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tools: add lints for unsafe functions

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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2019-05-08 15:46:29 +00:00
parent be54c185f9
commit 5307949e8f
1 changed files with 29 additions and 0 deletions
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29
tools/checkpatch.pl
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@ -6347,6 +6347,35 @@ sub process {
"Please, only use 32 bit atomics.\n" . $herecurr);
}
# check for use of strcpy()
if ($line =~ /\bstrcpy\s*\(.*\)/) {
ERROR("STRCPY",
"strcpy() is error-prone; please use strlcpy()" . $herecurr);
}
# check for use of strncpy()
if ($line =~ /\bstrncpy\s*\(.*\)/) {
WARN("STRNCPY",
"strncpy() is error-prone; please use strlcpy() if possible, or memcpy()" . $herecurr);
}
# check for use of strcat()
if ($line =~ /\bstrcat\s*\(.*\)/) {
ERROR("STRCAT",
"strcat() is error-prone; please use strlcat() if possible" . $herecurr);
}
# check for use of strncat()
if ($line =~ /\bstrncat\s*\(.*\)/) {
WARN("STRNCAT",
"strncat() is error-prone; please use strlcat() if possible" . $herecurr);
}
# check for use of bzero()
if ($line =~ /\bbzero\s*\(.*\)/) {
ERROR("BZERO",
"bzero() is deprecated; use memset()" . $herecurr);
}
}
# If we have no input at all, then there is nothing to report on