Re: Memory Leaks - Can you help me find them in ths snippet

"Alf P. Steinbach" <>
Mon, 28 Jan 2008 19:17:58 +0100

Thanks everyone, that solved the problem. Here is the corrected code:

char **columns;
columns = (CHAR **)malloc (lColumnCount * sizeof (CHAR *));

if (NULL == columns) return FALSE; //memory allocation failed

//allocate space for the column names in the char**
int column_index;
for (column_index = 0; column_index < lColumnCount; column_index++)
  // Allocate for the maximum owner.table.column notation
  columns[column_index] = (char *)malloc(SE_QUALIFIED_COLUMN_LEN);

  if (NULL == columns[column_index])
      free(columns); //memory allocation failed
      return FALSE;

In this case you have a memory leak.


//put the data in the char**
for (column_index = 0; column_index < lColumnCount; column_index++)
   strcpy (columns[column_index], CStringColumnName[column_index]);

//do some stuff with columns

for( int i = 0; i < lColumnCount; ++i )

A: Because it messes up the order in which people normally read text.
Q: Why is it such a bad thing?
A: Top-posting.
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