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Fix strncpy warning.

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This commit is contained in:
Steveice10 2019-03-02 17:17:35 -08:00
parent 82b49e9102
commit 703d33110f
1 changed files with 13 additions and 12 deletions
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25
source/pc/wav.cpp
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@ -1,6 +1,7 @@
#include "wav.h"
#include <sstream>
#include <string>
#include <errno.h>
#include <stdlib.h>
@ -45,7 +46,7 @@ WAV* wav_read(FILE* fd) {
return NULL;
}
char error[128] = {'\0'};
std::string error = "";
bool riff = false;
bool fmt = false;
bool data = false;
@ -54,23 +55,23 @@ WAV* wav_read(FILE* fd) {
memset(&context, 0, sizeof(context));
context.fd = fd;
while(strlen(error) == 0 && (!riff || !fmt || !data) && wav_next_chunk(&context)) {
while(error.empty() && (!riff || !fmt || !data) && wav_next_chunk(&context)) {
if(memcmp(context.currChunk.chunkId, "RIFF", 4) == 0) {
riff = true;
char format[4];
if(wav_read_chunk_data(&context, format, sizeof(format))) {
if(memcmp(format, "WAVE", sizeof(format)) != 0) {
strncpy(error, "ERROR: RIFF file is not of WAVE format", sizeof(error));
error = "ERROR: RIFF file is not of WAVE format";
}
} else {
strncpy(error, "ERROR: Failed to read RIFF chunk data", sizeof(error));
error = "ERROR: Failed to read RIFF chunk data";
}
} else if(memcmp(context.currChunk.chunkId, "fmt ", 4) == 0) {
fmt = true;
if(!wav_read_chunk_data(&context, &wav->format, sizeof(WavFormatChunk))) {
strncpy(error, "ERROR: Failed to read fmt chunk data", sizeof(error));
error = "ERROR: Failed to read fmt chunk data";
}
} else if(memcmp(context.currChunk.chunkId, "data", 4) == 0) {
data = true;
@ -79,15 +80,15 @@ WAV* wav_read(FILE* fd) {
wav->data.data = (u8*) malloc(wav->data.size);
if(wav->data.data != NULL) {
if(!wav_read_chunk_data(&context, wav->data.data, wav->data.size)) {
strncpy(error, "ERROR: Failed to read data chunk data", sizeof(error));
error = "ERROR: Failed to read data chunk data";
}
} else {
strncpy(error, "ERROR: Could not allocate memory for WAV samples", sizeof(error));
error = "ERROR: Could not allocate memory for WAV samples";
}
}
}
if(strlen(error) == 0 && (!riff || !fmt || !data)) {
if(error.empty() && (!riff || !fmt || !data)) {
std::stringstream stream;
stream << "ERROR: Missing one or more WAV chunks: ";
@ -111,16 +112,16 @@ WAV* wav_read(FILE* fd) {
stream << "data";
}
strncpy(error, stream.str().c_str(), sizeof(error));
error = stream.str();
}
if(strlen(error) > 0) {
if(!error.empty()) {
wav_free(wav);
if(errno != 0) {
perror(error);
perror(error.c_str());
} else {
printf("%s.\n", error);
printf("%s.\n", error.c_str());
}
return NULL;