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Reuse the argv[0] string in program_invocation_name(3).

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Jonas 'Sortie' Termansen 2014-08-02 19:47:08 +02:00
parent 392472af5c
commit 8fef8f7bb1
1 changed files with 1 additions and 10 deletions
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11
libc/init/init.cpp
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@ -43,22 +43,13 @@ static char* find_last_elem(char* str)
extern "C" void initialize_standard_library(int argc, char* argv[])
{
// We got ourselves a little bootstrap problem. We'd like these variables to
// be available during early startup - however, we can't create a copy yet
// because the heap isn't initialized yet. Instead, we'll simply point at
// the original value - we're safe since argv[0] is not supposed to be
// modified until main is run. Once we heap is up, we'll strdup.
const char* argv0 = argc ? argv[0] : "";
program_invocation_name = (char*) argv0;
program_invocation_short_name = find_last_elem((char*) argv0);
// Initialize pthreads and stuff like thread-local storage.
// Initialize pthreads.
pthread_initialize();
// Initialize stdio.
init_stdio();
// We can now create a copy of the program name variables safely.
program_invocation_name = strdup(program_invocation_name);
program_invocation_short_name = find_last_elem(program_invocation_name);
}