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fixed undefined behavior 

Credits to OSS-Fuzz
This commit is contained in:
Frank Morgner 2019-08-29 11:12:45 +02:00
parent e971ffb48e
commit 3e110995bc
1 changed files with 8 additions and 3 deletions
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11
src/libopensc/sc.c
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@ -205,21 +205,26 @@ unsigned long bebytes2ulong(const u8 *buf)
{
if (buf == NULL)
return 0UL;
return (unsigned long) (buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3]);
return (unsigned long)buf[0] << 24
| (unsigned long)buf[1] << 16
| (unsigned long)buf[2] << 8
| (unsigned long)buf[3];
}
unsigned short bebytes2ushort(const u8 *buf)
{
if (buf == NULL)
return 0U;
return (unsigned short) (buf[0] << 8 | buf[1]);
return (unsigned short)buf[0] << 8
| (unsigned short)buf[1];
}
unsigned short lebytes2ushort(const u8 *buf)
{
if (buf == NULL)
return 0U;
return (unsigned short)buf[1] << 8 | (unsigned short)buf[0];
return (unsigned short)buf[1] << 8
| (unsigned short)buf[0];
}
void sc_init_oid(struct sc_object_id *oid)