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-rw-r--r--common/cmd_test.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/common/cmd_test.c b/common/cmd_test.c
new file mode 100644
index 0000000..d886f89
--- /dev/null
+++ b/common/cmd_test.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+
+int do_test(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ char **ap;
+ int left, adv, expr, last_expr, neg, last_cmp;
+
+ /* args? */
+ if (argc < 3)
+ return 1;
+
+#if 0
+ {
+ printf("test:");
+ left = 1;
+ while (argv[left])
+ printf(" %s", argv[left++]);
+ }
+#endif
+
+ last_expr = 0;
+ left = argc - 1; ap = argv + 1;
+ if (left > 0 && strcmp(ap[0], "!") == 0) {
+ neg = 1;
+ ap++;
+ left--;
+ } else
+ neg = 0;
+
+ expr = -1;
+ last_cmp = -1;
+ last_expr = -1;
+ while (left > 0) {
+
+ if (strcmp(ap[0], "-o") == 0 || strcmp(ap[0], "-a") == 0)
+ adv = 1;
+ else if (strcmp(ap[0], "-z") == 0 || strcmp(ap[0], "-n") == 0)
+ adv = 2;
+ else
+ adv = 3;
+
+ if (left < adv) {
+ expr = 1;
+ break;
+ }
+
+ if (adv == 1) {
+ if (strcmp(ap[0], "-o") == 0) {
+ last_expr = expr;
+ last_cmp = 0;
+ } else if (strcmp(ap[0], "-a") == 0) {
+ last_expr = expr;
+ last_cmp = 1;
+ } else {
+ expr = 1;
+ break;
+ }
+ }
+
+ if (adv == 2) {
+ if (strcmp(ap[0], "-z") == 0)
+ expr = strlen(ap[1]) == 0 ? 1 : 0;
+ else if (strcmp(ap[0], "-n") == 0)
+ expr = strlen(ap[1]) == 0 ? 0 : 1;
+ else {
+ expr = 1;
+ break;
+ }
+
+ if (last_cmp == 0)
+ expr = last_expr || expr;
+ else if (last_cmp == 1)
+ expr = last_expr && expr;
+ last_cmp = -1;
+ }
+
+ if (adv == 3) {
+ if (strcmp(ap[1], "=") == 0)
+ expr = strcmp(ap[0], ap[2]) == 0;
+ else if (strcmp(ap[1], "!=") == 0)
+ expr = strcmp(ap[0], ap[2]) != 0;
+ else if (strcmp(ap[1], ">") == 0)
+ expr = strcmp(ap[0], ap[2]) > 0;
+ else if (strcmp(ap[1], "<") == 0)
+ expr = strcmp(ap[0], ap[2]) < 0;
+ else if (strcmp(ap[1], "-eq") == 0)
+ expr = simple_strtol(ap[0], NULL, 10) == simple_strtol(ap[2], NULL, 10);
+ else if (strcmp(ap[1], "-ne") == 0)
+ expr = simple_strtol(ap[0], NULL, 10) != simple_strtol(ap[2], NULL, 10);
+ else if (strcmp(ap[1], "-lt") == 0)
+ expr = simple_strtol(ap[0], NULL, 10) < simple_strtol(ap[2], NULL, 10);
+ else if (strcmp(ap[1], "-le") == 0)
+ expr = simple_strtol(ap[0], NULL, 10) <= simple_strtol(ap[2], NULL, 10);
+ else if (strcmp(ap[1], "-gt") == 0)
+ expr = simple_strtol(ap[0], NULL, 10) > simple_strtol(ap[2], NULL, 10);
+ else if (strcmp(ap[1], "-ge") == 0)
+ expr = simple_strtol(ap[0], NULL, 10) >= simple_strtol(ap[2], NULL, 10);
+ else {
+ expr = 1;
+ break;
+ }
+
+ if (last_cmp == 0)
+ expr = last_expr || expr;
+ else if (last_cmp == 1)
+ expr = last_expr && expr;
+ last_cmp = -1;
+ }
+
+ ap += adv; left -= adv;
+ }
+
+ if (neg)
+ expr = !expr;
+
+ expr = !expr;
+
+ debug (": returns %d\n", expr);
+
+ return expr;
+}
+
+U_BOOT_CMD(
+ test, CONFIG_SYS_MAXARGS, 1, do_test,
+ "minimal test like /bin/sh",
+ "[args..]"
+);
+
+int do_false(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ return 1;
+}
+
+U_BOOT_CMD(
+ false, CONFIG_SYS_MAXARGS, 1, do_false,
+ "do nothing, unsuccessfully",
+ NULL
+);
+
+int do_true(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ return 0;
+}
+
+U_BOOT_CMD(
+ true, CONFIG_SYS_MAXARGS, 1, do_true,
+ "do nothing, successfully",
+ NULL
+);