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reformatting: ensure

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This commit is contained in:
Max Bruckner 2016-09-27 23:46:22 +07:00
parent b53ce73709
commit 7f9a2691bf
1 changed files with 32 additions and 13 deletions
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45
cJSON.c
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@ -220,21 +220,40 @@ typedef struct
int offset;
} printbuffer;
static char* ensure(printbuffer *p,int needed)
/* realloc printbuffer if necessary to have at least "needed" bytes more */
static char* ensure(printbuffer *p, int needed)
{
char *newbuffer;int newsize;
if (!p || !p->buffer) return 0;
needed+=p->offset;
if (needed<=p->length) return p->buffer+p->offset;
char *newbuffer;
int newsize;
if (!p || !p->buffer)
{
return 0;
}
needed += p->offset;
if (needed <= p->length)
{
return p->buffer + p->offset;
}
newsize=pow2gt(needed);
newbuffer=(char*)cJSON_malloc(newsize);
if (!newbuffer) {cJSON_free(p->buffer);p->length=0,p->buffer=0;return 0;}
if (newbuffer) memcpy(newbuffer,p->buffer,p->length);
cJSON_free(p->buffer);
p->length=newsize;
p->buffer=newbuffer;
return newbuffer+p->offset;
newsize = pow2gt(needed);
newbuffer = (char*)cJSON_malloc(newsize);
if (!newbuffer)
{
cJSON_free(p->buffer);
p->length = 0;
p->buffer = 0;
return 0;
}
if (newbuffer)
{
memcpy(newbuffer, p->buffer, p->length);
}
cJSON_free(p->buffer);
p->length = newsize;
p->buffer = newbuffer;
return newbuffer + p->offset;
}
static int update(printbuffer *p)