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bracket logic (to quiet a warning).

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Fix for potential buffer overflow printing extremely large integers.


git-svn-id: http://svn.code.sf.net/p/cjson/code@47 e3330c51-1366-4df0-8b21-3ccf24e3d50e
This commit is contained in:
Dave Gamble 2013-02-05 17:42:42 +00:00
parent 8c60f99c72
commit a7fe08778f
1 changed files with 4 additions and 4 deletions
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8
cJSON.c
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@ -130,9 +130,9 @@ static char *print_number(cJSON *item)
str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */
if (str)
{
if (fabs(floor(d)-d)<=DBL_EPSILON) sprintf(str,"%.0f",d);
else if (fabs(d)<1.0e-6 || fabs(d)>1.0e9) sprintf(str,"%e",d);
else sprintf(str,"%f",d);
if (fabs(floor(d)-d)<=DBL_EPSILON && fabs(d)<1.0e60)sprintf(str,"%.0f",d);
else if (fabs(d)<1.0e-6 || fabs(d)>1.0e9) sprintf(str,"%e",d);
else sprintf(str,"%f",d);
}
}
return str;
@ -174,7 +174,7 @@ static const char *parse_string(cJSON *item,const char *str)
if (ptr[1]!='\\' || ptr[2]!='u') break; /* missing second-half of surrogate. */
sscanf(ptr+3,"%4x",&uc2);ptr+=6;
if (uc2<0xDC00 || uc2>0xDFFF) break; /* invalid second-half of surrogate. */
uc=0x10000 + ((uc&0x3FF)<<10) | (uc2&0x3FF);
uc=0x10000 + (((uc&0x3FF)<<10) | (uc2&0x3FF));
}
len=4;if (uc<0x80) len=1;else if (uc<0x800) len=2;else if (uc<0x10000) len=3; ptr2+=len;