diff options
Diffstat (limited to 'src/user/lib')
-rw-r--r-- | src/user/lib/include/unistd.h | 2 | ||||
-rw-r--r-- | src/user/lib/stdlib.c | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/src/user/lib/include/unistd.h b/src/user/lib/include/unistd.h index b825e45..4f367ca 100644 --- a/src/user/lib/include/unistd.h +++ b/src/user/lib/include/unistd.h @@ -4,3 +4,5 @@ int fork(void); int close(handle_t h); _Noreturn void exit(int); + +int execv(const char *path, char *const argv[]); diff --git a/src/user/lib/stdlib.c b/src/user/lib/stdlib.c index 068635b..179bd8f 100644 --- a/src/user/lib/stdlib.c +++ b/src/user/lib/stdlib.c @@ -1,5 +1,8 @@ #include <camellia/syscalls.h> +#include <errno.h> +#include <stdio.h> #include <unistd.h> +#include <user/lib/elfload.h> int errno = 0; @@ -14,3 +17,16 @@ int close(handle_t h) { _Noreturn void exit(int c) { _syscall_exit(c); } + +int execv(const char *path, char *const argv[]) { + (void)argv; + + FILE *file = fopen(path, "r"); + if (!file) + return -1; + + elf_execf(file); + fclose(file); + errno = EINVAL; + return -1; +} |