misc/adsb-tools
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Enable -Weverything, fix a ton of bugs.

Browse Source
This commit is contained in:
Ian Gulliver
2016-02-25 23:37:37 -08:00
parent fe2486c398
commit 19a9d498bd
40 changed files with 220 additions and 184 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
adsbus/hex.c
View File

@@ -1,30 +1,33 @@
#include <assert.h>
#include <limits.h>
#include <unistd.h>
#include "hex.h"
static uint8_t hex_table[256] = {0};
static char hex_upper_table[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', };
static char hex_lower_table[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', };
static uint8_t hex_upper_table[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', };
static uint8_t hex_lower_table[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', };
void hex_init() {
for (int i = '0'; i <= '9'; i++) {
for (uint8_t i = '0'; i <= '9'; i++) {
hex_table[i] = i - '0';
}
for (int i = 'a'; i <= 'f'; i++) {
for (uint8_t i = 'a'; i <= 'f'; i++) {
hex_table[i] = 10 + i - 'a';
}
for (int i = 'A'; i <= 'F'; i++) {
for (uint8_t i = 'A'; i <= 'F'; i++) {
hex_table[i] = 10 + i - 'A';
}
}
void hex_to_bin(uint8_t *out, const char *in, size_t bytes) {
const uint8_t *in2 = (uint8_t *) in;
void hex_to_bin(uint8_t *out, const uint8_t *in, size_t bytes) {
for (size_t i = 0, j = 0; i < bytes; i++, j += 2) {
out[i] = (hex_table[in2[j]] << 4) | hex_table[in2[j + 1]];
out[i] = (uint8_t) (hex_table[in[j]] << 4) | hex_table[in[j + 1]];
}
}
uint64_t hex_to_int(const char *in, size_t bytes) {
const uint8_t *in2 = (uint8_t *) in;
uint64_t hex_to_int(const uint8_t *in, size_t bytes) {
const uint8_t *in2 = (const uint8_t *) in;
uint64_t ret = 0;
bytes *= 2;
for (size_t i = 0; i < bytes; i++) {
@@ -34,33 +37,34 @@ uint64_t hex_to_int(const char *in, size_t bytes) {
return ret;
}
static void hex_from_bin(char *out, const uint8_t *in, size_t bytes, char table[]) {
static void hex_from_bin(uint8_t *out, const uint8_t *in, size_t bytes, uint8_t table[]) {
for (size_t i = 0, j = 0; i < bytes; i++, j += 2) {
out[j] = table[in[i] >> 4];
out[j + 1] = table[in[i] & 0xf];
}
}
static void hex_from_int(char *out, uint64_t in, size_t bytes, char table[]) {
static void hex_from_int(uint8_t *out, uint64_t in, size_t bytes, uint8_t table[]) {
bytes *= 2;
for (int o = bytes - 1; o >= 0; o--) {
assert(bytes < SSIZE_MAX);
for (ssize_t o = (ssize_t) bytes - 1; o >= 0; o--) {
out[o] = table[in & 0xf];
in >>= 4;
}
}
void hex_from_bin_upper(char *out, const uint8_t *in, size_t bytes) {
void hex_from_bin_upper(uint8_t *out, const uint8_t *in, size_t bytes) {
hex_from_bin(out, in, bytes, hex_upper_table);
}
void hex_from_bin_lower(char *out, const uint8_t *in, size_t bytes) {
void hex_from_bin_lower(uint8_t *out, const uint8_t *in, size_t bytes) {
hex_from_bin(out, in, bytes, hex_lower_table);
}
void hex_from_int_upper(char *out, uint64_t in, size_t bytes) {
void hex_from_int_upper(uint8_t *out, uint64_t in, size_t bytes) {
hex_from_int(out, in, bytes, hex_upper_table);
}
void hex_from_int_lower(char *out, uint64_t in, size_t bytes) {
void hex_from_int_lower(uint8_t *out, uint64_t in, size_t bytes) {
hex_from_int(out, in, bytes, hex_lower_table);
}