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embUnit: simplify strcmp() implementation

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The logic of `stdimpl_strcmp()` was needlessly complicated and not
understood by scan-build. This change fixes the warning and makes the
code more readable.

Found via scan-build.
This commit is contained in:
René Kijewski 2015-08-25 00:03:46 +02:00
parent 80fe12e483
commit 2e3a636b7e
1 changed files with 7 additions and 6 deletions
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13
sys/embunit/stdImpl.c
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@ -103,17 +103,18 @@ int stdimpl_strcmp(const char *s1, const char *s2)
if (s1 == s2) {
return 0;
}
else if (s1 && !s2) {
else if (s1 == NULL) {
return -1;
}
else if (s2 == NULL) {
return +1;
}
else if (!s1 && s2) {
return -1;
} else {
char c1,c2;
else {
char c1, c2;
do {
c1 = *s1++;
c2 = *s2++;
} while (c1 && c2 && (c1==c2));
} while ((c1 == c2) && (c1 != '\0'));
return c1 - c2;
}
}