Global and static variables don't need to be initialized to 0. There is already a test for this but the output message doesn't mention booleans initialized to false. Improve the output message and the test by adding various forms with possible specific integer types and possible multiple zeros. Miscellanea: o Use a variable to hold the possible 0 test
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| @@ -370,6 +370,8 @@ our $typeTypedefs = qr{(?x: · 369 unmodified lines | ||
| 370 | 370 | $typeKernelTypedefs\b |
| 371 | 371 | )}; |
| 372 | 372 | |
| 373 | +our $zero_initializer = qr{(?:(?:0[xX])?0+$Int_type?|NULL|false)\b}; | |
| 374 | + | |
| 373 | 375 | our $logFunctions = qr{(?x: |
| 374 | 376 | printk(?:_ratelimited|_once|)| |
| 375 | 377 | (?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)| |
| @@ -3334,21 +3336,20 @@ sub process { · 2958 unmodified lines | ||
| 3334 | 3336 | } |
| 3335 | 3337 | |
| 3336 | 3338 | # check for global initialisers. |
| 3337 | − if ($line =~ /^\+$Type\s*$Ident(?:\s+$Modifier)*\s*=\s*(?:0|NULL|false)\s*;/) { | |
| 3339 | + if ($line =~ /^\+$Type\s*$Ident(?:\s+$Modifier)*\s*=\s*($zero_initializer)\s*;/) { | |
| 3338 | 3340 | if (ERROR("GLOBAL_INITIALISERS", |
| 3339 | − "do not initialise globals to 0 or NULL\n" . | |
| 3340 | − $herecurr) && | |
| 3341 | + "do not initialise globals to $1\n" . $herecurr) && | |
| 3341 | 3342 | $fix) { |
| 3342 | − $fixed[$fixlinenr] =~ s/(^.$Type\s*$Ident(?:\s+$Modifier)*)\s*=\s*(0|NULL|false)\s*;/$1;/; | |
| 3343 | + $fixed[$fixlinenr] =~ s/(^.$Type\s*$Ident(?:\s+$Modifier)*)\s*=\s*$zero_initializer\s*;/$1;/; | |
| 3343 | 3344 | } |
| 3344 | 3345 | } |
| 3345 | 3346 | # check for static initialisers. |
| 3346 | − if ($line =~ /^\+.*\bstatic\s.*=\s*(0|NULL|false)\s*;/) { | |
| 3347 | + if ($line =~ /^\+.*\bstatic\s.*=\s*($zero_initializer)\s*;/) { | |
| 3347 | 3348 | if (ERROR("INITIALISED_STATIC", |
| 3348 | − "do not initialise statics to 0 or NULL\n" . | |
| 3349 | + "do not initialise statics to $1\n" . | |
| 3349 | 3350 | $herecurr) && |
| 3350 | 3351 | $fix) { |
| 3351 | − $fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*(0|NULL|false)\s*;/$1;/; | |
| 3352 | + $fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*$zero_initializer\s*;/$1;/; | |
| 3352 | 3353 | } |
| 3353 | 3354 | } |
| 3354 | 3355 | |