]> git.sur5r.net Git - u-boot/blob - common/cmd_test.c
cmd_ide: enhance new feature "CONFIG_IDE_AHB"
[u-boot] / common / cmd_test.c
1 /*
2  * Copyright 2000-2009
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
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.
12  *
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.
17  *
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,
21  * MA 02111-1307 USA
22  */
23
24 #include <common.h>
25 #include <command.h>
26
27 int do_test(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
28 {
29         char * const *ap;
30         int left, adv, expr, last_expr, neg, last_cmp;
31
32         /* args? */
33         if (argc < 3)
34                 return 1;
35
36 #if 0
37         {
38                 printf("test:");
39                 left = 1;
40                 while (argv[left])
41                         printf(" %s", argv[left++]);
42         }
43 #endif
44
45         last_expr = 0;
46         left = argc - 1; ap = argv + 1;
47         if (left > 0 && strcmp(ap[0], "!") == 0) {
48                 neg = 1;
49                 ap++;
50                 left--;
51         } else
52                 neg = 0;
53
54         expr = -1;
55         last_cmp = -1;
56         last_expr = -1;
57         while (left > 0) {
58
59                 if (strcmp(ap[0], "-o") == 0 || strcmp(ap[0], "-a") == 0)
60                         adv = 1;
61                 else if (strcmp(ap[0], "-z") == 0 || strcmp(ap[0], "-n") == 0)
62                         adv = 2;
63                 else
64                         adv = 3;
65
66                 if (left < adv) {
67                         expr = 1;
68                         break;
69                 }
70
71                 if (adv == 1) {
72                         if (strcmp(ap[0], "-o") == 0) {
73                                 last_expr = expr;
74                                 last_cmp = 0;
75                         } else if (strcmp(ap[0], "-a") == 0) {
76                                 last_expr = expr;
77                                 last_cmp = 1;
78                         } else {
79                                 expr = 1;
80                                 break;
81                         }
82                 }
83
84                 if (adv == 2) {
85                         if (strcmp(ap[0], "-z") == 0)
86                                 expr = strlen(ap[1]) == 0 ? 1 : 0;
87                         else if (strcmp(ap[0], "-n") == 0)
88                                 expr = strlen(ap[1]) == 0 ? 0 : 1;
89                         else {
90                                 expr = 1;
91                                 break;
92                         }
93
94                         if (last_cmp == 0)
95                                 expr = last_expr || expr;
96                         else if (last_cmp == 1)
97                                 expr = last_expr && expr;
98                         last_cmp = -1;
99                 }
100
101                 if (adv == 3) {
102                         if (strcmp(ap[1], "=") == 0)
103                                 expr = strcmp(ap[0], ap[2]) == 0;
104                         else if (strcmp(ap[1], "!=") == 0)
105                                 expr = strcmp(ap[0], ap[2]) != 0;
106                         else if (strcmp(ap[1], ">") == 0)
107                                 expr = strcmp(ap[0], ap[2]) > 0;
108                         else if (strcmp(ap[1], "<") == 0)
109                                 expr = strcmp(ap[0], ap[2]) < 0;
110                         else if (strcmp(ap[1], "-eq") == 0)
111                                 expr = simple_strtol(ap[0], NULL, 10) == simple_strtol(ap[2], NULL, 10);
112                         else if (strcmp(ap[1], "-ne") == 0)
113                                 expr = simple_strtol(ap[0], NULL, 10) != simple_strtol(ap[2], NULL, 10);
114                         else if (strcmp(ap[1], "-lt") == 0)
115                                 expr = simple_strtol(ap[0], NULL, 10) < simple_strtol(ap[2], NULL, 10);
116                         else if (strcmp(ap[1], "-le") == 0)
117                                 expr = simple_strtol(ap[0], NULL, 10) <= simple_strtol(ap[2], NULL, 10);
118                         else if (strcmp(ap[1], "-gt") == 0)
119                                 expr = simple_strtol(ap[0], NULL, 10) > simple_strtol(ap[2], NULL, 10);
120                         else if (strcmp(ap[1], "-ge") == 0)
121                                 expr = simple_strtol(ap[0], NULL, 10) >= simple_strtol(ap[2], NULL, 10);
122                         else {
123                                 expr = 1;
124                                 break;
125                         }
126
127                         if (last_cmp == 0)
128                                 expr = last_expr || expr;
129                         else if (last_cmp == 1)
130                                 expr = last_expr && expr;
131                         last_cmp = -1;
132                 }
133
134                 ap += adv; left -= adv;
135         }
136
137         if (neg)
138                 expr = !expr;
139
140         expr = !expr;
141
142         debug (": returns %d\n", expr);
143
144         return expr;
145 }
146
147 U_BOOT_CMD(
148         test,   CONFIG_SYS_MAXARGS,     1,      do_test,
149         "minimal test like /bin/sh",
150         "[args..]"
151 );
152
153 int do_false(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
154 {
155         return 1;
156 }
157
158 U_BOOT_CMD(
159         false,  CONFIG_SYS_MAXARGS,     1,      do_false,
160         "do nothing, unsuccessfully",
161         NULL
162 );
163
164 int do_true(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
165 {
166         return 0;
167 }
168
169 U_BOOT_CMD(
170         true,   CONFIG_SYS_MAXARGS,     1,      do_true,
171         "do nothing, successfully",
172         NULL
173 );