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libCom: Fix epicsString.h comparison functions

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The string comparison functions epicsStrCaseCmp() and
epicsStrnCaseCmp() were returning incorrect results
when the strings did not match.

These functions now match their BSD equivalents, and
have working tests to confirm their operation.
This commit is contained in:
Andrew Johnson
2014-03-11 17:12:41 -05:00
parent 4e1a5eefff
commit f5b9db9583
2 changed files with 15 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/libCom/test/epicsStringTest.c
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@@ -56,8 +56,8 @@ MAIN(epicsStringTest)
testOk1(epicsStrnCaseCmp(empty, "", 0) == 0);
testOk1(epicsStrnCaseCmp(empty, "", 1) == 0);
testOk1(epicsStrnCaseCmp(space, empty, 1) < 0);
testOk1(epicsStrnCaseCmp(empty, space, 1) > 0);
testOk1(epicsStrnCaseCmp(space, empty, 1) > 0);
testOk1(epicsStrnCaseCmp(empty, space, 1) < 0);
testOk1(epicsStrnCaseCmp(a, A, 1) == 0);
testOk1(epicsStrnCaseCmp(a, A, 2) == 0);
testOk1(epicsStrnCaseCmp(abcd, ABCD, 2) == 0);
@@ -65,17 +65,17 @@ MAIN(epicsStringTest)
testOk1(epicsStrnCaseCmp(abcd, ABCD, 1000) == 0);
testOk1(epicsStrnCaseCmp(abcd, ABCDE, 2) == 0);
testOk1(epicsStrnCaseCmp(abcd, ABCDE, 4) == 0);
testOk1(epicsStrnCaseCmp(abcd, ABCDE, 1000)> 0);
testOk1(epicsStrnCaseCmp(abcd, ABCDE, 1000) < 0);
testOk1(epicsStrnCaseCmp(abcde, ABCD, 2) == 0);
testOk1(epicsStrnCaseCmp(abcde, ABCD, 4) == 0);
testOk1(epicsStrnCaseCmp(abcde, ABCD, 1000) < 0);
testOk1(epicsStrnCaseCmp(abcde, ABCD, 1000) > 0);
testOk1(epicsStrCaseCmp(empty, "") == 0);
testOk1(epicsStrCaseCmp(a, A) == 0);
testOk1(epicsStrCaseCmp(abcd, ABCD) == 0);
testOk1(epicsStrCaseCmp(abcd, ABCDE) != 0);
testOk1(epicsStrCaseCmp(abcde, ABCD) != 0);
testOk1(epicsStrCaseCmp(abcde, "ABCDF") != 0);
testOk1(epicsStrCaseCmp(abcd, ABCDE) < 0);
testOk1(epicsStrCaseCmp(abcde, ABCD) > 0);
testOk1(epicsStrCaseCmp(abcde, "ABCDF") < 0);
s = epicsStrDup(abcd);
testOk(strcmp(s, abcd) == 0 && s != abcd, "epicsStrDup");