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author | MarcoFalke <falke.marco@gmail.com> | 2017-09-29 14:31:36 +0200 |
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committer | MarcoFalke <falke.marco@gmail.com> | 2017-09-29 14:35:46 +0200 |
commit | faaeeb0d3e777d991c7cfee983bea369c109f5cc (patch) | |
tree | c55d3d58f96acbbe9a4fc4ccd5b6f3a7e638a179 /src/univalue/lib/univalue_read.cpp | |
parent | bbc901d3a683c92438a6b28dca50b956decc4433 (diff) | |
parent | 619bb05037a55c4b73973965989d199d8cb62f74 (diff) | |
download | bitcoin-faaeeb0d3e777d991c7cfee983bea369c109f5cc.tar.xz |
Bump univalue and fix json formatting in tests
This merge commit bumps the univalue subtree and also updates the whitespace
for some failing tests.
Diffstat (limited to 'src/univalue/lib/univalue_read.cpp')
-rw-r--r-- | src/univalue/lib/univalue_read.cpp | 72 |
1 files changed, 41 insertions, 31 deletions
diff --git a/src/univalue/lib/univalue_read.cpp b/src/univalue/lib/univalue_read.cpp index 95bac6958d..ae75cb462a 100644 --- a/src/univalue/lib/univalue_read.cpp +++ b/src/univalue/lib/univalue_read.cpp @@ -43,21 +43,21 @@ static const char *hatoui(const char *first, const char *last, } enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed, - const char *raw) + const char *raw, const char *end) { tokenVal.clear(); consumed = 0; const char *rawStart = raw; - while ((*raw) && (json_isspace(*raw))) // skip whitespace + while (raw < end && (json_isspace(*raw))) // skip whitespace raw++; - switch (*raw) { - - case 0: + if (raw >= end) return JTOK_NONE; + switch (*raw) { + case '{': raw++; consumed = (raw - rawStart); @@ -127,40 +127,40 @@ enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed, numStr += *raw; // copy first char raw++; - if ((*first == '-') && (!json_isdigit(*raw))) + if ((*first == '-') && (raw < end) && (!json_isdigit(*raw))) return JTOK_ERR; - while ((*raw) && json_isdigit(*raw)) { // copy digits + while (raw < end && json_isdigit(*raw)) { // copy digits numStr += *raw; raw++; } // part 2: frac - if (*raw == '.') { + if (raw < end && *raw == '.') { numStr += *raw; // copy . raw++; - if (!json_isdigit(*raw)) + if (raw >= end || !json_isdigit(*raw)) return JTOK_ERR; - while ((*raw) && json_isdigit(*raw)) { // copy digits + while (raw < end && json_isdigit(*raw)) { // copy digits numStr += *raw; raw++; } } // part 3: exp - if (*raw == 'e' || *raw == 'E') { + if (raw < end && (*raw == 'e' || *raw == 'E')) { numStr += *raw; // copy E raw++; - if (*raw == '-' || *raw == '+') { // copy +/- + if (raw < end && (*raw == '-' || *raw == '+')) { // copy +/- numStr += *raw; raw++; } - if (!json_isdigit(*raw)) + if (raw >= end || !json_isdigit(*raw)) return JTOK_ERR; - while ((*raw) && json_isdigit(*raw)) { // copy digits + while (raw < end && json_isdigit(*raw)) { // copy digits numStr += *raw; raw++; } @@ -177,13 +177,16 @@ enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed, string valStr; JSONUTF8StringFilter writer(valStr); - while (*raw) { - if ((unsigned char)*raw < 0x20) + while (true) { + if (raw >= end || (unsigned char)*raw < 0x20) return JTOK_ERR; else if (*raw == '\\') { raw++; // skip backslash + if (raw >= end) + return JTOK_ERR; + switch (*raw) { case '"': writer.push_back('\"'); break; case '\\': writer.push_back('\\'); break; @@ -196,7 +199,8 @@ enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed, case 'u': { unsigned int codepoint; - if (hatoui(raw + 1, raw + 1 + 4, codepoint) != + if (raw + 1 + 4 >= end || + hatoui(raw + 1, raw + 1 + 4, codepoint) != raw + 1 + 4) return JTOK_ERR; writer.push_back_u(codepoint); @@ -246,7 +250,7 @@ enum expect_bits { #define setExpect(bit) (expectMask |= EXP_##bit) #define clearExpect(bit) (expectMask &= ~EXP_##bit) -bool UniValue::read(const char *raw) +bool UniValue::read(const char *raw, size_t size) { clear(); @@ -257,10 +261,11 @@ bool UniValue::read(const char *raw) unsigned int consumed; enum jtokentype tok = JTOK_NONE; enum jtokentype last_tok = JTOK_NONE; + const char* end = raw + size; do { last_tok = tok; - tok = getJsonToken(tokenVal, consumed, raw); + tok = getJsonToken(tokenVal, consumed, raw, end); if (tok == JTOK_NONE || tok == JTOK_ERR) return false; raw += consumed; @@ -371,9 +376,6 @@ bool UniValue::read(const char *raw) case JTOK_KW_NULL: case JTOK_KW_TRUE: case JTOK_KW_FALSE: { - if (!stack.size()) - return false; - UniValue tmpVal; switch (tok) { case JTOK_KW_NULL: @@ -388,6 +390,11 @@ bool UniValue::read(const char *raw) default: /* impossible */ break; } + if (!stack.size()) { + *this = tmpVal; + break; + } + UniValue *top = stack.back(); top->values.push_back(tmpVal); @@ -396,10 +403,12 @@ bool UniValue::read(const char *raw) } case JTOK_NUMBER: { - if (!stack.size()) - return false; - UniValue tmpVal(VNUM, tokenVal); + if (!stack.size()) { + *this = tmpVal; + break; + } + UniValue *top = stack.back(); top->values.push_back(tmpVal); @@ -408,17 +417,18 @@ bool UniValue::read(const char *raw) } case JTOK_STRING: { - if (!stack.size()) - return false; - - UniValue *top = stack.back(); - if (expect(OBJ_NAME)) { + UniValue *top = stack.back(); top->keys.push_back(tokenVal); clearExpect(OBJ_NAME); setExpect(COLON); } else { UniValue tmpVal(VSTR, tokenVal); + if (!stack.size()) { + *this = tmpVal; + break; + } + UniValue *top = stack.back(); top->values.push_back(tmpVal); } @@ -432,7 +442,7 @@ bool UniValue::read(const char *raw) } while (!stack.empty ()); /* Check that nothing follows the initial construct (parsed above). */ - tok = getJsonToken(tokenVal, consumed, raw); + tok = getJsonToken(tokenVal, consumed, raw, end); if (tok != JTOK_NONE) return false; |