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refactor: remove redundant len check (#1743)

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`len` returns 0 if the slice is nil. From the Go specification [1]:

  "1. For a nil slice, the number of iterations is 0."

Therefore, an additional `len(v) != 0` check for before the loop is
unnecessary.

[1]: https://go.dev/ref/spec#For_range

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
This commit is contained in:
Eng Zer Jun
2023-09-26 17:00:05 +08:00
committed by GitHub
parent b43c1b9984
commit c1854a3a7b
4 changed files with 39 additions and 47 deletions
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34
reporter/util.go
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@@ -378,25 +378,23 @@ No CVE-IDs are found in updatable packages.
}
data = append(data, []string{"Affected Pkg", line})
if len(pack.AffectedProcs) != 0 {
for _, p := range pack.AffectedProcs {
if len(p.ListenPortStats) == 0 {
data = append(data, []string{"", fmt.Sprintf(" - PID: %s %s", p.PID, p.Name)})
continue
}
var ports []string
for _, pp := range p.ListenPortStats {
if len(pp.PortReachableTo) == 0 {
ports = append(ports, fmt.Sprintf("%s:%s", pp.BindAddress, pp.Port))
} else {
ports = append(ports, fmt.Sprintf("%s:%s(◉ Scannable: %s)", pp.BindAddress, pp.Port, pp.PortReachableTo))
}
}
data = append(data, []string{"",
fmt.Sprintf(" - PID: %s %s, Port: %s", p.PID, p.Name, ports)})
for _, p := range pack.AffectedProcs {
if len(p.ListenPortStats) == 0 {
data = append(data, []string{"", fmt.Sprintf(" - PID: %s %s", p.PID, p.Name)})
continue
}
var ports []string
for _, pp := range p.ListenPortStats {
if len(pp.PortReachableTo) == 0 {
ports = append(ports, fmt.Sprintf("%s:%s", pp.BindAddress, pp.Port))
} else {
ports = append(ports, fmt.Sprintf("%s:%s(◉ Scannable: %s)", pp.BindAddress, pp.Port, pp.PortReachableTo))
}
}
data = append(data, []string{"",
fmt.Sprintf(" - PID: %s %s, Port: %s", p.PID, p.Name, ports)})
}
}
}