]>
git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_test.c
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * Define _STDBOOL_H here to avoid macro expansion of true and false.
26 * If the future code requires macro true or false, remove this define
27 * and undef true and false before U_BOOT_CMD. This define and comment
28 * shall be removed if change to U_BOOT_CMD is made to take string
29 * instead of stringifying it.
36 static int do_test(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
39 int left
, adv
, expr
, last_expr
, neg
, last_cmp
;
47 debug("test(%d):", argc
);
50 debug(" '%s'", argv
[left
++]);
55 left
= argc
- 1; ap
= argv
+ 1;
56 if (left
> 0 && strcmp(ap
[0], "!") == 0) {
68 if (strcmp(ap
[0], "-o") == 0 || strcmp(ap
[0], "-a") == 0)
70 else if (strcmp(ap
[0], "-z") == 0 || strcmp(ap
[0], "-n") == 0)
81 if (strcmp(ap
[0], "-o") == 0) {
84 } else if (strcmp(ap
[0], "-a") == 0) {
94 if (strcmp(ap
[0], "-z") == 0)
95 expr
= strlen(ap
[1]) == 0 ? 1 : 0;
96 else if (strcmp(ap
[0], "-n") == 0)
97 expr
= strlen(ap
[1]) == 0 ? 0 : 1;
104 expr
= last_expr
|| expr
;
105 else if (last_cmp
== 1)
106 expr
= last_expr
&& expr
;
111 if (strcmp(ap
[1], "=") == 0)
112 expr
= strcmp(ap
[0], ap
[2]) == 0;
113 else if (strcmp(ap
[1], "!=") == 0)
114 expr
= strcmp(ap
[0], ap
[2]) != 0;
115 else if (strcmp(ap
[1], ">") == 0)
116 expr
= strcmp(ap
[0], ap
[2]) > 0;
117 else if (strcmp(ap
[1], "<") == 0)
118 expr
= strcmp(ap
[0], ap
[2]) < 0;
119 else if (strcmp(ap
[1], "-eq") == 0)
120 expr
= simple_strtol(ap
[0], NULL
, 10) == simple_strtol(ap
[2], NULL
, 10);
121 else if (strcmp(ap
[1], "-ne") == 0)
122 expr
= simple_strtol(ap
[0], NULL
, 10) != simple_strtol(ap
[2], NULL
, 10);
123 else if (strcmp(ap
[1], "-lt") == 0)
124 expr
= simple_strtol(ap
[0], NULL
, 10) < simple_strtol(ap
[2], NULL
, 10);
125 else if (strcmp(ap
[1], "-le") == 0)
126 expr
= simple_strtol(ap
[0], NULL
, 10) <= simple_strtol(ap
[2], NULL
, 10);
127 else if (strcmp(ap
[1], "-gt") == 0)
128 expr
= simple_strtol(ap
[0], NULL
, 10) > simple_strtol(ap
[2], NULL
, 10);
129 else if (strcmp(ap
[1], "-ge") == 0)
130 expr
= simple_strtol(ap
[0], NULL
, 10) >= simple_strtol(ap
[2], NULL
, 10);
137 expr
= last_expr
|| expr
;
138 else if (last_cmp
== 1)
139 expr
= last_expr
&& expr
;
143 ap
+= adv
; left
-= adv
;
151 debug (": returns %d\n", expr
);
157 test
, CONFIG_SYS_MAXARGS
, 1, do_test
,
158 "minimal test like /bin/sh",
162 static int do_false(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
168 false, CONFIG_SYS_MAXARGS
, 1, do_false
,
169 "do nothing, unsuccessfully",
173 static int do_true(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
179 true, CONFIG_SYS_MAXARGS
, 1, do_true
,
180 "do nothing, successfully",