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Avoid memcpy of invalid pointer #634

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Avoid memcpy of invalid pointer #634

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2 changes: 1 addition & 1 deletion src/base64.c
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Original file line number Diff line number Diff line change
Expand Up @@ -183,7 +183,7 @@ SEXP base64_decode(const char *in, unsigned int inlen) {
/* We might have allocated to much space, because of the padding... */
if (j + 1 < outlen) {
SEXP rout2 = PROTECT(allocVector(RAWSXP, j));
memcpy(RAW(rout2), RAW(rout), j);
if (j) memcpy(RAW(rout2), RAW_RO(rout), j);
UNPROTECT(2);
return rout2;
} else {
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