22 lines
446 B
C
22 lines
446 B
C
#include "scan.h"
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#include <ctype.h>
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size_t scan_whitenskip(const char *s,size_t limit) {
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register const char *t=s;
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register const char *u=t+limit;
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while (t<u && isspace(*t)) ++t;
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return (size_t)(t-s);
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}
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#ifdef UNITTEST
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#include <assert.h>
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int main() {
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assert(scan_whitenskip("foo",3)==0);
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assert(scan_whitenskip(" foo",4)==1);
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assert(scan_whitenskip(" foo",1)==1);
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assert(scan_whitenskip(" foo",2)==2);
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return 0;
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}
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#endif
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