17 lines
351 B
C
17 lines
351 B
C
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/* Memory buffer reader, simulates file read
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@ gama
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*/
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#include "mbreader.h"
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int mbread(struct mbreader_t *md, void *buf, size_t n)
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{
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if (!md) return -1;
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size_t read_bytes = (md->offset+n) > md->size ?
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md->size-md->offset : n;
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memcpy(buf,md->ptr + md->offset,read_bytes);
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md->offset += read_bytes;
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return read_bytes;
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}
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