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Implement {flag} to get flag size

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This commit is contained in:
pancake 2018-05-30 13:00:39 +02:00
parent cbeff990a1
commit 38d6dada8d
2 changed files with 18 additions and 2 deletions
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1
libr/core/cmd_help.c
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@ -157,6 +157,7 @@ static const char *help_msg_question_v[] = {
"$w", "", "get word size, 4 if asm.bits=32, 8 if 64, ...",
"${ev}", "", "get value of eval config variable",
"$k{kv}", "", "get value of an sdb query value",
"$s{flag}", "", "get size of flag",
"RNum", "", "$variables usable in math expressions",
NULL
};

19
libr/core/core.c
View File

@ -412,7 +412,7 @@ static const char *str_callback(RNum *user, ut64 off, int *ok) {
static ut64 num_callback(RNum *userptr, const char *str, int *ok) {
RCore *core = (RCore *)userptr; // XXX ?
RAnalFunction *fcn;
char *ptr, *bptr, *out;
char *ptr, *bptr, *out = NULL;
RFlagItem *flag;
RIOSection *s;
RAnalOp op;
@ -583,7 +583,22 @@ static ut64 num_callback(RNum *userptr, const char *str, int *ok) {
case 'l': return op.size;
case 'b': return core->blocksize;
case 's':
if (core->file) {
// flag size $s{}
if (str[2] == '{') {
bptr = strdup (str + 3);
ptr = strchr (bptr, '}');
if (!ptr) {
// invalid json
free (bptr);
break;
}
*ptr = '\0';
RFlagItem *flag = r_flag_get (core->flags, bptr);
ret = flag? flag->size: 0LL; // flag
free (bptr);
free (out);
return ret;
} else if (core->file) {
return r_io_fd_size (core->io, core->file->fd);
}
return 0LL;