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13 lines
375 B
13 lines
375 B
#include <rangecheck.h> |
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#include <inttypes.h> |
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/* does an UTF-16 string starting at "ptr" lie in buf[0..len-1]? */ |
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int range_str2inbuf(const void* buf,size_t len,const void* stringstart) { |
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const uint16_t* x; |
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const uint16_t* y; |
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if (!range_ptrinbuf(buf,len,x=stringstart)) return 0; |
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y=(const uint16_t*)((char*)x+len); |
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for (; x+1<=y && *x; ++x); |
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return (x+1<=y); |
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} |
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