Speicherreservierung fuer Bildserie

This commit is contained in:
timoh committed 2026-11-12 21:56:47 +01:00
1 parent d4294730ad
commit c262f15ff3
1 file changed
+30
+30
View File
@@ -11,6 +11,7 @@
// TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen // TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
static int Header_check(FILE *file) { static int Header_check(FILE *file) {
char puffer[BUFFER_SIZE] = {0}; char puffer[BUFFER_SIZE] = {0};
fread(puffer, sizeof (char), strlen(FILE_HEADER_STRING), file); fread(puffer, sizeof (char), strlen(FILE_HEADER_STRING), file);
if (!strcmp(puffer, FILE_HEADER_STRING)) { if (!strcmp(puffer, FILE_HEADER_STRING)) {
@@ -28,6 +29,30 @@ static int readDimensions(FILE *file, unsigned short werte[]) {
return 0; return 0;
} }
static GrayScaleImageSeries *createSeries(unsigned short anzahl){
GrayScaleImageSeries *series = (GrayScaleImageSeries *)malloc(sizeof(GrayScaleImageSeries));
if (series == NULL) {
return NULL;
}
series->count = anzahl;
series->labels = (unsigned char *)calloc(anzahl, sizeof(unsigned char));
if (series->labels == NULL) {
free(series);
return NULL;
}
series->images = (GrayScaleImage *)calloc(anzahl, sizeof(GrayScaleImage));
if (series->images == NULL) {
free(series->labels);
free(series);
return NULL;
}
return series;
}
GrayScaleImageSeries *readImages(const char *path) GrayScaleImageSeries *readImages(const char *path)
{ {
GrayScaleImageSeries *series = NULL; GrayScaleImageSeries *series = NULL;
@@ -48,6 +73,11 @@ GrayScaleImageSeries *readImages(const char *path)
fclose(bilder); fclose(bilder);
return NULL; return NULL;
} }
series = createSeries(werte[0]);
if (series == NULL) {
fclose(bilder);
return NULL;
}
return series; return series;
} }