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Fix a couple of problems found by valgrind.

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This commit is contained in:
Oliver Jowett 2015-01-12 00:22:54 +00:00
parent 0b5aac47c4
commit f72fc3dbee
3 changed files with 5 additions and 6 deletions
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5
dump1090.c
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@ -98,10 +98,10 @@ void modesInit(void) {
pthread_cond_init(&Modes.data_cond,NULL);
// Allocate the various buffers used by Modes
Modes.trailing_space = Modes.oversample ? (MODES_OS_PREAMBLE_SIZE + MODES_OS_LONG_MSG_SIZE) : (MODES_PREAMBLE_SIZE + MODES_LONG_MSG_SIZE) + 1;
Modes.trailing_samples = (Modes.oversample ? (MODES_OS_PREAMBLE_SAMPLES + MODES_OS_LONG_MSG_SAMPLES) : (MODES_PREAMBLE_SAMPLES + MODES_LONG_MSG_SAMPLES)) + 16;
if ( ((Modes.icao_cache = (uint32_t *) malloc(sizeof(uint32_t) * MODES_ICAO_CACHE_LEN * 2) ) == NULL) ||
((Modes.pFileData = (uint16_t *) malloc(MODES_ASYNC_BUF_SIZE) ) == NULL) ||
((Modes.magnitude = (uint16_t *) malloc(MODES_ASYNC_BUF_SIZE+Modes.trailing_space) ) == NULL) ||
((Modes.magnitude = (uint16_t *) calloc(MODES_ASYNC_BUF_SAMPLES+Modes.trailing_samples, 2) ) == NULL) ||
((Modes.maglut = (uint16_t *) malloc(sizeof(uint16_t) * 256 * 256) ) == NULL) ||
((Modes.log10lut = (uint16_t *) malloc(sizeof(uint16_t) * 256 * 256) ) == NULL) )
{
@ -112,7 +112,6 @@ void modesInit(void) {
// Clear the buffers that have just been allocated, just in-case
memset(Modes.icao_cache, 0, sizeof(uint32_t) * MODES_ICAO_CACHE_LEN * 2);
memset(Modes.pFileData,127, MODES_ASYNC_BUF_SIZE);
memset(Modes.magnitude, 0, MODES_ASYNC_BUF_SIZE+Modes.trailing_space);
// Validate the users Lat/Lon home location inputs
if ( (Modes.fUserLat > 90.0) // Latitude must be -90 to +90

2
dump1090.h
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@ -288,7 +288,7 @@ struct { // Internal state
int iDataReady; // Fifo content count
int iDataLost; // Count of missed buffers
int trailing_space; // extra trailing space needed by magnitude buffer
int trailing_samples;// extra trailing samples in magnitude buffer
uint16_t *pFileData; // Raw IQ samples buffer (from a File)
uint16_t *magnitude; // Magnitude vector

4
mode_s.c
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@ -1433,10 +1433,10 @@ void displayModesMessage(struct modesMessage *mm) {
// pointed by Modes.magnitude.
//
void computeMagnitudeVector(uint16_t *p) {
uint16_t *m = &Modes.magnitude[Modes.trailing_space];
uint16_t *m = &Modes.magnitude[Modes.trailing_samples];
uint32_t j;
memcpy(Modes.magnitude,&Modes.magnitude[MODES_ASYNC_BUF_SAMPLES], Modes.trailing_space);
memcpy(Modes.magnitude,&Modes.magnitude[MODES_ASYNC_BUF_SAMPLES], Modes.trailing_samples * 2);
// Compute the magnitudo vector. It's just SQRT(I^2 + Q^2), but
// we rescale to the 0-255 range to exploit the full resolution.