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Clean up device name parsing code to eliminate Coverity errors

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This commit is contained in:
Bill Welliver 2018-09-13 18:56:02 +02:00 committed by Davide Beatrici
parent 64b68c15f4
commit 2017e43ad1
1 changed files with 13 additions and 19 deletions
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16
src/Cedar/BridgeUnix.c
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@ -1126,7 +1126,7 @@ bool DlipReceiveAck(int fd)
#endif // UNIX_SOLARIS
// Separate UNIX device name string into device name and id number
// Validate device name and return proper device path according to system type
bool ParseUnixEthDeviceName(char *dst_devname, UINT dst_devname_size, char *src_name)
{
UINT len, i;
@ -1141,9 +1141,8 @@ bool ParseUnixEthDeviceName(char *dst_devname, UINT dst_devname_size, char *src_
return false;
}
len = strlen(src_name);
// Check string length
if(len == 0)
if (IsEmptyStr(src_name))
{
return false;
}
@ -1159,14 +1158,11 @@ bool ParseUnixEthDeviceName(char *dst_devname, UINT dst_devname_size, char *src_
device_path = "/dev/";
}
device_pathlen = strlen(device_path);
device_pathlen = StrLen(device_path);
for (i = len-1; i+1 != 0; i--)
{
// Find last non-numeric character
// Last character must be a number
if (src_name[i] < '0' || '9' < src_name[i])
{
// last character must be a number
if (src_name[i + 1] == 0)
{
return false;
@ -1176,11 +1172,9 @@ bool ParseUnixEthDeviceName(char *dst_devname, UINT dst_devname_size, char *src_
StrCpy(dst_devname, dst_devname_size, device_path);
StrCpy(dst_devname + device_pathlen, dst_devname_size - device_pathlen, src_name);
dst_devname[device_pathlen + len] = 0;
return true;
}
// All characters in the string was numeric: error
return false;
}
#if defined(BRIDGE_BPF) || defined(BRIDGE_PCAP)
// Initialize captured packet data structure