3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
9 * Define _STDBOOL_H here to avoid macro expansion of true and false.
10 * If the future code requires macro true or false, remove this define
11 * and undef true and false before U_BOOT_CMD. This define and comment
12 * shall be removed if change to U_BOOT_CMD is made to take string
13 * instead of stringifying it.
20 static int do_test(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
23 int left, adv, expr, last_expr, neg, last_cmp;
31 debug("test(%d):", argc);
34 debug(" '%s'", argv[left++]);
39 left = argc - 1; ap = argv + 1;
40 if (left > 0 && strcmp(ap[0], "!") == 0) {
52 if (strcmp(ap[0], "-o") == 0 || strcmp(ap[0], "-a") == 0)
54 else if (strcmp(ap[0], "-z") == 0 || strcmp(ap[0], "-n") == 0)
65 if (strcmp(ap[0], "-o") == 0) {
68 } else if (strcmp(ap[0], "-a") == 0) {
78 if (strcmp(ap[0], "-z") == 0)
79 expr = strlen(ap[1]) == 0 ? 1 : 0;
80 else if (strcmp(ap[0], "-n") == 0)
81 expr = strlen(ap[1]) == 0 ? 0 : 1;
88 expr = last_expr || expr;
89 else if (last_cmp == 1)
90 expr = last_expr && expr;
95 if (strcmp(ap[1], "=") == 0)
96 expr = strcmp(ap[0], ap[2]) == 0;
97 else if (strcmp(ap[1], "!=") == 0)
98 expr = strcmp(ap[0], ap[2]) != 0;
99 else if (strcmp(ap[1], ">") == 0)
100 expr = strcmp(ap[0], ap[2]) > 0;
101 else if (strcmp(ap[1], "<") == 0)
102 expr = strcmp(ap[0], ap[2]) < 0;
103 else if (strcmp(ap[1], "-eq") == 0)
104 expr = simple_strtol(ap[0], NULL, 10) == simple_strtol(ap[2], NULL, 10);
105 else if (strcmp(ap[1], "-ne") == 0)
106 expr = simple_strtol(ap[0], NULL, 10) != simple_strtol(ap[2], NULL, 10);
107 else if (strcmp(ap[1], "-lt") == 0)
108 expr = simple_strtol(ap[0], NULL, 10) < simple_strtol(ap[2], NULL, 10);
109 else if (strcmp(ap[1], "-le") == 0)
110 expr = simple_strtol(ap[0], NULL, 10) <= simple_strtol(ap[2], NULL, 10);
111 else if (strcmp(ap[1], "-gt") == 0)
112 expr = simple_strtol(ap[0], NULL, 10) > simple_strtol(ap[2], NULL, 10);
113 else if (strcmp(ap[1], "-ge") == 0)
114 expr = simple_strtol(ap[0], NULL, 10) >= simple_strtol(ap[2], NULL, 10);
121 expr = last_expr || expr;
122 else if (last_cmp == 1)
123 expr = last_expr && expr;
127 ap += adv; left -= adv;
135 debug (": returns %d\n", expr);
141 test, CONFIG_SYS_MAXARGS, 1, do_test,
142 "minimal test like /bin/sh",
146 static int do_false(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
152 false, CONFIG_SYS_MAXARGS, 1, do_false,
153 "do nothing, unsuccessfully",
157 static int do_true(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
163 true, CONFIG_SYS_MAXARGS, 1, do_true,
164 "do nothing, successfully",