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Github pullreq 556: long long ints

This commit is contained in:
No Default Name 2022-04-24 16:40:31 +02:00
parent b45f48e600
commit ec898e0143
2 changed files with 63 additions and 31 deletions
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83
cJSON.c
View File

@ -69,6 +69,21 @@
#endif
#define false ((cJSON_bool)0)
/* define our own int max and min */
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#define CJSON_INT_MAX LLONG_MAX
#define CJSON_INT_MIN LLONG_MIN
#define strtoint(s) strtoll((const char*)(s), NULL, 0)
#define intfmt "%lld"
#else
#define CJSON_INT_MAX INT_MAX
#define CJSON_INT_MIN INT_MIN
#define strtoint(s) atoi((const char*)(s))
#define intfmt "%d"
#endif
#define isint(d) (d == floor(d))
/* define isnan and isinf for ANSI C, if in C99 or above, isnan and isinf has been defined in math.h */
#ifndef isinf
#define isinf(d) (isnan((d - d)) && !isnan(d))
@ -305,6 +320,7 @@ typedef struct
static cJSON_bool parse_number(cJSON * const item, parse_buffer * const input_buffer)
{
double number = 0;
cJSON_bool integer = cJSON_True;
unsigned char *after_end = NULL;
unsigned char number_c_string[64];
unsigned char decimal_point = get_decimal_point();
@ -334,12 +350,17 @@ static cJSON_bool parse_number(cJSON * const item, parse_buffer * const input_bu
case '9':
case '+':
case '-':
number_c_string[i] = buffer_at_offset(input_buffer)[i];
break;
case 'e':
case 'E':
integer = cJSON_False;
number_c_string[i] = buffer_at_offset(input_buffer)[i];
break;
case '.':
integer = cJSON_False;
number_c_string[i] = decimal_point;
break;
@ -359,17 +380,22 @@ loop_end:
item->valuedouble = number;
/* use saturation in case of overflow */
if (number >= INT_MAX)
if (number >= CJSON_INT_MAX)
{
item->valueint = INT_MAX;
item->valueint = CJSON_INT_MAX;
}
else if (number <= (double)INT_MIN)
else if (number <= (double)CJSON_INT_MIN)
{
item->valueint = INT_MIN;
item->valueint = CJSON_INT_MIN;
}
else if (integer == cJSON_True)
{
/* parse again to handle the very big integer */
item->valueint = strtoint(number_c_string);
}
else
{
item->valueint = (int)number;
item->valueint = (cJSON_int)number;
}
item->type = cJSON_Number;
@ -381,13 +407,13 @@ loop_end:
/* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */
CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number)
{
if (number >= INT_MAX)
if (number >= CJSON_INT_MAX)
{
object->valueint = INT_MAX;
object->valueint = CJSON_INT_MAX;
}
else if (number <= (double)INT_MIN)
else if (number <= (double)CJSON_INT_MIN)
{
object->valueint = INT_MIN;
object->valueint = CJSON_INT_MIN;
}
else
{
@ -562,10 +588,11 @@ static cJSON_bool print_number(const cJSON * const item, printbuffer * const out
{
length = sprintf((char*)number_buffer, "null");
}
else if(d == (double)item->valueint)
{
length = sprintf((char*)number_buffer, "%d", item->valueint);
}
else if (isint(d) && ((item->valueint != CJSON_INT_MAX &&
item->valueint != CJSON_INT_MIN) || d == (double)item->valueint))
{
length = sprintf((char*)number_buffer, intfmt, item->valueint);
}
else
{
/* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */
@ -2426,27 +2453,25 @@ CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean)
return item;
}
CJSON_PUBLIC(cJSON *) cJSON_CreateInt(cJSON_int num)
{
cJSON *item = cJSON_New_Item(&global_hooks);
if(item)
{
item->type = cJSON_Number;
cJSON_SetIntValue(item, num);
}
return item;
}
CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num)
{
cJSON *item = cJSON_New_Item(&global_hooks);
if(item)
{
item->type = cJSON_Number;
item->valuedouble = num;
/* use saturation in case of overflow */
if (num >= INT_MAX)
{
item->valueint = INT_MAX;
}
else if (num <= (double)INT_MIN)
{
item->valueint = INT_MIN;
}
else
{
item->valueint = (int)num;
}
cJSON_SetNumberValue(item, num);
}
return item;
@ -3022,7 +3047,7 @@ CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * cons
return true;
case cJSON_Number:
if (compare_double(a->valuedouble, b->valuedouble))
if ((a->valueint == b->valueint) && compare_double(a->valuedouble, b->valuedouble))
{
return true;
}

11
cJSON.h
View File

@ -99,6 +99,12 @@ then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way CJ
#define cJSON_IsReference 256
#define cJSON_StringIsConst 512
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
typedef long long cJSON_int;
#else
typedef int cJSON_int;
#endif
/* The cJSON structure: */
typedef struct cJSON
{
@ -114,7 +120,7 @@ typedef struct cJSON
/* The item's string, if type==cJSON_String and type == cJSON_Raw */
char *valuestring;
/* writing to valueint is DEPRECATED, use cJSON_SetNumberValue instead */
int valueint;
cJSON_int valueint;
/* The item's number, if type==cJSON_Number */
double valuedouble;
@ -196,6 +202,7 @@ CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void);
CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void);
CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void);
CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean);
CJSON_PUBLIC(cJSON *) cJSON_CreateInt(cJSON_int num);
CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num);
CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string);
/* raw json */
@ -272,7 +279,7 @@ CJSON_PUBLIC(cJSON*) cJSON_AddObjectToObject(cJSON * const object, const char *
CJSON_PUBLIC(cJSON*) cJSON_AddArrayToObject(cJSON * const object, const char * const name);
/* When assigning an integer value, it needs to be propagated to valuedouble too. */
#define cJSON_SetIntValue(object, number) ((object) ? (object)->valueint = (object)->valuedouble = (number) : (number))
#define cJSON_SetIntValue(object, number) ((object) ? ((object)->valuedouble = (number), (object)->valueint = (number)) : (number))
/* helper for the cJSON_SetNumberValue macro */
CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number);
#define cJSON_SetNumberValue(object, number) ((object != NULL) ? cJSON_SetNumberHelper(object, (double)number) : (number))