X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=src%2Fload.c;h=2a360ffa04ff308baa670f03e0341851d9e2eb77;hb=ffbab6fedd86ee1a0c7884d62fa7233ce9d745d2;hp=baf3183d3410d33475238acc8b5638ca231d5a9a;hpb=49880cbabeb597a9c748a3d5f37e9961a084dce3;p=jansson.git

diff --git a/src/load.c b/src/load.c
index baf3183..2a360ff 100644
--- a/src/load.c
+++ b/src/load.c
@@ -52,7 +52,7 @@ typedef struct {
     int line, column;
     union {
         char *string;
-        int integer;
+        json_int_t integer;
         double real;
     } value;
 } lex_t;
@@ -113,7 +113,8 @@ static void error_set(json_error_t *error, const lex_t *lex,
 
 /*** lexical analyzer ***/
 
-void stream_init(stream_t *stream, get_func get, eof_func eof, void *data)
+static void
+stream_init(stream_t *stream, get_func get, eof_func eof, void *data)
 {
     stream->get = get;
     stream->eof = eof;
@@ -400,6 +401,12 @@ out:
     free(lex->value.string);
 }
 
+#ifdef JSON_INTEGER_IS_LONG_LONG
+#define json_strtoint     strtoll
+#else
+#define json_strtoint     strtol
+#endif
+
 static int lex_scan_number(lex_t *lex, char c, json_error_t *error)
 {
     const char *saved_text;
@@ -429,25 +436,26 @@ static int lex_scan_number(lex_t *lex, char c, json_error_t *error)
     }
 
     if(c != '.' && c != 'E' && c != 'e') {
-        long value;
+        json_int_t value;
 
         lex_unget_unsave(lex, c);
 
         saved_text = strbuffer_value(&lex->saved_text);
-        value = strtol(saved_text, &end, 10);
-        assert(end == saved_text + lex->saved_text.length);
 
-        if((value == LONG_MAX && errno == ERANGE) || value > INT_MAX) {
-            error_set(error, lex, "too big integer");
-            goto out;
-        }
-        else if((value == LONG_MIN && errno == ERANGE) || value < INT_MIN) {
-            error_set(error, lex, "too big negative integer");
+        errno = 0;
+        value = json_strtoint(saved_text, &end, 10);
+        if(errno == ERANGE) {
+            if(value < 0)
+                error_set(error, lex, "too big negative integer");
+            else
+                error_set(error, lex, "too big integer");
             goto out;
         }
 
+        assert(end == saved_text + lex->saved_text.length);
+
         lex->token = TOKEN_INTEGER;
-        lex->value.integer = (int)value;
+        lex->value.integer = value;
         return 0;
     }
 
@@ -483,14 +491,7 @@ static int lex_scan_number(lex_t *lex, char c, json_error_t *error)
     value = strtod(saved_text, &end);
     assert(end == saved_text + lex->saved_text.length);
 
-    if(value == 0 && errno == ERANGE) {
-        error_set(error, lex, "real number underflow");
-        goto out;
-    }
-
-    /* Cannot test for +/-HUGE_VAL because the HUGE_VAL constant is
-       only defined in C99 mode. So let's trust in sole errno. */
-    else if(errno == ERANGE) {
+    if(errno == ERANGE && value != 0) {
         error_set(error, lex, "real number overflow");
         goto out;
     }