src/usr.bin/which/which.c - diff

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version 1.3, 1998/01/28 17:18:53

version 1.4, 1998/05/07 19:12:20

Line 100

mib[0] = CTL_USER;

mib[1] = USER_CS_PATH;

if (sysctl(mib, 2, NULL, &n, NULL, 0) == -1)

err(-1, "unable to get length of user.cs_path");

err(1, "unable to get length of user.cs_path");

if (n == 0)

errx(-1, "user.cs_path was zero length!");

errx(1, "user.cs_path was zero length!");

if ((path = (char *)malloc(n)) == NULL)

errx(-1, "can't allocate memory.");

errx(1, "can't allocate memory.");

if (sysctl(mib, 2, path, &n, NULL, 0) == -1)

err(-1, "unable to get user.cs_path");

err(1, "unable to get user.cs_path");

} else {

if ((path = getenv("PATH")) == NULL)

err(-1, "can't get $PATH from environment");

err(1, "can't get $PATH from environment");

}

/* To make access(2) do what we want */

if (setgid(getegid()))

err(-1, "Can't set gid to %u", getegid());

err(1, "Can't set gid to %u", getegid());

if (setuid(geteuid()))

err(-1, "Can't set uid to %u", geteuid());

err(1, "Can't set uid to %u", geteuid());

for (n = optind; n < argc; n++)

if (findprog(argv[n], path, progmode, allmatches) == 0)

Line 149

}

if ((path = strdup(path)) == NULL)

errx(-1, "Can't allocate memory.");

errx(1, "Can't allocate memory.");

proglen = strlen(prog);

while ((p = strsep(&path, ":")) != NULL) {