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14 lines
485 B
C
14 lines
485 B
C
4 years ago
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#include "parse.h"
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// This function asserts that the caller wants to read n bytes from the stream.
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// If there is less space available, set the stream to error state.
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int bs_capacityassert(struct bytestream* bs,size_t capacity) {
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if (bs->cur>=bs->max || // if EOF or error, return 0
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bs->max - bs->cur < capacity) { // not EOF but less than that many bytes left
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bs->cur = 1; // set stream to error state
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bs->max = 0;
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return 0; // return failure
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}
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return 1;
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}
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