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The following noncompliant code example simply shows the standard string handling function strlen() being called with a plain character string, a signed character string, and an unsigned character string. The strlen() functions takes a single argument of type const char *.
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size_t len; char cstr[] = "char string"; signed char scstr[] = "signed char string"; unsigned char ucstr[] = "unsigned char string"; len = strlen(cstr); len = strlen(scstr); /* warns when char is unsigned */ len = strlen(ucstr); /* warns when char is signed */ |
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The compliant solution uses plain char for character data.
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size_t len; char cstr[] = "char string"; len = strlen(cstr); |
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