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Have tor_parse_*long functions check for negative bases
One of our unit tests checks that they behave correctly (giving an error) when the base is negative. But there isn't a guarantee that strtol and friends actually handle negative bases correctly. Found by Coverity Scan; fix for CID 504.
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@ -906,6 +906,11 @@ tor_parse_long(const char *s, int base, long min, long max,
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char *endptr;
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long r;
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if (base < 0) {
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if (ok)
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*ok = 0;
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return 0;
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}
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r = strtol(s, &endptr, base);
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CHECK_STRTOX_RESULT();
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}
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@ -918,6 +923,11 @@ tor_parse_ulong(const char *s, int base, unsigned long min,
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char *endptr;
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unsigned long r;
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if (base < 0) {
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if (ok)
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*ok = 0;
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return 0;
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}
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r = strtoul(s, &endptr, base);
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CHECK_STRTOX_RESULT();
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}
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@ -942,6 +952,12 @@ tor_parse_uint64(const char *s, int base, uint64_t min,
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char *endptr;
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uint64_t r;
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if (base < 0) {
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if (ok)
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*ok = 0;
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return 0;
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}
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#ifdef HAVE_STRTOULL
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r = (uint64_t)strtoull(s, &endptr, base);
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#elif defined(_WIN32)
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