config: make git_config_[get|set]_long() able to properly deal with 8 bytes wide values

Should fix issue #419.

Signed-off-by: nulltoken <emeric.fermas@gmail.com>

1 files changed, 19 insertions, 2 deletions

diff --git a/src/util.c b/src/util.c
index b46a2a15c..dc0eab38d 100644
--- a/src/util.c
+++ b/src/util.c
@@ -46,10 +46,10 @@ int git__fnmatch(const char *pattern, const char *name, int flags)
 	}
 }
 
-int git__strtol32(long *result, const char *nptr, const char **endptr, int base)
+int git__strtol64(long long *result, const char *nptr, const char **endptr, int base)
 {
 	const char *p;
-	long n, nn;
+	long long n, nn;
 	int c, ovfl, v, neg, ndig;
 
 	p = nptr;
@@ -124,6 +124,23 @@ Return:
 	return GIT_SUCCESS;
 }
 
+int git__strtol32(int *result, const char *nptr, const char **endptr, int base)
+{
+	int tmp_int, error = GIT_SUCCESS;
+	long long tmp_long;
+
+	if ((error = git__strtol64(&tmp_long, nptr, endptr, base)) < GIT_SUCCESS)
+		return error;
+
+	tmp_int = tmp_long & 0xFFFFFFFF;
+	if (tmp_int != tmp_long)
+		return git__throw(GIT_EOVERFLOW, "Failed to convert. '%s' is too large", nptr);
+
+	*result = tmp_int;
+	
+	return error;
+}
+
 void git__strntolower(char *str, size_t len)
 {
 	size_t i;