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-rw-r--r--src/helper/slbt_dump_machine.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/src/helper/slbt_dump_machine.c b/src/helper/slbt_dump_machine.c
deleted file mode 100644
index 40ef387..0000000
--- a/src/helper/slbt_dump_machine.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*******************************************************************/
-/* slibtool: a skinny libtool implementation, written in C */
-/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */
-/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
-/*******************************************************************/
-
-#include <stdio.h>
-#include <limits.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <sys/wait.h>
-
-#include <slibtool/slibtool.h>
-#include "slibtool_spawn_impl.h"
-#include "slibtool_snprintf_impl.h"
-
-static void slbt_dump_machine_child(
- char * program,
- int fd[2])
-{
- char * compiler;
- char * argv[3];
-
- close(fd[0]);
-
- if ((compiler = strrchr(program,'/')))
- compiler++;
- else
- compiler = program;
-
- argv[0] = compiler;
- argv[1] = "-dumpmachine";
- argv[2] = 0;
-
- if ((fd[0] = openat(AT_FDCWD,"/dev/null",O_RDONLY,0)) >= 0)
- if (dup2(fd[0],0) == 0)
- if (dup2(fd[1],1) == 1)
- execvp(program,argv);
-
- _exit(EXIT_FAILURE);
-}
-
-int slbt_dump_machine(
- const char * compiler,
- char * machine,
- size_t buflen)
-{
- ssize_t ret;
- pid_t pid;
- pid_t rpid;
- int code;
- int fd[2];
- char * mark;
- char program[PATH_MAX];
-
- /* setup */
- if (!machine || !buflen || !--buflen) {
- errno = EINVAL;
- return -1;
- }
-
- if (slbt_snprintf(program,sizeof(program),
- "%s",compiler) < 0)
- return -1;
-
- /* fork */
- if (pipe(fd))
- return -1;
-
- if ((pid = fork()) < 0) {
- close(fd[0]);
- close(fd[1]);
- return -1;
- }
-
- /* child */
- if (pid == 0)
- slbt_dump_machine_child(
- program,
- fd);
-
- /* parent */
- close(fd[1]);
-
- mark = machine;
-
- for (; buflen; ) {
- ret = read(fd[0],mark,buflen);
-
- while ((ret < 0) && (errno == EINTR))
- ret = read(fd[0],mark,buflen);
-
- if (ret > 0) {
- buflen -= ret;
- mark += ret;
-
- } else if (ret == 0) {
- close(fd[0]);
- buflen = 0;
-
- } else {
- close(fd[0]);
- return -1;
- }
- }
-
- /* execve verification */
- rpid = waitpid(
- pid,
- &code,
- 0);
-
- if ((rpid != pid) || code) {
- errno = ESTALE;
- return -1;
- }
-
- /* newline verification */
- if ((mark == machine) || (*--mark != '\n')) {
- errno = ERANGE;
- return -1;
- }
-
- *mark = 0;
-
- /* portbld <--> unknown synonym? */
- if ((mark = strstr(machine,"-portbld-")))
- memcpy(mark,"-unknown",8);
-
- /* all done */
- return 0;
-}