Annotate cfg_error with format attribute #164
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Format attributes help compilers to warn on format string misuses, like:
cfg_error(cfg, user_defined_input) // potential security issue
cfg_error(cfg, "foo %d", "bar")
confuse.c:1246:20: warning: format string is not a string literal [-Wformat-nonliteral]
vfprintf(stderr, fmt, ap);
^~~
Guard the annotation with __GNUC__, defined by GCC and Clang, which
support the GNU extension of function format attributes.
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LGTM |
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Kindly ping. |
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Format attributes help compilers to warn on format string misuses, like:
Guard the annotation with
__GNUC__, defined by GCC and Clang, which support the GNU extension of function format attributes.TODO: Untested on Windows.