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Fix a couple of bugs in wo* and implment wo8 ##io

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This commit is contained in:
pancake 2019-09-02 21:12:57 +02:00
parent c22844b506
commit 11c5cfe5a6
2 changed files with 27 additions and 4 deletions
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26
libr/core/cio.c
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@ -240,10 +240,13 @@ R_API ut8* r_core_transform_op(RCore *core, const char *arg, char op) {
} else {
eprintf ("Invalid word size. Use 1, 2, 4 or 8\n");
}
} else if (op == '2' || op == '4') {
} else if (op == '2' || op == '4' || op == '8') {
int inc = op - '0';
ut8 tmp;
for (i = 0; i <= core->blocksize - inc; i += inc) {
if (inc < 1 || inc > 8) {
goto beach;
}
for (i = 0; (i + inc) < core->blocksize - inc; i += inc) {
if (inc == 2) {
tmp = buf[i];
buf[i] = buf[i+1];
@ -255,6 +258,25 @@ R_API ut8* r_core_transform_op(RCore *core, const char *arg, char op) {
tmp = buf[i+1];
buf[i+1] = buf[i+2];
buf[i+2] = tmp;
} else if (inc == 8) {
tmp = buf[i];
buf[i] = buf[i+7];
buf[i+7] = tmp;
tmp = buf[i+1];
buf[i+1] = buf[i+6];
buf[i+6] = tmp;
tmp = buf[i+2];
buf[i+2] = buf[i+5];
buf[i+5] = tmp;
tmp = buf[i+3];
buf[i+3] = buf[i+4];
buf[i+4] = tmp;
} else {
eprintf ("Invalid inc, use 2, 4 or 8.\n");
break;
}
}
} else {

5
libr/core/cmd_write.c
View File

@ -89,8 +89,9 @@ static const char *help_msg_we[] = {
static const char *help_msg_wo[] = {
"Usage:","wo[asmdxoArl24]"," [hexpairs] @ addr[!bsize]",
"wo[24aAdlmorwx]","", "without hexpair values, clipboard is used",
"wo2"," [val]","2= 2 byte endian swap",
"wo4"," [val]", "4= 4 byte endian swap",
"wo2"," [val]","2= 2 byte endian swap (word)",
"wo4"," [val]", "4= 4 byte endian swap (dword)",
"wo8"," [val]", "8= 8 byte endian swap (qword)",
"woa"," [val]", "+= addition (f.ex: woa 0102)",
"woA"," [val]","&= and",
"wod"," [val]", "/= divide",