mirror of https://github.com/vivier/EMILE.git
52 lines
1020 B
C
52 lines
1020 B
C
/*
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*
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* (c) 2005 Laurent Vivier <Laurent@Vivier.EU>
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "libcontainer.h"
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#include "container.h"
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stream_FILE *container_open(stream_VOLUME *volume, char *path)
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{
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container_FILE *file;
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device_io_t *device = (device_io_t*)volume;
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int block_size = device->get_blocksize(device->data);
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unsigned long first, nbblocs;
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int ret;
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first = strtol(path, &path, 0);
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if (*path != ',')
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return NULL;
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path++;
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nbblocs = strtol(path, &path, 0);
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if (*path != 0)
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return NULL;
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file = (container_FILE *)malloc(sizeof(container_FILE) + block_size);
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if (file == NULL)
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return NULL;
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file->container = (struct emile_container*)malloc(block_size * nbblocs);
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if (file->container == NULL)
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{
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free(file);
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return NULL;
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}
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ret = device->read_sector(device->data, first, file->container, block_size * nbblocs);
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if (ret == -1)
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{
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free(file->container);
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free(file);
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}
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file->offset = 0;
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file->device = device;
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file->current_block = 0;
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return (stream_FILE*)file;
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}
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