Corrected the functions.
This commit is contained in:
Adam Fordsmand
parent
234c91637b
commit
9534d412f8
115
BlogDB.c
115
BlogDB.c
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@ -13,8 +13,7 @@ static int AddPost(char title[], int authorId, char datePosted[], char post[], i
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static int EditPost(int postID, char title[], char post[], MYSQL* con);
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static int AddFilePost(int authorID, char filePath[], MYSQL* con);
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static int BlogWrite(MYSQL* con);
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static int PullPostData(char* strings[6], int postID, MYSQL* con);
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static int AddTag(char tagTitle[], MYSQL* con);
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static int PullPostData(char* strings[6], int postID, MYSQL* con); static int AddTag(char tagTitle[], MYSQL* con);
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static int DeleteTag(int tagID, MYSQL* con);
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static int EditTag(int tagID, char tagTitle[], MYSQL* con);
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static int AssignTag(int tagID, int postID, MYSQL* con);
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@ -24,9 +23,9 @@ static int PullAuthorData(char* strings[4], int authorID, MYSQL* con);
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static int ChangeAuthor(int postID, int authorID, MYSQL* con);
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static int TogglePost(int postID, MYSQL* con);
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static bool IsEnabled(int postID, MYSQL* con);
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static int* PostIDs(MYSQL* con);
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static int* ActivePostIDs(MYSQL* con);
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static int* AuthorIDs(MYSQL* con);
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static int PostIDs(int** arr, MYSQL* con);
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static int ActivePostIDs(int** arr, MYSQL* con);
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static int AuthorIDs(int** arr, MYSQL* con);
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// Connects to the MariaDB database and returns the connection
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MYSQL* conn2maria()
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@ -828,12 +827,11 @@ bool IsEnabled(int postID, MYSQL* con)
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return !state;
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}
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// Returns an array of IDs for all posts,
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// Returns the count, and pass an array of IDs for all posts by reference,
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// the last element in the array is set to be negative as to prevent going into unallocated data.
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// Remember to free() the returned array
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int* PostIDs(MYSQL* con)
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int PostIDs(int** arr, MYSQL* con)
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{
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if (con == NULL)
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{
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con = conn2maria();
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@ -853,7 +851,7 @@ int* PostIDs(MYSQL* con)
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row = mysql_fetch_row(result);
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int count = atoi(row[0]);
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//printf("%d\n", count);
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printf("%d\n", count);
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free(result);
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@ -867,26 +865,25 @@ int* PostIDs(MYSQL* con)
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MYSQL_RES *result2 = mysql_store_result(con);
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int *arr = (int *)malloc(sizeof(int) * (count + 1));
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*arr = (int *)malloc(sizeof(int) * (count + 1));
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//printf("arr was allocated: %db of memory\n", sizeof(int) * (count + 1));
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for (int i = 0; i < count; ++i) {
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row = mysql_fetch_row(result2);
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if (row != NULL) {
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arr[i] = atoi(row[0]);
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*(*arr + i) = atoi(row[0]);
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}
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}
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arr[count] = -1;
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return arr;
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*(*arr + count) = -1;
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return count;
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}
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// Returns an array of IDs for all the posts that have state=0,
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// Returns the count, and pass an array of IDs for all the posts that have state=0 by reference,
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// the last element in the array is set to be negative as to prevent going into unallocated data.
