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 "64"
#endif

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

  if(!(suffix = getenv("USE_ARCH")))
    if(!(suffix = getenv("BUILDENV")))
      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			# define DEF_SUFFIX "64"
12			#endif
13
14			int main(int argc, char **argv)
15			{
16			char *filename;
17			char *suffix;
18
19			if(!(suffix = getenv("USE_ARCH")))
20			if(!(suffix = getenv("BUILDENV")))
21			suffix = DEF_SUFFIX;
22
23			if (asprintf(&filename, "%s-%s", argv[0], suffix) < 0) {
24			perror(argv[0]);
25			return -1;
26			}
27
28			int status = EXIT_FAILURE;
29			pid_t pid = fork();
30
31			if (pid == 0) {
32			execvp(filename, argv);
33			perror(filename);
34			goto end;
35			} else if (pid < 0) {
36			goto end_error;
37			} else {
38			if (waitpid(pid, &status, 0) != pid) {
39			status = EXIT_FAILURE;
40			goto end_error;
41			}
42			status = WEXITSTATUS(status);
43			}
44			goto end;
45
46			end_error:
47			perror(argv[0]);
48			end:
49			free(filename);
50
51			return status;
52			}
53
54