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LibC: Support getsignalbyname() with full signal name

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This allows e.g. to use `kill` with names like -SIGKILL, not only -KILL.
This commit is contained in:
Maciej Zygmanowski 2021-08-22 13:29:57 +02:00 • committed by Andreas Kling
parent 283d8d3928
commit 7237972022
1 changed files with 3 additions and 2 deletions
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5
Userland/Libraries/LibC/signal.cpp
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@ -197,9 +197,10 @@ static_assert(sizeof(sys_signame) == sizeof(const char*) * NSIG);
int getsignalbyname(const char* name) int getsignalbyname(const char* name)
{ {
VERIFY(name); VERIFY(name);
StringView name_sv(name);
for (size_t i = 0; i < NSIG; ++i) { for (size_t i = 0; i < NSIG; ++i) {
auto* signal_name = sys_signame[i]; auto signal_name = StringView(sys_signame[i]);
if (!strcmp(signal_name, name)) if (signal_name == name_sv || (name_sv.starts_with("SIG") && signal_name == name_sv.substring_view(3)))
return i; return i;
} }
errno = EINVAL; errno = EINVAL;