1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
|
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "libics.h"
int main (int argc, const char* argv[]) {
ICS* ip;
Ics_DataType dt1, dt2;
int ndims;
size_t dims[ICS_MAXDIM];
size_t bufsize;
void* buf1;
void* buf2;
Ics_Error retval;
if (argc != 3) {
fprintf(stderr, "Two file names required: in1 in2\n");
exit(-1);
}
/* Read image 1 */
retval = IcsOpen(&ip, argv[1], "r");
if (retval != IcsErr_Ok) {
fprintf(stderr, "Could not open input file: %s\n",
IcsGetErrorText(retval));
exit(-1);
}
IcsGetLayout(ip, &dt1, &ndims, dims);
bufsize = IcsGetDataSize(ip);
buf1 = malloc(bufsize);
if (buf1 == NULL) {
fprintf(stderr, "Could not allocate memory.\n");
exit(-1);
}
retval = IcsGetData(ip, buf1, bufsize);
if (retval != IcsErr_Ok) {
fprintf(stderr, "Could not read input image data: %s\n",
IcsGetErrorText(retval));
exit(-1);
}
retval = IcsClose(ip);
if (retval != IcsErr_Ok) {
fprintf(stderr, "Could not close input file: %s\n",
IcsGetErrorText(retval));
exit(-1);
}
/* Read image 2 */
retval = IcsOpen(&ip, argv[2], "r");
if (retval != IcsErr_Ok) {
fprintf(stderr, "Could not open compressed file for reading: %s\n",
IcsGetErrorText(retval));
exit(-1);
}
IcsGetLayout(ip, &dt2, &ndims, dims);
if (dt1 != dt2) {
fprintf(stderr, "Data type in 2nd file does not match 1st.\n");
exit(-1);
}
if (bufsize != IcsGetDataSize(ip)) {
fprintf(stderr, "Data in 2nd file not same size 1st.\n");
exit(-1);
}
buf2 = malloc(bufsize);
if (buf2 == NULL) {
fprintf(stderr, "Could not allocate memory.\n");
exit(-1);
}
retval = IcsGetData(ip, buf2, bufsize);
if (retval != IcsErr_Ok) {
fprintf(stderr, "Could not read compressed image data: %s\n",
IcsGetErrorText(retval));
exit(-1);
}
retval = IcsClose(ip);
if (retval != IcsErr_Ok) {
fprintf(stderr, "Could not close output file: %s\n",
IcsGetErrorText(retval));
exit(-1);
}
if (memcmp(buf1, buf2, bufsize) != 0) {
fprintf(stderr, "Data in the two files is different.\n");
exit(-1);
}
free(buf1);
free(buf2);
exit(0);
}
|