe04c2f 100644
--- a/include/sbi/sbi_platform.h
+++ b/include/sbi/sbi_platform.h
@@ -77,7 +77,7 @@ struct sbi_platform {
/** Write a character to the platform console output */
void (*console_putc)(char ch);
/** Read a character from the platform console input */
- char (*console_getc)(void);
+ int (*console_getc)(void);
/** Initialize the platform console */
int (*console_init)(void);
@@ -283,11 +283,11 @@ static inline void sbi_platform_console_putc(struct sbi_platform *plat,
*
* @return character read from console input
*/
-static inline char sbi_platform_console_getc(struct sbi_platform *plat)
+static inline int sbi_platform_console_getc(struct sbi_platform *plat)
{
if (plat && plat->console_getc)
return plat->console_getc();
- return 0;
+ return -1;
}
/**