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author | John MacFarlane <jgm@berkeley.edu> | 2020-05-13 17:07:29 -0700 |
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committer | John MacFarlane <jgm@berkeley.edu> | 2020-05-13 17:07:29 -0700 |
commit | 53abb8e3ab21a31ca7b4921207bd97bb42355c80 (patch) | |
tree | 4100fe6e4e0b1aa943e7e947457e590eb5940430 /test/smart_punct.txt | |
parent | 3bfdadcb66aa969bee2eefe6da5df5028b55849d (diff) |
Don't call memcpy with NULL as 1st parameter.
This is illegal according to the C standard, sec. 7.1.4.
"If an argument to a function has an invalid value (such as a value
outside the domain of the function, or a pointer outside the address
space of the program, or a null pointer, or a pointer to non-modifiable
storage when the corresponding parameter is not const-qualified) or a
type (after promotion) not expected by a function with variable number
of arguments, the behavior is undefined."
7.24.1(2): "Where an argument declared as size_t n specifies the length
of the array for a function, n can have the value zero […] pointer
arguments on such a call shall still have valid values, as described in
7.1.4."
See https://www.imperialviolet.org/2016/06/26/nonnull.html
Diffstat (limited to 'test/smart_punct.txt')
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