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Fix read() warnings

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This commit is contained in:
Adam Honse 2022-09-25 16:33:47 -05:00
parent bf7f470dc5
commit 3219dbfdc4
2 changed files with 42 additions and 8 deletions
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37
i2c_smbus/i2c_smbus_linux.cpp
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@ -6,6 +6,8 @@
| Adam Honse (CalcProgrammer1) 2/14/2019 |
\*-----------------------------------------*/
#include "LogManager.h"
#include "i2c_smbus.h"
#include "i2c_smbus_linux.h"
@ -114,7 +116,12 @@ bool i2c_smbus_linux_detect()
if(test_fd)
{
memset(device_string, 0x00, sizeof(device_string));
read(test_fd, device_string, sizeof(device_string));
if(read(test_fd, device_string, sizeof(device_string)) < 0)
{
LOG_WARNING("[i2c_smbus_linux] Failed to read i2c device name");
}
device_string[strlen(device_string) - 1] = 0x00;
close(test_fd);
@ -154,7 +161,12 @@ bool i2c_smbus_linux_detect()
if (test_fd >= 0)
{
memset(buff, 0x00, sizeof(buff));
read(test_fd, buff, sizeof(buff));
if(read(test_fd, buff, sizeof(buff)) < 0)
{
LOG_WARNING("[i2c_smbus_linux] Failed to read i2c device PCI vendor ID");
}
buff[strlen(buff) - 1] = 0x00;
pci_vendor = strtoul(buff, NULL, 16);
close(test_fd);
@ -166,7 +178,12 @@ bool i2c_smbus_linux_detect()
if (test_fd >= 0)
{
memset(buff, 0x00, sizeof(buff));
read(test_fd, buff, sizeof(buff));
if(read(test_fd, buff, sizeof(buff)) < 0)
{
LOG_WARNING("[i2c_smbus_linux] Failed to read i2c device PCI device ID");
}
buff[strlen(buff) - 1] = 0x00;
pci_device = strtoul(buff, NULL, 16);
close(test_fd);
@ -178,7 +195,12 @@ bool i2c_smbus_linux_detect()
if (test_fd >= 0)
{
memset(buff, 0x00, sizeof(buff));
read(test_fd, buff, sizeof(buff));
if(read(test_fd, buff, sizeof(buff)) < 0)
{
LOG_WARNING("[i2c_smbus_linux] Failed to read i2c device PCI subvendor ID");
}
buff[strlen(buff) - 1] = 0x00;
pci_subsystem_vendor = strtoul(buff, NULL, 16);
close(test_fd);
@ -190,7 +212,12 @@ bool i2c_smbus_linux_detect()
if (test_fd >= 0)
{
memset(buff, 0x00, sizeof(buff));
read(test_fd, buff, sizeof(buff));
if(read(test_fd, buff, sizeof(buff)) < 0)
{
LOG_WARNING("[i2c_smbus_linux] Failed to read i2c device PCI subdevice ID");
}
buff[strlen(buff) - 1] = 0x00;
pci_subsystem_device = strtoul(buff, NULL, 16);
close(test_fd);