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60 lines
2.0 KiB
Plaintext
60 lines
2.0 KiB
Plaintext
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/**
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* @name Deprecated function usage detection
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* @description Detects functions whose usage is banned from the OpenZFS
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* codebase due to QA concerns.
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* @kind problem
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* @severity error
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* @id cpp/deprecated-function-usage
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*/
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import cpp
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predicate isDeprecatedFunction(Function f) {
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f.getName() = "strtok" or
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f.getName() = "__xpg_basename" or
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f.getName() = "basename" or
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f.getName() = "dirname" or
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f.getName() = "bcopy" or
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f.getName() = "bcmp" or
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f.getName() = "bzero" or
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f.getName() = "asctime" or
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f.getName() = "asctime_r" or
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f.getName() = "gmtime" or
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f.getName() = "localtime" or
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f.getName() = "strncpy"
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}
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string getReplacementMessage(Function f) {
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if f.getName() = "strtok" then
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result = "Use strtok_r(3) instead!"
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else if f.getName() = "__xpg_basename" then
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result = "basename(3) is underspecified. Use zfs_basename() instead!"
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else if f.getName() = "basename" then
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result = "basename(3) is underspecified. Use zfs_basename() instead!"
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else if f.getName() = "dirname" then
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result = "dirname(3) is underspecified. Use zfs_dirnamelen() instead!"
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else if f.getName() = "bcopy" then
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result = "bcopy(3) is deprecated. Use memcpy(3)/memmove(3) instead!"
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else if f.getName() = "bcmp" then
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result = "bcmp(3) is deprecated. Use memcmp(3) instead!"
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else if f.getName() = "bzero" then
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result = "bzero(3) is deprecated. Use memset(3) instead!"
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else if f.getName() = "asctime" then
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result = "Use strftime(3) instead!"
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else if f.getName() = "asctime_r" then
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result = "Use strftime(3) instead!"
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else if f.getName() = "gmtime" then
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result = "gmtime(3) isn't thread-safe. Use gmtime_r(3) instead!"
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else if f.getName() = "localtime" then
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result = "localtime(3) isn't thread-safe. Use localtime_r(3) instead!"
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else
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result = "strncpy(3) is deprecated. Use strlcpy(3) instead!"
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}
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from FunctionCall fc, Function f
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where
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fc.getTarget() = f and
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isDeprecatedFunction(f)
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select fc, getReplacementMessage(f)
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