Changeset d0febca in mainline for uspace/app/sbi/src/os/helenos.c

Timestamp:

2010-03-13T12:04:37Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7715994

Parents:

94d484a

Message:

Update SBI to rev. 100.

File:

• uspace/app/sbi/src/os/helenos.c (modified) (1 diff)

uspace/app/sbi/src/os/helenos.c

@@ -75 +75 @@
 }
 
+/** Get character from string at the given index. */
+int os_str_get_char(const char *str, int index, int *out_char)
+{
+        size_t offset;
+        int i;
+        wchar_t c;
+
+        if (index < 0)
+                return EINVAL;
+
+        offset = 0;
+        for (i = 0; i <= index; ++i) {
+                c = str_decode(str, &offset, STR_NO_LIMIT);
+                if (c == '\0')
+                        return EINVAL;
+                if (c == U_SPECIAL)
+                        return EIO;
+        }
+
+        *out_char = (int) c;
+        return EOK;
+}
+
 /** Simple command execution. */
 int os_exec(char *const cmd[])