* 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
+ * 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 left, adv, expr, last_expr, neg, last_cmp;
+ int i, op, left, adv, expr, last_expr, last_unop, last_binop;
/* args? */
if (argc < 3)
}
#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;
+ left = argc - 1;
+ ap = argv + 1;
+ expr = 0;
+ last_unop = OP_INVALID;
+ last_binop = OP_INVALID;
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;
-
+ 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;
}
- 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;
- }
+ 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;
}
- 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;
+ 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_cmp == 0)
+ if (last_binop == OP_OR)
expr = last_expr || expr;
- else if (last_cmp == 1)
+ else if (last_binop == OP_AND)
expr = last_expr && expr;
- last_cmp = -1;
- }
+ last_binop = OP_INVALID;
- 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;
+ break;
}
ap += adv; left -= adv;
}
- if (neg)
- expr = !expr;
-
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",
projects / karo-tx-uboot.git / blobdiff