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| author | Andreas Kling <awesomekling@gmail.com> | 2019-02-22 01:55:22 +0100 |
|---|---|---|
| committer | Andreas Kling <awesomekling@gmail.com> | 2019-02-22 01:55:22 +0100 |
| commit | 6d3e12899b8b0a3ddc6062fc43b18cba0c788920 (patch) | |
| tree | 02692f889820a183b6ed3b5b2fc3683b897e913e /Userland | |
| parent | e96941920209434ebaf76d6c6b1dc24f18026352 (diff) | |
| download | serenity-6d3e12899b8b0a3ddc6062fc43b18cba0c788920.zip | |
Kernel: Pass process arguments directly on the stack.
Get rid of the convoluted get_arguments and get_environment syscalls.
This patch also adds a simple /bin/env that just prints its environment.
Diffstat (limited to 'Userland')
| -rw-r--r-- | Userland/.gitignore | 1 | ||||
| -rw-r--r-- | Userland/Makefile | 5 | ||||
| -rw-r--r-- | Userland/env.cpp | 9 |
3 files changed, 15 insertions, 0 deletions
diff --git a/Userland/.gitignore b/Userland/.gitignore index 53b51e01f4..ccbf5ecba9 100644 --- a/Userland/.gitignore +++ b/Userland/.gitignore @@ -34,3 +34,4 @@ pape ln df su +env diff --git a/Userland/Makefile b/Userland/Makefile index 76a1f97720..ee357c30d7 100644 --- a/Userland/Makefile +++ b/Userland/Makefile @@ -30,6 +30,7 @@ OBJS = \ df.o \ ln.o \ su.o \ + env.o \ rm.o APPS = \ @@ -65,6 +66,7 @@ APPS = \ ln \ df \ su \ + env \ rm ARCH_FLAGS = @@ -184,6 +186,9 @@ df: df.o su: su.o $(LD) -o $@ $(LDFLAGS) $< ../LibC/LibC.a +env: env.o + $(LD) -o $@ $(LDFLAGS) $< ../LibC/LibC.a + .cpp.o: @echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $< diff --git a/Userland/env.cpp b/Userland/env.cpp new file mode 100644 index 0000000000..0a2a0e39d5 --- /dev/null +++ b/Userland/env.cpp @@ -0,0 +1,9 @@ +#include <unistd.h> +#include <stdio.h> + +int main(int, char**) +{ + for (size_t i = 0; environ[i]; ++i) + printf("%s\n", environ[i]); + return 0; +} |