重写Shell+增加更多Syscall

cleonos/c/apps/shell/shell_script.c

@@ -0,0 +1,46 @@
+#include "shell_internal.h"
+
+int ush_run_script_file(ush_state *sh, const char *path) {
+    char script[USH_SCRIPT_MAX + 1ULL];
+    char line[USH_LINE_MAX];
+    u64 got;
+    u64 i;
+    u64 line_pos = 0ULL;
+
+    if (sh == (ush_state *)0 || path == (const char *)0 || path[0] == '\0') {
+        return 0;
+    }
+
+    got = cleonos_sys_fs_read(path, script, USH_SCRIPT_MAX);
+
+    if (got == 0ULL) {
+        return 0;
+    }
+
+    if (got > USH_SCRIPT_MAX) {
+        got = USH_SCRIPT_MAX;
+    }
+
+    script[got] = '\0';
+
+    for (i = 0ULL; i <= got; i++) {
+        char ch = script[i];
+
+        if (ch == '\r') {
+            continue;
+        }
+
+        if (ch == '\n' || ch == '\0') {
+            line[line_pos] = '\0';
+            ush_execute_line(sh, line);
+            line_pos = 0ULL;
+            continue;
+        }
+
+        if (line_pos + 1ULL < (u64)sizeof(line)) {
+            line[line_pos++] = ch;
+        }
+    }
+
+    return 1;
+}