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C: Fixes for sign compares in C libraries

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Added explicit error for sign compares to CMake.  Updated a handful of C
source which compared unsigned vs signed.

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck
2018-02-07 12:17:54 -08:00
parent 460fdc2eb5
commit fe7bd75c91
14 changed files with 21 additions and 24 deletions
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4
src/ecezo/ecezo.c
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@ -395,7 +395,7 @@ int ecezo_read(const ecezo_context dev, char *buffer, size_t len)
else
{
// UART
int bytesRead = 0;
size_t bytesRead = 0;
while(bytesRead < len)
{
@ -437,7 +437,7 @@ upm_result_t ecezo_write(const ecezo_context dev, char *buffer, size_t len)
if (dev->uart)
{
if (mraa_uart_write(dev->uart, buffer, len) != len)
if (mraa_uart_write(dev->uart, buffer, len) != (int)len)
{
printf("%s: mraa_uart_write() failed.\n", __FUNCTION__);
return UPM_ERROR_OPERATION_FAILED;