48 lines
1018 B
C
48 lines
1018 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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int main(int argc, char** argv) {
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int** m;
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FILE* f;
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int i, j, rows, cols, fd;
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f = fopen(argv[1], "r");
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if(f == NULL) {
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perror("Could not open file");
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return 1;
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}
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fscanf(f, "%d %d", &rows, &cols);
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m = (int**)malloc(sizeof(int*)*rows);
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for(i=0; i<rows; i++) {
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m[i] = (int*)malloc(sizeof(int)*cols);
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for(j=0; j<cols; j++) {
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fscanf(f, "%d",&m[i][j]);
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}
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}
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fclose(f);
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fd = open(argv[2], O_CREAT | O_WRONLY, 00600);
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if(fd == -1) {
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perror("Could not open destination file");
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return 1;
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}
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write(fd, &rows, sizeof(int));
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write(fd, &cols, sizeof(int));
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for(i=0; i<rows; i++) {
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for(j=0; j<cols; j++) {
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write(fd, &m[i][j], sizeof(int));
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}
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}
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close(fd);
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for(i=0;i<rows;i++)
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{
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free(m[i]);
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}
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free(m);
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return 0;
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}
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