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first test now working, second test causes programm to fail

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This commit is contained in:
Jonas Hofmann 2025-11-19 00:36:25 +01:00
parent 6189a5aa1e
commit 9d913f80f9
2 changed files with 40 additions and 19 deletions
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58
imageInput.c
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@ -26,15 +26,34 @@ GrayScaleImageSeries *readImages(const char *path)
const unsigned int amountOfStatusInfoToRead = 1;
char headerString[sizeof("__info2_image_file_format__\0")] = "";
/*
char curChar = 0;
int i = 0;
*/
//speicher allocaten weil *series auf null zeigt !!!!!!!!
readSource = fopen(path, "rb");
if (readSource != NULL)
{
series = calloc(sizeof(GrayScaleImageSeries), amountOfStatusInfoToRead);
series->images = calloc(sizeof(GrayScaleImage), amountOfStatusInfoToRead);
/*
// print entire source char by char
do
{
curChar = fgetc(readSource);
printf("%x ", curChar);
if (i >= 9)
{
printf("\n");
i = 0;
}
i++;
} while (curChar != EOF);
// print entire source char by char
*/
series = calloc(sizeof(unsigned int) + 3* sizeof(headerString), amountOfStatusInfoToRead);
series->images = calloc(2*sizeof(unsigned int) + sizeof(headerString), amountOfStatusInfoToRead);
numberOfBytesToRead = readStatusInfo(readSource, headerString, &(series->count), &(series->images->width), &(series->images->height), amountOfStatusInfoToRead);
@ -42,10 +61,11 @@ GrayScaleImageSeries *readImages(const char *path)
series->labels = calloc((series->count), sizeof(&(series->labels)));
readImagedata(readSource, series->images->buffer, series->labels, series->count, numberOfBytesToRead);
}
fclose(readSource);
printf("hier\n");
return series;
}
@ -73,10 +93,11 @@ void clearSeries(GrayScaleImageSeries *series)
// AND write NULL into every pointer
// so they can't be accessed
free(series->images->buffer);
free(series->labels);
series->images->buffer = NULL;
series->images = NULL;
free(series->labels);
series->labels = NULL;
free(series->images);
series->images = NULL;
free(series);
series = NULL;
@ -87,25 +108,25 @@ void clearSeries(GrayScaleImageSeries *series)
unsigned int readStatusInfo(FILE *source, char *const headerString, unsigned int *const imageCount, unsigned int *const imageWidth, unsigned int *const imageHeight, int const amountToRead)
{
unsigned int bytesToRead = 0;
/*
int numred = 0;
int numred2 = 0;
int numred3 = 0;
int numred4 = 0;
*/
//unsigned int imageCountBuffer = 0;
*imageCount = 0;
*imageWidth = 0;
*imageHeight = 0;
numred = fread(headerString, sizeof("__info2_image_file_format__\0"), 1, source);
numred2 = fread(imageCount, sizeof(unsigned int), 1, source);
numred3 = fread(imageWidth, sizeof(unsigned int), 1, source);
numred4 = fread(imageHeight, sizeof(unsigned int), 1, source);
*imageCount = 2;
fread(headerString, 27, 1, source);
fread(imageCount, 2, 1, source);
fread(imageWidth, 2, 1, source);
fread(imageHeight, 2, 1, source);
bytesToRead = (*imageWidth) * (*imageHeight);
printf("hier\n");
/*
printf("imgCntBuffer: %u\n", imageCountBuffer);
*imageCount = imageCountBuffer;
printf("numred: %d\n", numred);
printf("stringsize: %lld\n", sizeof("__info2_image_file_format__"));
printf("string: %send\n", headerString);
@ -116,6 +137,7 @@ unsigned int readStatusInfo(FILE *source, char *const headerString, unsigned int
printf("numred4: %d\n", numred4);
printf("height %u\n", *imageHeight);
printf("bytes to read = %u\n", bytesToRead);
*/
return bytesToRead;
}

1
testFile.info2
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@ -1 +0,0 @@
some_tag