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/* |
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* i-scream central monitoring system |
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* i-scream libstatgrab |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2004 i-scream |
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* |
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#include <stdlib.h> |
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#include "tools.h" |
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#include "vector.h" |
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void *statgrab_vector_resize(void *vector, vector_header *h, int count) { |
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void *sg_vector_resize(void *vector, vector_header *h, int count) { |
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int new_count, i; |
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/* Destroy any now-unused items. */ |
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/* Destroy any now-unused items. |
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* |
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* Note that there's an assumption here that making the vector smaller |
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* will never fail; if it did, then we would have destroyed items here |
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* but not actually got rid of the vector pointing to them before the |
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* error return.) */ |
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if (count < h->used_count && h->destroy_fn != NULL) { |
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for (i = count; i < h->used_count; i++) { |
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h->destroy_fn((void *) (vector + i * h->item_size)); |
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if (new_count != h->alloc_count) { |
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char *new_vector; |
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new_vector = realloc(vector, new_count * h->item_size); |
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new_vector = sg_realloc(vector, new_count * h->item_size); |
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if (new_vector == NULL && new_count != 0) { |
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/* Out of memory -- free the contents of the vector. */ |
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statgrab_vector_resize(vector, h, 0); |
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/* And return the sentinel value to indicate failure. */ |
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return statgrab_vector_sentinel; |
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sg_vector_resize(vector, h, 0); |
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h->error = -1; |
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return vector; |
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} |
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vector = new_vector; |
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} |
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h->used_count = count; |
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h->error = 0; |
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return vector; |
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} |
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