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Strip extra null byte that we were appending

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This commit is contained in:
dockes 2005-11-25 08:49:31 +00:00
parent 596966da4e
commit b7d0a90d9d
1 changed files with 39 additions and 5 deletions
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44
src/utils/base64.cpp
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@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: base64.cpp,v 1.3 2005-11-24 07:16:16 dockes Exp $ (C) 2005 J.F.Dockes";
static char rcsid[] = "@(#$Id: base64.cpp,v 1.4 2005-11-25 08:49:31 dockes Exp $ (C) 2005 J.F.Dockes";
#endif
#include <sys/types.h>
@ -25,6 +25,7 @@ bool base64_decode(const string& in, string& out)
int io = 0, state = 0, ch;
char *pos;
unsigned int ii = 0;
out.erase();
out.reserve(in.length());
for (ii = 0; ii < in.length(); ii++) {
@ -124,6 +125,8 @@ bool base64_decode(const string& in, string& out)
out[io] = 0;
// return false;
}
// We've appended an extra 0.
out.resize(io);
}
} else {
/*
@ -151,6 +154,8 @@ void base64_encode(const string &in, string &out)
unsigned char output[4];
size_t i;
out.erase();
int srclength = in.length();
int sidx = 0;
while (2 < srclength) {
@ -201,11 +206,40 @@ void base64_encode(const string &in, string &out)
#ifdef TEST_BASE64
#include <stdio.h>
int main(int agrc, char **argv)
const char *values[] = {"", "1", "12", "123", "1234", "12345", "123456"};
int nvalues = sizeof(values) / sizeof(char *);
int main(int argc, char **argv)
{
string in = "12345";
string out;
string in, out, back;
int err = 0;
for (int i = 0; i < nvalues; i++) {
in = values[i];
base64_encode(in, out);
base64_decode(out, back);
if (in != back) {
fprintf(stderr, "In [%s] %d != back [%s] %d (out [%s] %d\n",
in.c_str(),in.length(),
back.c_str(), back.length(),
out.c_str(), out.length()
);
err++;
}
}
in.erase();
in += char(0);
in += char(0);
in += char(0);
in += char(0);
base64_encode(in, out);
printf("in %s out %s\n", in.c_str(), out.c_str());
base64_decode(out, back);
if (in != back) {
fprintf(stderr, "In [%s] %d != back [%s] %d (out [%s] %d\n",
in.c_str(),in.length(),
back.c_str(), back.length(),
out.c_str(), out.length()
);
err++;
}
exit(!(err == 0));
}
#endif