rename _errno

diff --git a/json_util.c b/json_util.c
index 79ae5c707121f73a4c8f94d8d43f7cd4d07d5b01..4030cbef53b3efd8d99d7aeafb095ff394d540cf 100644 (file)
--- a/json_util.c
+++ b/json_util.c
@@ -147,14 +147,14 @@ int json_parse_int64(const char *buf, int64_t *retval)
        int64_t num64;
        const char *buf_skip_space;
        int orig_has_neg;
-       int _errno;
+       int saved_errno;
        errno = 0; // sscanf won't always set errno, so initialize
        if (sscanf(buf, "%" SCNd64, &num64) != 1)
        {
                MC_DEBUG("Failed to parse, sscanf != 1\n");
                return 1;
        }
-       _errno = errno;
+       saved_errno = errno;
        buf_skip_space = buf;
        orig_has_neg = 0;
        // Skip leading spaces
@@ -171,7 +171,7 @@ int json_parse_int64(const char *buf, int64_t *retval)
        if (buf_skip_space[0] == '0' && buf_skip_space[1] == '\0')
                orig_has_neg = 0; // "-0" is the same as just plain "0"
        
-       if (_errno != ERANGE)
+       if (saved_errno != ERANGE)
        {
                char buf_cmp[100];
                char *buf_cmp_start = buf_cmp;
@@ -199,10 +199,10 @@ int json_parse_int64(const char *buf, int64_t *retval)
                    )
                   )
                {
-                       _errno = ERANGE;
+                       saved_errno = ERANGE;
                }
        }
-       if (_errno == ERANGE)
+       if (saved_errno == ERANGE)
        {
                if (orig_has_neg)
                        num64 = INT64_MIN;