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Fix #3089 - Add p=d command to show block byte dictionary stats

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This commit is contained in:
pancake 2015-08-14 13:34:40 +02:00
parent 5f67089a3e
commit 4cb5e6d097
1 changed files with 35 additions and 3 deletions
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38
libr/core/cmd_print.c
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@ -46,6 +46,36 @@ static char get_string_type (const ut8 *buf, ut64 len){
}
return str_type;
}
static void cmd_print_eq_dict(RCore *core, int bsz) {
int i;
int min = 0;
int max = 0;
int dict = 0;
int range = 0;
ut8 buf[0xff+1];
for (i=0; i<0xff; i++) {
buf[i] = 0;
}
for (i=0; i<bsz; i++) {
buf[core->block[i]] = 1;
}
for (i=0; i<0xff; i++) {
if (buf[i]) {
if (min == 0)
min = i;
max = i;
dict++;
}
}
range = max - min;
r_cons_printf ("min: %d 0x%x\n", min, min);
r_cons_printf ("max: %d 0x%x\n", max, max);
r_cons_printf ("dict: %d 0x%x\n", dict, dict);
r_cons_printf ("range: %d 0x%x\n", range, range);
}
static void set_asm_configs(RCore *core, char *arch, ut32 bits, int segoff){
r_config_set (core->config, "asm.arch", arch);
r_config_set_i (core->config, "asm.bits", bits);
@ -1561,15 +1591,14 @@ static int cmd_print(void *data, const char *input) {
case '=': //p=
{
char input1 = 'b';
nbsz = core->blocksize;
if (input[0]) {
if (input[1] != ' ') {
if (input[1] && input[1] != ' ') {
input1 = input[1];
nbsz = r_num_get (core->num, input+2);
} else {
nbsz = r_num_get (core->num, input+1); //*input?input[1]?input+2:input+1:input);
}
} else {
nbsz = core->blocksize;
}
fsz = (core->file && core->io)? r_io_desc_size (core->io, core->file->desc): 0;
if (nbsz) {
@ -1597,6 +1626,9 @@ static int cmd_print(void *data, const char *input) {
r_core_cmd_help (core, help_msg);
}
break;
case 'd':
cmd_print_eq_dict (core, nbsz); //core->blocksize);
break;
case 'e': // entropy
{
ut8 *p;