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// kiss-stat --- a utility for getting the user name of file owner
// See LICENSE for copyright information
/* The reason this simple tool exists is because 'stat' is not
* portable and ls is not exactly stable enough for scripting.
* This program is for outputting the owner name, and that's it.
*/
#include <pwd.h>
#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
int main (int argc, char *argv[]) {
struct stat sb;
// Exit if no or multiple arguments are given.
if (argc != 2 || strcmp(argv[1], "--help") == 0) {
fprintf(stderr, "Usage: %s [pathname]\n", argv[0]);
return(1);
}
// Exit if file stat cannot be obtained.
if (lstat(argv[1], &sb) == -1) {
perror(argv[0]);
return(1);
}
// Exit if name of the owner cannot be retrieved.
if (!getpwuid(sb.st_uid)) {
return(1);
}
// Print the user name of file owner.
struct passwd *pw = getpwuid(sb.st_uid);
printf("%s\n", pw->pw_name);
return(0);
}
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