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Diffstat (limited to 'common/cmd_setexpr.c')
-rw-r--r--common/cmd_setexpr.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/common/cmd_setexpr.c b/common/cmd_setexpr.c
index 5a042951da5..7a38e945070 100644
--- a/common/cmd_setexpr.c
+++ b/common/cmd_setexpr.c
@@ -53,7 +53,7 @@ static ulong get_arg(char *s, int w)
static int do_setexpr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
ulong a, b;
- char buf[16];
+ ulong value;
int w;
/* Validate arguments */
@@ -67,8 +67,7 @@ static int do_setexpr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
a = get_arg(argv[2], w);
if (argc == 3) {
- sprintf(buf, "%lx", a);
- setenv(argv[1], buf);
+ setenv_hex(argv[1], a);
return 0;
}
@@ -76,20 +75,36 @@ static int do_setexpr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
b = get_arg(argv[4], w);
switch (argv[3][0]) {
- case '|': sprintf(buf, "%lx", (a | b)); break;
- case '&': sprintf(buf, "%lx", (a & b)); break;
- case '+': sprintf(buf, "%lx", (a + b)); break;
- case '^': sprintf(buf, "%lx", (a ^ b)); break;
- case '-': sprintf(buf, "%lx", (a - b)); break;
- case '*': sprintf(buf, "%lx", (a * b)); break;
- case '/': sprintf(buf, "%lx", (a / b)); break;
- case '%': sprintf(buf, "%lx", (a % b)); break;
+ case '|':
+ value = a | b;
+ break;
+ case '&':
+ value = a & b;
+ break;
+ case '+':
+ value = a + b;
+ break;
+ case '^':
+ value = a ^ b;
+ break;
+ case '-':
+ value = a - b;
+ break;
+ case '*':
+ value = a * b;
+ break;
+ case '/':
+ value = a / b;
+ break;
+ case '%':
+ value = a % b;
+ break;
default:
printf("invalid op\n");
return 1;
}
- setenv(argv[1], buf);
+ setenv_hex(argv[1], value);
return 0;
}