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Changed const char* -> string in most of wpilibc.

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The HAL will remain untouched in order to maintain C-style
compatibility. A few places in wpilibc were left as
C-style strings, especially if special formatting (eg,
elaborate uses of snprintf or sscanf) was being used.

In general, const char* was changed to std::string.
character buffers used for formatting were either
untouched, changed to std::stringstream, or changed
to std::string, depending on what was done with
the buffer.

Change-Id: I5e431ddf1cc4d9a6d534e1f21b16ea23be26e7f1
This commit is contained in:
James Kuszmaul
2015-06-30 15:01:20 -04:00
parent 534ea134a4
commit 98f2d08103
55 changed files with 300 additions and 234 deletions
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8
wpilibc/wpilibC++Devices/src/PWM.cpp
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@@ -13,6 +13,8 @@
#include "WPIErrors.h"
#include "HAL/HAL.hpp"
#include <sstream>
constexpr float PWM::kDefaultPwmPeriod;
constexpr float PWM::kDefaultPwmCenter;
const int32_t PWM::kDefaultPwmStepsDown;
@@ -28,11 +30,11 @@ const int32_t PWM::kPwmDisabled;
* port
*/
PWM::PWM(uint32_t channel) {
char buf[64];
std::stringstream buf;
if (!CheckPWMChannel(channel)) {
snprintf(buf, 64, "PWM Channel %d", channel);
wpi_setWPIErrorWithContext(ChannelIndexOutOfRange, buf);
buf << "PWM Channel " << channel;
wpi_setWPIErrorWithContext(ChannelIndexOutOfRange, buf.str());
return;
}