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author | Krishna Ram Prakash R <krp@gtux.in> | 2016-06-28 20:19:52 +0530 |
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committer | Krishna Ram Prakash R <krp@gtux.in> | 2016-06-29 13:32:18 +0530 |
commit | 70b9b8417910c97307e1c5dd5886ce76e68e201c (patch) | |
tree | 952bfc2ea686ff2531416719dd3feca6579996ff | |
parent | 20302aa43738a972e0bd2e2ee6ae479208427b31 (diff) | |
download | libgit2-70b9b8417910c97307e1c5dd5886ce76e68e201c.tar.gz |
Fixed bug while parsing INT64_MIN
-rw-r--r-- | src/util.c | 6 | ||||
-rw-r--r-- | tests/core/strtol.c | 8 |
2 files changed, 11 insertions, 3 deletions
diff --git a/src/util.c b/src/util.c index 3090c7437..e9cccea20 100644 --- a/src/util.c +++ b/src/util.c @@ -128,8 +128,8 @@ int git__strntol64(int64_t *result, const char *nptr, size_t nptr_len, const cha v = c - 'A' + 10; if (v >= base) break; - nn = n*base + v; - if (nn < n) + nn = n * base + (neg ? -v : v); + if ((!neg && nn < n) || (neg && nn > n)) ovfl = 1; n = nn; } @@ -148,7 +148,7 @@ Return: return -1; } - *result = neg ? -n : n; + *result = n; return 0; } diff --git a/tests/core/strtol.c b/tests/core/strtol.c index 8765e042b..0d3b6a5e6 100644 --- a/tests/core/strtol.c +++ b/tests/core/strtol.c @@ -33,5 +33,13 @@ void test_core_strtol__int64(void) cl_assert(i == 2147483657LL); cl_git_pass(git__strtol64(&i, " -2147483657 ", NULL, 10)); cl_assert(i == -2147483657LL); + cl_git_pass(git__strtol64(&i, " 9223372036854775807 ", NULL, 10)); + cl_assert(i == INT64_MAX); + cl_git_pass(git__strtol64(&i, " -9223372036854775808 ", NULL, 10)); + cl_assert(i == INT64_MIN); + cl_git_pass(git__strtol64(&i, " 0x7fffffffffffffff ", NULL, 16)); + cl_assert(i == INT64_MAX); + cl_git_pass(git__strtol64(&i, " -0x8000000000000000 ", NULL, 16)); + cl_assert(i == INT64_MIN); } |