j3d1/tinc
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Use void pointers to opaque buffers.

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This commit is contained in:
Guus Sliepen 2014-05-12 14:35:12 +02:00
parent 332b55d472
commit 75e5b2e906
2 changed files with 13 additions and 11 deletions
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14
src/utils.c
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@ -52,14 +52,16 @@ static int charhex2bin(char c) {
return toupper(c) - 'A' + 10;
}
int hex2bin(const char *src, char *dst, int length) {
int hex2bin(const char *src, void *vdst, int length) {
char *dst = vdst;
int i;
for(i = 0; i < length && isxdigit(src[i * 2]) && isxdigit(src[i * 2 + 1]); i++)
dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
return i;
}
int bin2hex(const char *src, char *dst, int length) {
int bin2hex(const void *vsrc, char *dst, int length) {
const char *src = vsrc;
for(int i = length - 1; i >= 0; i--) {
dst[i * 2 + 1] = hexadecimals[(unsigned char) src[i] & 15];
dst[i * 2] = hexadecimals[(unsigned char) src[i] >> 4];
@ -68,7 +70,7 @@ int bin2hex(const char *src, char *dst, int length) {
return length * 2;
}
int b64decode(const char *src, char *dst, int length) {
int b64decode(const char *src, void *dst, int length) {
int i;
uint32_t triplet = 0;
unsigned char *udst = (unsigned char *)dst;
@ -99,7 +101,7 @@ int b64decode(const char *src, char *dst, int length) {
}
}
static int b64encode_internal(const char *src, char *dst, int length, const char *alphabet) {
static int b64encode_internal(const void *src, char *dst, int length, const char *alphabet) {
uint32_t triplet;
const unsigned char *usrc = (unsigned char *)src;
int si = length / 3 * 3;
@ -140,11 +142,11 @@ static int b64encode_internal(const char *src, char *dst, int length, const char
return length;
}
int b64encode(const char *src, char *dst, int length) {
int b64encode(const void *src, char *dst, int length) {
return b64encode_internal(src, dst, length, base64_original);
}
int b64encode_urlsafe(const char *src, char *dst, int length) {
int b64encode_urlsafe(const void *src, char *dst, int length) {
return b64encode_internal(src, dst, length, base64_urlsafe);
}

10
src/utils.h
View file

@ -21,12 +21,12 @@
#ifndef __TINC_UTILS_H__
#define __TINC_UTILS_H__
extern int hex2bin(const char *src, char *dst, int length);
extern int bin2hex(const char *src, char *dst, int length);
extern int hex2bin(const char *src, void *dst, int length);
extern int bin2hex(const void *src, char *dst, int length);
extern int b64encode(const char *src, char *dst, int length);
extern int b64encode_urlsafe(const char *src, char *dst, int length);
extern int b64decode(const char *src, char *dst, int length);
extern int b64encode(const void *src, char *dst, int length);
extern int b64encode_urlsafe(const void *src, char *dst, int length);
extern int b64decode(const char *src, void *dst, int length);
#ifdef HAVE_MINGW
extern const char *winerror(int);