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cmd: binop: Use hex2bin

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Use the new hex2bin function in the binop command instead of converting
the data manually.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Mario Six 2019-01-28 09:43:43 +01:00
parent 29dada9c2e
commit 32dbe8c58a
1 changed files with 3 additions and 25 deletions
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28
cmd/binop.c
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@ -2,6 +2,7 @@
#include <common.h> #include <common.h>
#include <command.h> #include <command.h>
#include <hexdump.h>
#include <malloc.h> #include <malloc.h>
#include <mapmem.h> #include <mapmem.h>
#include <linux/ctype.h> #include <linux/ctype.h>
@ -31,38 +32,15 @@ void write_to_env_var(char *varname, u8 *result, ulong len)
free(str_output); free(str_output);
} }
void decode_hexstring(char *hexstr, u8 *result)
{
int i;
int acc = 0;
for (i = 0; i < strlen(hexstr); ++i) {
char d = hexstr[i];
int value;
if (isdigit(d))
value = (d - '0');
else
value = (islower(d) ? toupper(d) : d) - 'A' + 10;
if (i % 2 == 0) {
acc = value * 16;
} else {
result[i / 2] = acc + value;
acc = 0;
}
}
}
void read_from_env_var(char *varname, u8 *result) void read_from_env_var(char *varname, u8 *result)
{ {
char *str_value; char *str_value;
str_value = env_get(varname); str_value = env_get(varname);
if (str_value) if (str_value)
decode_hexstring(str_value, result); hex2bin(result, str_value, strlen(str_value) / 2);
else else
decode_hexstring(varname, result); hex2bin(result, varname, strlen(varname) / 2);
} }
void read_from_mem(ulong addr, u8 *result, ulong len) void read_from_mem(ulong addr, u8 *result, ulong len)