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-rw-r--r--cmd/test.c214
1 files changed, 214 insertions, 0 deletions
diff --git a/cmd/test.c b/cmd/test.c
new file mode 100644
index 00000000000..7285f75469f
--- /dev/null
+++ b/cmd/test.c
@@ -0,0 +1,214 @@
+/*
+ * Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <fs.h>
+
+#define OP_INVALID 0
+#define OP_NOT 1
+#define OP_OR 2
+#define OP_AND 3
+#define OP_STR_EMPTY 4
+#define OP_STR_NEMPTY 5
+#define OP_STR_EQ 6
+#define OP_STR_NEQ 7
+#define OP_STR_LT 8
+#define OP_STR_GT 9
+#define OP_INT_EQ 10
+#define OP_INT_NEQ 11
+#define OP_INT_LT 12
+#define OP_INT_LE 13
+#define OP_INT_GT 14
+#define OP_INT_GE 15
+#define OP_FILE_EXISTS 16
+
+const struct {
+ int arg;
+ const char *str;
+ int op;
+ int adv;
+} op_adv[] = {
+ {1, "=", OP_STR_EQ, 3},
+ {1, "!=", OP_STR_NEQ, 3},
+ {1, "<", OP_STR_LT, 3},
+ {1, ">", OP_STR_GT, 3},
+ {1, "-eq", OP_INT_EQ, 3},
+ {1, "-ne", OP_INT_NEQ, 3},
+ {1, "-lt", OP_INT_LT, 3},
+ {1, "-le", OP_INT_LE, 3},
+ {1, "-gt", OP_INT_GT, 3},
+ {1, "-ge", OP_INT_GE, 3},
+ {0, "!", OP_NOT, 1},
+ {0, "-o", OP_OR, 1},
+ {0, "-a", OP_AND, 1},
+ {0, "-z", OP_STR_EMPTY, 2},
+ {0, "-n", OP_STR_NEMPTY, 2},
+ {0, "-e", OP_FILE_EXISTS, 4},
+};
+
+static int do_test(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ char * const *ap;
+ int i, op, left, adv, expr, last_expr, last_unop, last_binop;
+
+ /* args? */
+ if (argc < 3)
+ return 1;
+
+#ifdef DEBUG
+ {
+ debug("test(%d):", argc);
+ left = 1;
+ while (argv[left])
+ debug(" '%s'", argv[left++]);
+ }
+#endif
+
+ left = argc - 1;
+ ap = argv + 1;
+ expr = 0;
+ last_unop = OP_INVALID;
+ last_binop = OP_INVALID;
+ last_expr = -1;
+ while (left > 0) {
+ for (i = 0; i < ARRAY_SIZE(op_adv); i++) {
+ if (left <= op_adv[i].arg)
+ continue;
+ if (!strcmp(ap[op_adv[i].arg], op_adv[i].str)) {
+ op = op_adv[i].op;
+ adv = op_adv[i].adv;
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(op_adv)) {
+ expr = 1;
+ break;
+ }
+ if (left < adv) {
+ expr = 1;
+ break;
+ }
+
+ switch (op) {
+ case OP_STR_EMPTY:
+ expr = strlen(ap[1]) == 0 ? 1 : 0;
+ break;
+ case OP_STR_NEMPTY:
+ expr = strlen(ap[1]) == 0 ? 0 : 1;
+ break;
+ case OP_STR_EQ:
+ expr = strcmp(ap[0], ap[2]) == 0;
+ break;
+ case OP_STR_NEQ:
+ expr = strcmp(ap[0], ap[2]) != 0;
+ break;
+ case OP_STR_LT:
+ expr = strcmp(ap[0], ap[2]) < 0;
+ break;
+ case OP_STR_GT:
+ expr = strcmp(ap[0], ap[2]) > 0;
+ break;
+ case OP_INT_EQ:
+ expr = simple_strtol(ap[0], NULL, 10) ==
+ simple_strtol(ap[2], NULL, 10);
+ break;
+ case OP_INT_NEQ:
+ expr = simple_strtol(ap[0], NULL, 10) !=
+ simple_strtol(ap[2], NULL, 10);
+ break;
+ case OP_INT_LT:
+ expr = simple_strtol(ap[0], NULL, 10) <
+ simple_strtol(ap[2], NULL, 10);
+ break;
+ case OP_INT_LE:
+ expr = simple_strtol(ap[0], NULL, 10) <=
+ simple_strtol(ap[2], NULL, 10);
+ break;
+ case OP_INT_GT:
+ expr = simple_strtol(ap[0], NULL, 10) >
+ simple_strtol(ap[2], NULL, 10);
+ break;
+ case OP_INT_GE:
+ expr = simple_strtol(ap[0], NULL, 10) >=
+ simple_strtol(ap[2], NULL, 10);
+ break;
+ case OP_FILE_EXISTS:
+ expr = file_exists(ap[1], ap[2], ap[3], FS_TYPE_ANY);
+ break;
+ }
+
+ switch (op) {
+ case OP_OR:
+ last_expr = expr;
+ last_binop = OP_OR;
+ break;
+ case OP_AND:
+ last_expr = expr;
+ last_binop = OP_AND;
+ break;
+ case OP_NOT:
+ if (last_unop == OP_NOT)
+ last_unop = OP_INVALID;
+ else
+ last_unop = OP_NOT;
+ break;
+ default:
+ if (last_unop == OP_NOT) {
+ expr = !expr;
+ last_unop = OP_INVALID;
+ }
+
+ if (last_binop == OP_OR)
+ expr = last_expr || expr;
+ else if (last_binop == OP_AND)
+ expr = last_expr && expr;
+ last_binop = OP_INVALID;
+
+ break;
+ }
+
+ ap += adv; left -= adv;
+ }
+
+ expr = !expr;
+
+ debug (": returns %d\n", expr);
+
+ return expr;
+}
+
+#undef true
+#undef false
+
+U_BOOT_CMD(
+ test, CONFIG_SYS_MAXARGS, 1, do_test,
+ "minimal test like /bin/sh",
+ "[args..]"
+);
+
+static int do_false(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return 1;
+}
+
+U_BOOT_CMD(
+ false, CONFIG_SYS_MAXARGS, 1, do_false,
+ "do nothing, unsuccessfully",
+ NULL
+);
+
+static int do_true(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return 0;
+}
+
+U_BOOT_CMD(
+ true, CONFIG_SYS_MAXARGS, 1, do_true,
+ "do nothing, successfully",
+ NULL
+);