utils: check for snprintf truncation #1595
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Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
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/approve |
rhatdan
reviewed
Oct 29, 2024
| @@ -1930,7 +1930,7 @@ find_executable (const char *executable_path, const char *cwd) | |||
| it = "."; | |||
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| len = snprintf (path, PATH_MAX, "%s/%s", it, executable_path); | |||
| if (len == PATH_MAX) | |||
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Is it possible for len to be > PATH_MAX? snprintf would ensure it is not, correct?
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Yes, at least that is how I understand the man page
https://man7.org/linux/man-pages/man3/fprintf.3p.html#RETURN_VALUE
This PR matches this example:
Line 458 in 056a407
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