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52 lines
957 B
C
52 lines
957 B
C
/* Unless compiled with -DNO_OVERWRITE, this variant of s_copy allows the
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* target of an assignment to appear on its right-hand side (contrary
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* to the Fortran 77 Standard, but in accordance with Fortran 90),
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* as in a(2:5) = a(4:7) .
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*/
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#include "f2c.h"
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/* assign strings: a = b */
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#ifdef KR_headers
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VOID s_copy(a, b, la, lb) register char *a, *b; ftnlen la, lb;
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#else
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void s_copy(register char *a, register char *b, ftnlen la, ftnlen lb)
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#endif
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{
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register char *aend, *bend;
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aend = a + la;
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if(la <= lb)
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#ifndef NO_OVERWRITE
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if (a <= b || a >= b + la)
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#endif
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while(a < aend)
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*a++ = *b++;
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#ifndef NO_OVERWRITE
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else
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for(b += la; a < aend; )
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*--aend = *--b;
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#endif
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else {
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bend = b + lb;
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#ifndef NO_OVERWRITE
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if (a <= b || a >= bend)
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#endif
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while(b < bend)
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*a++ = *b++;
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#ifndef NO_OVERWRITE
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else {
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a += lb;
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while(b < bend)
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*--a = *--bend;
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a += lb;
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}
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#endif
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while(a < aend)
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*a++ = ' ';
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}
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}
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