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Fix shell crash if PWD is unset.

This commit is contained in:
Jonas 'Sortie' Termansen 2012-10-27 19:23:42 +02:00
parent 754a10e274
commit a041c107d5
1 changed files with 7 additions and 1 deletions
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8
utils/mxsh.cpp
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@ -34,6 +34,12 @@
int status = 0;
const char* getenv_safe(const char* name)
{
const char* ret = getenv(name);
return ret ? ret : "";
}
void on_sigint(int /*signum*/)
{
printf("^C\n");
@ -267,7 +273,7 @@ void get_and_run_command()
| TERMMODE_ECHO;
settermmode(0, termmode);
printf("root@sortix %s # ", getenv("PWD"));
printf("root@sortix %s # ", getenv_safe("PWD"));
fflush(stdout);
const size_t commandsize = 1024;