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-rw-r--r--arch/sandbox/cpu/os.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index b72dafca2b..6837bfceaf 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -211,6 +211,16 @@ int os_map_file(const char *pathname, int os_flags, void **bufp, int *sizep)
return 0;
}
+int os_unmap(void *buf, int size)
+{
+ if (munmap(buf, size)) {
+ printf("Can't unmap %p %x\n", buf, size);
+ return -EIO;
+ }
+
+ return 0;
+}
+
/* Restore tty state when we exit */
static struct termios orig_term;
static bool term_setup;
@@ -628,7 +638,7 @@ int os_get_filesize(const char *fname, loff_t *size)
void os_putc(int ch)
{
- putchar(ch);
+ fputc(ch, stdout);
}
void os_puts(const char *str)