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Differential D28684 Diff 84194 contrib/netbsd-tests/lib/libc/gen/posix_spawn/h_fileactions.c

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contrib/netbsd-tests/lib/libc/gen/posix_spawn/h_fileactions.c

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* main test program via posix spawn file actions. * main test program via posix spawn file actions.
* Program exits with EXIT_SUCCESS or EXIT_FAILURE accordingly * Program exits with EXIT_SUCCESS or EXIT_FAILURE accordingly
* (and does some stderr diagnostics in case of errors). * (and does some stderr diagnostics in case of errors).
*/ */
int int
main(int argc, char **argv) main(int argc, char **argv)
{ {
int res = EXIT_SUCCESS; int res = EXIT_SUCCESS;
long lowfd;
char buf[BUFSIZE]; char buf[BUFSIZE];
struct stat sb0, sb1; struct stat sb0, sb1;
if (argc < 2) {
fprintf(stderr, "%s: Not enough arguments: %d\n", getprogname(),
argc);
return EXIT_FAILURE;
}
lowfd = strtol(argv[1], NULL, 10);
if (lowfd < 3) {
fprintf(stderr, "%s: Invalid lowfd %d (as str: %s) \n",
getprogname(), argc, argv[1]);
return EXIT_FAILURE;
}
strcpy(buf, "test..."); strcpy(buf, "test...");
/* file desc 3 should be closed via addclose */ /* First fd should be closed via addclose */
if (read(3, buf, BUFSIZE) != -1 || errno != EBADF) { if (read(lowfd, buf, BUFSIZE) != -1 || errno != EBADF) {
fprintf(stderr, "%s: filedesc 3 is not closed\n", fprintf(stderr, "%s: first filedesc is not closed\n",
getprogname()); getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
/* file desc 4 should be closed via closeonexec */ /* Next file desc should be closed via closeonexec */
if (read(4, buf, BUFSIZE) != -1 || errno != EBADF) { if (read(lowfd + 1, buf, BUFSIZE) != -1 || errno != EBADF) {
fprintf(stderr, "%s: filedesc 4 is not closed\n", fprintf(stderr, "%s: filedesc +1 is not closed\n",
getprogname()); getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
/* file desc 5 remains open */ /* file desc + 2 remains open */
if (write(5, buf, BUFSIZE) <= 0) { if (write(lowfd + 2, buf, BUFSIZE) <= 0) {
fprintf(stderr, "%s: could not write to filedesc 5\n", fprintf(stderr, "%s: could not write to filedesc +2\n",
getprogname()); getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
/* file desc 6 should be open (via addopen) */ /* file desc + 3 should be open (via addopen) */
if (write(6, buf, BUFSIZE) <= 0) { if (write(lowfd + 3, buf, BUFSIZE) <= 0) {
fprintf(stderr, "%s: could not write to filedesc 6\n", fprintf(stderr, "%s: could not write to filedesc +3\n",
getprogname()); getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
/* file desc 7 should refer to stdout */ /* file desc + 4 should refer to stdout */
fflush(stdout); fflush(stdout);
if (fstat(fileno(stdout), &sb0) != 0) { if (fstat(fileno(stdout), &sb0) != 0) {
fprintf(stderr, "%s: could not fstat stdout\n", fprintf(stderr, "%s: could not fstat stdout\n",
getprogname()); getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
if (fstat(7, &sb1) != 0) { if (fstat(lowfd + 4, &sb1) != 0) {
fprintf(stderr, "%s: could not fstat filedesc 7\n", fprintf(stderr, "%s: could not fstat filedesc +4\n",
getprogname()); getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
if (write(7, buf, strlen(buf)) <= 0) { if (write(lowfd + 4, buf, strlen(buf)) <= 0) {
fprintf(stderr, "%s: could not write to filedesc 7\n", fprintf(stderr, "%s: could not write to filedesc +4\n",
getprogname()); getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
if (memcmp(&sb0, &sb1, sizeof sb0) != 0) { if (memcmp(&sb0, &sb1, sizeof sb0) != 0) {
fprintf(stderr, "%s: stat results differ\n", getprogname()); fprintf(stderr, "%s: stat results differ\n", getprogname());
res = EXIT_FAILURE; res = EXIT_FAILURE;
} }
return res; return res;
} }