From f2374ed852654ca13404986d8c04f82bf58812cb Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sun, 27 Feb 2011 02:59:23 -0500 Subject: [PATCH] implement fexecve --- include/unistd.h | 1 + src/process/fexecve.c | 10 ++++++++++ 2 files changed, 11 insertions(+) create mode 100644 src/process/fexecve.c diff --git a/include/unistd.h b/include/unistd.h index c0994af4..f819429e 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -86,6 +86,7 @@ int execle(const char *, ...); int execl(const char *, ...); int execvp(const char *, char *const []); int execlp(const char *, ...); +int fexecve(int, char *const [], char *const []); void _exit(int); pid_t getpid(void); diff --git a/src/process/fexecve.c b/src/process/fexecve.c new file mode 100644 index 00000000..3098645d --- /dev/null +++ b/src/process/fexecve.c @@ -0,0 +1,10 @@ +#include +#include + +int fexecve(int fd, char *const argv[], char *const envp[]) +{ + static const char proc[] = "/proc/self/fd/%d"; + char buf[sizeof proc + 3*sizeof(int)]; + snprintf(buf, sizeof buf, proc, fd); + return execve(buf, argv, envp); +}