37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "process.h"
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//Assume that the string passed in is null terminated
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Process *createProcess(char *username, char job, int arrival_time, int duration) {
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// Allocate memory for the process, and check if it was successful
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Process *node = calloc(1, sizeof(Process));
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if (node == NULL) {
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printf("Error allocating memory for process\n");
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exit(EXIT_FAILURE);
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}
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// Free the data first, then allocate memory for the new data
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node->username = calloc(strlen(username) + 1, sizeof(char));
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if (node->username == NULL) {
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printf("Error allocating memory for username data\n");
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exit(EXIT_FAILURE);
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}
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// Copy data from the string passed in to the process's data
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// Makes sure if the string passed in is changed, the process's data is not changed
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// Also makes sure that if the data is on the stack, it is not freed at some other point
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strcpy(node->username, username);
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node->job = job;
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node->arrival_time = arrival_time;
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node->duration = duration;
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node->next_elem = NULL;
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return node;
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}
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void destroyProcess(Process *node) {
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// Free the data first, then free the process
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free(node->username);
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free(node);
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}
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