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uuencode: common implementation for wget and uuencode (closing bug 694)

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This commit is contained in:
Denis Vlasenko 2006-09-03 15:49:40 +00:00
parent 22dca23d52
commit 21afc7dc29
7 changed files with 105 additions and 84 deletions
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22
networking/wget.c
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@ -98,29 +98,11 @@ static char *safe_fgets(char *s, int size, FILE *stream)
#ifdef CONFIG_FEATURE_WGET_AUTHENTICATION
/*
* Base64-encode character string
* oops... isn't something similar in uuencode.c?
* XXX: It would be better to use already existing code
* Base64-encode character string and return the string.
*/
static char *base64enc(unsigned char *p, char *buf, int len) {
char al[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
"0123456789+/";
char *s = buf;
while(*p) {
if (s >= buf+len-4)
bb_error_msg_and_die("buffer overflow");
*(s++) = al[(*p >> 2) & 0x3F];
*(s++) = al[((*p << 4) & 0x30) | ((*(p+1) >> 4) & 0x0F)];
*s = *(s+1) = '=';
*(s+2) = 0;
if (! *(++p)) break;
*(s++) = al[((*p << 2) & 0x3C) | ((*(p+1) >> 6) & 0x03)];
if (! *(++p)) break;
*(s++) = al[*(p++) & 0x3F];
}
bb_uuencode(p, buf, len, bb_uuenc_tbl_base64);
return buf;
}
#endif