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chuckv |
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MODULE STRINGS |
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IMPLICIT NONE |
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CONTAINS |
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!======================================================= |
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LOGICAL FUNCTION STRCMP(sStr1,sStr2) |
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!Comparison of two C strings or a C string and Fortran |
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!string. Stops comparison when it finds \0. |
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CHARACTER*(*),INTENT(IN):: sStr1 |
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CHARACTER*(*),INTENT(IN):: sStr2 |
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INTEGER:: Len1, Len2, k |
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Len1=LEN(sStr1) |
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Len2=LEN(sStr2) |
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STRCMP=.TRUE. |
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k=1 |
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DO |
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IF (k.GT.Len1 .OR. k.GT.Len2) RETURN |
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IF (sStr1(k:k).EQ.CHAR(0) .AND. sStr2(k:k).EQ.CHAR(0)) THEN |
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RETURN |
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ELSE IF (sStr1(k:k).NE.sStr2(k:k)) THEN |
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STRCMP=.FALSE. |
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RETURN |
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END IF |
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k=k+1 |
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END DO |
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END FUNCTION STRCMP |
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!========================================================= |
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FUNCTION C2F(sStr) |
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!C string to Fortran string conversion. Resulting string |
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!is padded with blanks. |
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CHARACTER(*),INTENT(IN):: sStr |
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CHARACTER(LEN=LEN(sStr)):: C2F |
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INTEGER:: nRes |
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nRes=SCAN(sStr,CHAR(0)) |
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IF (nRes.EQ.0) THEN |
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C2F=sStr |
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ELSE |
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C2F=sStr(1:nRes-1) |
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END IF |
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END FUNCTION C2F |
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!========================================================= |
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INTEGER FUNCTION CLEN(szString) |
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!C-length of zero-terminated string |
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CHARACTER(*),INTENT(IN):: szString |
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CLEN=SCAN(szString,CHAR(0)) |
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IF (CLEN.EQ.0) CLEN=LEN(szString) |
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END FUNCTION CLEN |
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!========================================================= |
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END MODULE |
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!!F2C string conversion is simple (TRIM(String)//CHAR(0)). |
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