Add string convertion
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c70db7363d
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eb130f4ba4
@ -67,7 +67,6 @@ int main(int argc, char *argv[]) {
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exit(EXIT_FAILURE);
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}
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fprintf(stderr, "Process id: %d\n", getpid());
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/**
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* Create the pipe file descriptors and inititalize the pipes
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*
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@ -91,14 +90,14 @@ int main(int argc, char *argv[]) {
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node_t * current = head;
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while(fgets(input, __INT8_MAX__, stdin) != NULL) { ///< Read line by line
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/// Split the input by whitespace as delimiter
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char *x = strtok(input, " ");
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char *y = strtok(NULL, " ");
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char *sep, *end;
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float x = strtof(input, &sep); ///< if no characters were converted then input will point to end
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float y = strtof(sep, &end);
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if(x != NULL && y != NULL) {
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if(input != sep || sep != end) {
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/// Convert to float and save to the list
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current -> points[0] = strtof(x, NULL);
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current -> points[1] = strtof(y, NULL);
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current -> points[0] = x;
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current -> points[1] = y;
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current -> next = malloc(sizeof(node_t));
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current = current -> next;
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point_num++; ///< Increase the list length
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@ -131,7 +130,6 @@ int main(int argc, char *argv[]) {
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exit(EXIT_FAILURE);
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case 0:
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/// Child execution
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fprintf(stderr, "Child 1 id: %d\n", getpid());
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close(out_pipe_a[0]);
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close(in_pipe_a[1]);
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close(STDIN_FILENO);
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@ -152,7 +150,6 @@ int main(int argc, char *argv[]) {
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exit(EXIT_FAILURE);
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case 0:
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/// Child execution
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fprintf(stderr, "Child 2 id: %d\n", getpid());
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close(out_pipe_b[0]);
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close(in_pipe_b[1]);
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close(STDIN_FILENO);
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@ -199,27 +196,56 @@ int main(int argc, char *argv[]) {
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}
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/**
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* Send the correct lists to the children
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**/
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/// First half
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*
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* Send first half to first child
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*
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**/
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if(dup2(in_pipe_a[1], STDIN_FILENO) != STDIN_FILENO) {
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fprintf(stderr, "ERROR: Failed duplicating STDIN");
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exit(EXIT_FAILURE);
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}
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if (write(in_pipe_a[1], first_part_buff, first_part_len*sizeof(node_t)) < 0) {
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/// Setup string for pipe
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current = first_part;
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char first_part_string[first_part_len + 1][__UINT8_MAX__];
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int i = 0;
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while(current != NULL) {
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sprintf(first_part_string[i], "%f %f\n", current -> points[0], current -> points[1]);
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i++;
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current = current -> next;
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}
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first_part_string[first_part_len][0] = EOF;
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/// Write to pipe
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if (write(in_pipe_a[1], first_part_string, first_part_len * __UINT8_MAX__) < 0) {
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fprintf(stderr, "ERROR: Failed writing to child\n");
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exit(EXIT_FAILURE);
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}
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close(STDOUT_FILENO);
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///Second half
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/**
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*
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* Send second half to second child
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*
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**/
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if(dup2(in_pipe_b[1], STDIN_FILENO) != STDIN_FILENO) {
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fprintf(stderr, "ERROR: Failed duplicating STDIN");
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fprintf(stderr, "ERROR: Failed duplicating STDIN\n");
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exit(EXIT_FAILURE);
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}
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if (write(in_pipe_b[1], first_part_buff, second_part_len*sizeof(node_t)) < 0) {
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/// Setup string for pipe
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current = second_part;
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char second_part_string[second_part_len + 1][__UINT8_MAX__];
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i = 0;
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while(current != NULL) {
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sprintf(second_part_string[i], "%f %f\n", current -> points[0], current -> points[1]);
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i++;
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current = current -> next;
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}
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second_part_string[second_part_len][0] = EOF;
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/// Write to pipe
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if (write(in_pipe_b[1], second_part_string, second_part_len * __UINT8_MAX__) < 0) {
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fprintf(stderr, "ERROR: Failed writing to child\n");
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exit(EXIT_FAILURE);
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}
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@ -227,7 +253,7 @@ int main(int argc, char *argv[]) {
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/// Wait for the correct exit of the children
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if(wait_for_termination(child_a) != EXIT_SUCCESS || wait_for_termination(child_b) != EXIT_SUCCESS) {
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fprintf(stderr, "ERROR: Children didn't terminate successfully");
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fprintf(stderr, "ERROR: Children didn't terminate successfully\n");
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exit(EXIT_FAILURE);
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}
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@ -339,3 +365,5 @@ int wait_for_termination(pid_t child) {
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return WEXITSTATUS(exit_stat);
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}
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childexec()
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