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replace another buffer with an allocation (dimok)

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tantricity 2011-06-18 16:01:18 +00:00
parent d5f437723f
commit 6407426a76
1 changed files with 6 additions and 1 deletions
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7
source/file_allocation_table.c
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@ -30,6 +30,7 @@
#include "file_allocation_table.h"
#include "partition.h"
#include "mem_allocate.h"
#include <string.h>
/*
@ -269,7 +270,7 @@ If an error occurs, return CLUSTER_ERROR
uint32_t _FAT_fat_linkFreeClusterCleared (PARTITION* partition, uint32_t cluster) {
uint32_t newCluster;
uint32_t i;
uint8_t emptySector[partition->bytesPerSector];
uint8_t *emptySector;
// Link the cluster
newCluster = _FAT_fat_linkFreeCluster(partition, cluster);
@ -278,6 +279,8 @@ uint32_t _FAT_fat_linkFreeClusterCleared (PARTITION* partition, uint32_t cluster
return CLUSTER_ERROR;
}
emptySector = (uint8_t*) _FAT_mem_allocate(partition->bytesPerSector);
// Clear all the sectors within the cluster
memset (emptySector, 0, partition->bytesPerSector);
for (i = 0; i < partition->sectorsPerCluster; i++) {
@ -286,6 +289,8 @@ uint32_t _FAT_fat_linkFreeClusterCleared (PARTITION* partition, uint32_t cluster
1, emptySector);
}
_FAT_mem_free(emptySector);
return newCluster;
}