trunk/multiarch-wrapper/multiarch-wrapper.c

#define _GNU_SOURCE

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>

#ifndef DEF_SUFFIX
#  define DEF_SUFFIX "m64"
#endif

int main(int argc, char **argv)
{
  char *filename;
  char *suffix;

  if(!(suffix = getenv("ABI")))
    suffix = DEF_SUFFIX;

  if (asprintf(&filename, "%s-%s", argv[0], suffix) < 0) {
    perror(argv[0]);
    return -1;
  }

  int status = EXIT_FAILURE;
  pid_t pid = fork();

  if (pid == 0) {
    execvp(filename, argv);
    perror(filename);
    goto end;
  } else if (pid < 0) {
    goto end_error;
  } else {
    if (waitpid(pid, &status, 0) != pid) {
      status = EXIT_FAILURE;
      goto end_error;
    }
    status = WEXITSTATUS(status);
  }
  goto end;

end_error:
  perror(argv[0]);
end:
  free(filename);

  return status;
}


1	niro	1148	#define _GNU_SOURCE
2
3			#include <errno.h>
4			#include <stdio.h>
5			#include <stdlib.h>
6			#include <sys/types.h>
7			#include <sys/wait.h>
8			#include <unistd.h>
9
10			#ifndef DEF_SUFFIX
11	niro	1150	# define DEF_SUFFIX "m64"
12	niro	1148	#endif
13
14			int main(int argc, char **argv)
15			{
16			char *filename;
17			char *suffix;
18
19	niro	1150	if(!(suffix = getenv("ABI")))
20			suffix = DEF_SUFFIX;
21	niro	1148
22			if (asprintf(&filename, "%s-%s", argv[0], suffix) < 0) {
23			perror(argv[0]);
24			return -1;
25			}
26
27			int status = EXIT_FAILURE;
28			pid_t pid = fork();
29
30			if (pid == 0) {
31			execvp(filename, argv);
32			perror(filename);
33			goto end;
34			} else if (pid < 0) {
35			goto end_error;
36			} else {
37			if (waitpid(pid, &status, 0) != pid) {
38			status = EXIT_FAILURE;
39			goto end_error;
40			}
41			status = WEXITSTATUS(status);
42			}
43			goto end;
44
45			end_error:
46			perror(argv[0]);
47			end:
48			free(filename);
49
50			return status;
51			}
52
53