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// Remember to free() the returned array
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int* ActivePostIDs(MYSQL* con)
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int ActivePostIDs(int** arr, MYSQL* con)
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{
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if (con == NULL)
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{
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@ -907,7 +904,7 @@ int* ActivePostIDs(MYSQL* con)
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row = mysql_fetch_row(result);
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int count = atoi(row[0]);
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//printf("%d\n", count);
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printf("%d\n", count);
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free(result);
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@ -921,25 +918,25 @@ int* ActivePostIDs(MYSQL* con)
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MYSQL_RES *result2 = mysql_store_result(con);
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int *arr = (int *)malloc(sizeof(int) * (count + 1));
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*arr = (int *)malloc(sizeof(int) * (count + 1));
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//printf("arr was allocated: %db of memory\n", sizeof(int) * (count + 1));
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for (int i = 0; i < count; ++i) {
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row = mysql_fetch_row(result2);
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if (row != NULL) {
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arr[i] = atoi(row[0]);
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*(*arr + i) = atoi(row[0]);
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}
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}
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arr[count] = -1;
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*(*arr + count) = -1;
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return arr;
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return count;
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}
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// Returns an array of IDs for all authors,
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// Returns the count, and pass an array of IDs for all authors by reference,
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// the last element in the array is set to be negative as to prevent going into unallocated data.
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// Remember to free() the returned array
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int* AuthorIDs(MYSQL* con)
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int AuthorIDs(int** arr, MYSQL* con)
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{
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if (con == NULL)
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{
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@ -974,19 +971,19 @@ int* AuthorIDs(MYSQL* con)
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MYSQL_RES *result2 = mysql_store_result(con);
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int *arr = (int *)malloc(sizeof(int) * (count + 1));
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*arr = (int *)malloc(sizeof(int) * (count + 1));
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//printf("arr was allocated: %db of memory\n", sizeof(int) * (count + 1));
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for (int i = 0; i < count; ++i) {
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row = mysql_fetch_row(result2);
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if (row != NULL) {
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arr[i] = atoi(row[0]);
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*(*arr + i) = atoi(row[0]);
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}
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}
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arr[count] = -1;
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*(*arr + count) = -1;
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return arr;
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return count;
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}
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// Main
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@ -1031,70 +1028,72 @@ int main(int argc, char *argv[])
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// ===================================
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*/
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/*
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// ===================================
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// Example of using 'PostIDs()'
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// ===================================
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// Generate array of IDs
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int *postIDs;
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int count2 = PostIDs(&postIDs, NULL);
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// Loop until element is negative i.e. the last
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for (int i = 0; i < count2; ++i)
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{
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// Print contents on a new line
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printf("%d\n", postIDs[i]);
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}
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// Free the memory
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free(postIDs);
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// ===================================
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*/
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/*
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// ===================================
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// Example of using 'ActivePostIDs()'
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// ===================================
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// Generate array of IDs
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int *num = ActivePostIDs(NULL);
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int *activePostIDs;
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int count1 = AuthorIDs(&activePostIDs, NULL);
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// Loop until element is negative i.e. the last
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for (int i = 0; num[i] > 0; ++i)
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for (int i = 0; i < count1; ++i)
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{
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// Print contents on a new line
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printf("%d\n", num[i]);
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printf("%d\n", activePostIDs[i]);
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}
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// Free the memory
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free(num);
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free(activePostIDs);
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// ===================================
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*/
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/*
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// ===================================
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// Example of using 'PostIDs()'
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// Example of using 'AuthorIDs()'
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// ===================================
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// Generate array of IDs
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int *num = PostIDs(NULL);
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int *authorIDs;
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int count3 = AuthorIDs(&authorIDs, NULL);
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// Loop until element is negative i.e. the last
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for (int i = 0; num[i] > 0; ++i)
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for (int i = 0; i < count3; ++i)
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{
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// Print contents on a new line
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printf("%d\n", num[i]);
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printf("%d\n", authorIDs[i]);
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}
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// Free the memory
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free(num);
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free(authorIDs);
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// ===================================
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*/
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/*
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// ===================================
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// Example of using 'PostIDs()'
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// ===================================
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// Generate array of IDs
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int *num = AuthorIDs(NULL);
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// Loop until element is negative i.e. the last
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for (int i = 0; num[i] > 0; ++i)
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{
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// Print contents on a new line
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printf("%d\n", num[i]);
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}
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// Free the memory
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free(num);
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// ===================================
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*/
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// Open the connection
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MYSQL *con = conn2maria();
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