23 lines
511 B
C
23 lines
511 B
C
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#include "../command.h"
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#include <pwd.h>
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static void help() {
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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) {
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if (argc > 0 && streql("--help", argv[0])) help();
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uid_t usr = getuid();
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struct passwd* 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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