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Reuse memory where we can!

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This commit is contained in:
Jacob Windle 2020-01-13 12:07:24 -05:00
parent c89f53cc62
commit e5f4dd5637
1 changed files with 7 additions and 3 deletions
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10
main.c
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@ -129,10 +129,14 @@ int read_config_file() {
fprintf(stderr, "Read %s from config file\n", buf); fprintf(stderr, "Read %s from config file\n", buf);
// overwrite data in these nodes. // overwrite data in these nodes.
// TODO - this could be more efficient
if (ptr != NULL && strcmp(buf, ptr->data) != 0) { if (ptr != NULL && strcmp(buf, ptr->data) != 0) {
free(ptr->data); if (strlen(ptr->data) < strlen(buf)) {
ptr->data = strdup(buf); if ((ptr->data = realloc(ptr->data, strlen(buf))) < 0) {
fprintf(stderr, "Failed to realloc pointer\n");
exit(1);
}
}
strcpy(ptr->data, buf);
ptr = ptr->next; ptr = ptr->next;
} else { } else {
linkedlist_add(&hosts, buf); linkedlist_add(&hosts, buf);