static const char base64_urlsafe[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
static const char base64_decode[256] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, 62, -1, 63,
- 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
- -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, 63,
- -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
- 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-};
-
-static int charhex2bin(char c) {
- if(isdigit(c)) {
- return c - '0';
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, 62, -1, 63,
+ 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
+ -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, 63,
+ -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+ 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ };
+
+static uint8_t charhex2bin(char c) {
+ uint8_t cu = (uint8_t) c;
+
+ if(isdigit(cu)) {
+ return cu - '0';
} else {
- return toupper(c) - 'A' + 10;
+ return toupper(cu) - 'A' + 10;
}
}
-int hex2bin(const char *src, void *vdst, int length) {
- char *dst = vdst;
- int i;
+size_t hex2bin(const char *src, void *vdst, size_t length) {
+ uint8_t *dst = vdst;
+ size_t i;
- for(i = 0; i < length && isxdigit(src[i * 2]) && isxdigit(src[i * 2 + 1]); i++) {
+ for(i = 0; i < length && isxdigit((uint8_t) src[i * 2]) && isxdigit((uint8_t) src[i * 2 + 1]); i++) {
dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
}
return i;
}
-int bin2hex(const void *vsrc, char *dst, int length) {
+size_t bin2hex(const void *vsrc, char *dst, size_t length) {
const char *src = vsrc;
- for(int i = length - 1; i >= 0; i--) {
+ for(size_t i = length; i > 0;) {
+ --i;
dst[i * 2 + 1] = hexadecimals[(unsigned char) src[i] & 15];
dst[i * 2] = hexadecimals[(unsigned char) src[i] >> 4];
}
return length * 2;
}
-int b64decode(const char *src, void *dst, int length) {
- int i;
+size_t b64decode_tinc(const char *src, void *dst, size_t length) {
+ size_t i;
uint32_t triplet = 0;
unsigned char *udst = (unsigned char *)dst;
for(i = 0; i < length && src[i]; i++) {
- triplet |= base64_decode[src[i] & 0xff] << (6 * (i & 3));
+ triplet |= (uint32_t)(base64_decode[src[i] & 0xff] << (6 * (i & 3)));
if((i & 3) == 3) {
if(triplet & 0xff000000U) {
}
}
-static int b64encode_internal(const void *src, char *dst, int length, const char *alphabet) {
+bool is_decimal(const char *str) {
+ if(!str) {
+ return false;
+ }
+
+ errno = 0;
+ char *badchar = NULL;
+ strtol(str, &badchar, 10);
+ return !errno && badchar != str && !*badchar;
+}
+
+// itoa() conflicts with a similarly named function under MinGW.
+char *int_to_str(int num) {
+ char *str = NULL;
+ xasprintf(&str, "%d", num);
+ return str;
+}
+
+static size_t b64encode_tinc_internal(const void *src, char *dst, size_t length, const char *alphabet) {
uint32_t triplet;
const unsigned char *usrc = (unsigned char *)src;
- int si = length / 3 * 3;
- int di = length / 3 * 4;
+ size_t si = length / 3 * 3;
+ size_t di = length / 3 * 4;
switch(length % 3) {
case 2:
return length;
}
-int b64encode(const void *src, char *dst, int length) {
- return b64encode_internal(src, dst, length, base64_original);
+size_t b64encode_tinc(const void *src, char *dst, size_t length) {
+ return b64encode_tinc_internal(src, dst, length, base64_original);
}
-int b64encode_urlsafe(const void *src, char *dst, int length) {
- return b64encode_internal(src, dst, length, base64_urlsafe);
+size_t b64encode_tinc_urlsafe(const void *src, char *dst, size_t length) {
+ return b64encode_tinc_internal(src, dst, length, base64_urlsafe);
}
-#if defined(HAVE_MINGW) || defined(HAVE_CYGWIN)
-#ifdef HAVE_CYGWIN
-#include <w32api/windows.h>
-#endif
-
+#ifdef HAVE_WINDOWS
const char *winerror(int err) {
static char buf[1024], *ptr;
}
#endif
-unsigned int bitfield_to_int(const void *bitfield, size_t size) {
- unsigned int value = 0;
-
- if(size > sizeof(value)) {
- size = sizeof(value);
- }
-
- memcpy(&value, bitfield, size);
- return value;
-}
-
bool check_id(const char *id) {
if(!id || !*id) {
return false;
}
for(; *id; id++)
- if(!isalnum(*id) && *id != '_') {
+ if(!isalnum((uint8_t) *id) && *id != '_') {
return false;
}
}
for(const char *c = netname; *c; c++) {
- if(iscntrl(*c)) {
+ if(iscntrl((uint8_t) *c)) {
return false;
}
ret_name = xstrdup(envname);
for(char *c = ret_name; *c; c++)
- if(!isalnum(*c)) {
+ if(!isalnum((uint8_t) *c)) {
*c = '_';
}
} else {
return ret_name;
}
+
+bool string_eq(const char *first, const char *second) {
+ return !first == !second &&
+ !(first && second && strcmp(first, second));
+}