checkpatch: check for #if 0/#if 1
PATCH v2 1/1 checkpatch: check for #if 0/#if 1
The #if 0 or #if 1 is used to toggle features. Warn if #if 0 or #if 1 is present and suggest that they can be removed.
Signed-off-by Abhijeet Dharmapurikar <[email protected]>
Signed-off-by Prakruthi Deepak Heragu <[email protected]>
---
Changes in v2:
- Rephrase the warning for #if 0
Changes in v1:
- Rephrase the warning message to fit in a single line without 80 column limit
scripts/checkpatch.pl | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
scripts/checkpatch.pl +8 -3
@@ -5383,9 +5383,14 @@ sub process { # warn about #if 0 if ($line =~ /^.\s*\#\s*if\s+0\b/) { - CHK("REDUNDANT_CODE", - "if this code is redundant consider removing it\n" . - $herecurr); + WARN("IF_0", + "Consider removing the code enclosed by this #if 0 and its #endif\n". $herecurr); + } + +# warn about #if 1 + if ($line =~ /^.\s*\#\s*if\s+1\b/) { + WARN("IF_1", + "Consider removing the #if 1 and its #endif\n". $herecurr); } # check for needless "if (<foo>) fn(<foo>)" uses
Signature · 2 lines
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
Quoted 5 lines · Prakruthi Deepak Heragu
The #if 0 or #if 1 is used to toggle features. Warn if #if 0 or #if 1 is present and suggest that they can be removed.
Signed-off-by Abhijeet Dharmapurikar <[email protected]>Signed-off-by Prakruthi Deepak Heragu <[email protected]>
Andrew, can you please move the misplaced periods below to the appropriate positions?
Otherwise:
Acked-by Joe Perches <[email protected]>
scripts/checkpatch.pl
Quoted 1 line
scripts/checkpatch.pl +0
-0
[]
scripts/checkpatch.pl sub process { · line 5387
Quoted 9 lines
scripts/checkpatch.pl +2
-3@@ -5383,9 +5383,14 @@ sub process { # warn about #if 0 if ($line =~ /^.\s*\#\s*if\s+0\b/) { - CHK("REDUNDANT_CODE", - "if this code is redundant consider removing it\n" . - $herecurr); + WARN("IF_0", + "Consider removing the code enclosed by this #if 0 and its #endif\n". $herecurr);
This should have a space before the . and only one space after.
scripts/checkpatch.pl sub process { · line 5393
Quoted 6 lines
scripts/checkpatch.pl +6
-0+ } + +# warn about #if 1 + if ($line =~ /^.\s*\#\s*if\s+1\b/) { + WARN("IF_1", + "Consider removing the #if 1 and its #endif\n". $herecurr);
here too
Quoted 3 lines
scripts/checkpatch.pl +0
-0} # check for needless "if (<foo>) fn(<foo>)" uses