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parse_number: improve variable names + const correctness

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This commit is contained in:
Max Bruckner 2017-02-16 20:02:18 +01:00
parent efb5e1bc93
commit 15592c50f6
1 changed files with 8 additions and 8 deletions
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16
cJSON.c
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@ -154,21 +154,20 @@ void cJSON_Delete(cJSON *c)
} }
/* Parse the input text to generate a number, and populate the result into item. */ /* Parse the input text to generate a number, and populate the result into item. */
static const unsigned char *parse_number(cJSON *item, const unsigned char *num) static const unsigned char *parse_number(cJSON * const item, const unsigned char * const input)
{ {
double number = 0; double number = 0;
unsigned char *endpointer = NULL; unsigned char *after_end = NULL;
if (num == NULL) if (input == NULL)
{ {
return NULL; return NULL;
} }
number = strtod((const char*)num, (char**)&endpointer); number = strtod((const char*)input, (char**)&after_end);
if ((num == endpointer) || (num == NULL)) if (input == after_end)
{ {
/* parse_error */ return NULL; /* parse_error */
return NULL;
} }
item->valuedouble = number; item->valuedouble = number;
@ -186,9 +185,10 @@ static const unsigned char *parse_number(cJSON *item, const unsigned char *num)
{ {
item->valueint = (int)number; item->valueint = (int)number;
} }
item->type = cJSON_Number; item->type = cJSON_Number;
return endpointer; return after_end;
} }
/* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */ /* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */