30 lines
583 B
C
30 lines
583 B
C
#include "command.h"
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#include "lslib.h"
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#include <pwd.h>
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#include <stdlib.h>
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#include <unistd.h>
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static void help(void) {
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printf("Usage: whoami\n\n");
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printf("Print the username associated with the current effective user id\n");
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exit(EXIT_SUCCESS);
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}
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COMMAND(whoami_main) {
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uid_t usr;
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struct passwd* passwd;
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parse_help(argc, argv, help);
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usr = getuid();
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passwd = getpwuid(usr);
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if (passwd == NULL) {
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printf("\x1b[1;91myou do not exist.\n");
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} else {
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printf("%s\n", passwd->pw_name);
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}
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return EXIT_SUCCESS;
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}
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