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* Little refactoring of rax2

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This commit is contained in:
Nibble 2010-11-29 13:20:44 +01:00
parent 61cf8cd3aa
commit f0d2279a0e
1 changed files with 50 additions and 63 deletions
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113
binr/rax2/rax2.c
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@ -4,6 +4,11 @@
static int flags = 0;
static int format_output (char mode, ut64 n);
static int help ();
static int rax (char *str);
static int use_stdin ();
static int format_output (char mode, ut64 n) {
char *str = (char*) &n;
@ -34,48 +39,59 @@ static int format_output (char mode, ut64 n) {
return R_TRUE;
}
static int help () {
printf (" int -> hex ; rax2 10\n"
" hex -> int ; rax2 0xa\n"
" -int -> hex ; rax2 -77\n"
" -hex -> int ; rax2 0xffffffb3\n"
" int -> bin ; rax2 b30\n"
" bin -> int ; rax2 1010d\n"
" float -> hex ; rax2 3.33f\n"
" hex -> float ; rax2 Fx40551ed8\n"
" oct -> hex ; rax2 35o\n"
" hex -> oct ; rax2 Ox12 (O is a letter)\n"
" bin -> hex ; rax2 1100011b\n"
" hex -> bin ; rax2 Bx63\n"
" -e swap endianness ; rax2 -e 0x33\n"
" -s swap hex to bin ; rax2 -s 43 4a 50\n"
" -S swap bin to hex ; rax2 -S C J P\n"
" -V version ; rax2 -V\n"
" -h help ; rax2 -h\n");
return R_TRUE;
}
static int rax (char *str) {
float f;
char *buf, out_mode = '0';
int i;
if (!strcmp (str, "-s")) {
flags ^= 1;
if (*str=='-') {
switch (str[1]) {
case 's':
flags ^= 1;
break;
case 'S':
flags ^= 4;
break;
case 'e':
flags ^= 2;
break;
case 'V':
printf ("rax2 v"R2_VERSION"\n");
break;
case '\0':
return use_stdin ();
default:
printf ("Usage: rax2 [options] [expression]\n");
return help ();
}
return R_TRUE;
}
if (!strcmp (str, "-S")) {
flags ^= 4;
return R_TRUE;
}
if (!strcmp (str, "-e")) {
flags ^= 2;
return R_TRUE;
}
} else
if (*str=='q')
return R_FALSE;
else
if (*str=='h' || *str=='?') {
printf(
" int -> hex ; rax 10\n"
" hex -> int ; rax 0xa\n"
" -int -> hex ; rax -77\n"
" -hex -> int ; rax 0xffffffb3\n"
" int -> bin ; rax b30\n"
" bin -> int ; rax 1010d\n"
" float -> hex ; rax 3.33f\n"
" hex -> float ; rax Fx40551ed8\n"
" oct -> hex ; rax 35o\n"
" hex -> oct ; rax Ox12 (O is a letter)\n"
" bin -> hex ; rax 1100011b\n"
" hex -> bin ; rax Bx63\n"
" -e swap endianness ; rax -e 0x33\n"
" -s swap hex to bin ; rax -s 43 4a 50\n"
" -S swap bin to hex ; rax -S C J P\n"
" - read data from stdin until eof\n");
return R_TRUE;
return help ();
}
if (flags & 1) {
@ -87,7 +103,6 @@ static int rax (char *str) {
free (buf);
return R_TRUE;
}
if (flags & 4) {
for (i=0; str[i]; i++)
printf ("%02x", str[i]);
@ -122,7 +137,7 @@ static int rax (char *str) {
return format_output (out_mode, r_num_math (NULL, str));
}
int use_stdin () {
static int use_stdin () {
char buf[1024];
while (!feof (stdin)) {
fgets (buf, sizeof (buf)-1, stdin);
@ -138,34 +153,6 @@ int main (int argc, char **argv) {
if (argc == 1)
return use_stdin ();
//XXX: Use a better way to parse. Maybe getopt??
for (i=1;i<argc;i++) {
if (argv[i][0]=='-') {
if (argv[i][1]=='\0') {
if (i==argc-1)
return use_stdin ();
break;
}
switch (argv[i][1]) {
case 's':
flags |= 1;
break;
case 'S':
flags |= 4;
case 'e':
flags |= 2;
break;
case 'h':
printf ("Usage: rax2 [-hV] [expression]\n");
return 0;
case 'V':
printf ("rax2 v"R2_VERSION"\n");
return 0;
}
} else break;
}
for (;i<argc; i++)
rax (argv[i]);
return 0;