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User option "-u" now defaults to $USER

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This commit is contained in:
solanav 2019-01-31 00:25:08 +01:00
parent b7b4200f85
commit 7c62db73fc
1 changed files with 12 additions and 3 deletions
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15
htop.c
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@ -43,7 +43,7 @@ static void printHelpFlag() {
"-h --help Print this help screen\n"
"-s --sort-key=COLUMN Sort by COLUMN (try --sort-key=help for a list)\n"
"-t --tree Show the tree view by default\n"
"-u --user=USERNAME Show only processes of a given user\n"
"-u --user=USERNAME Show only processes of a given user. If no username is given, it defaults to $USER.\n"
"-p --pid=PID,[,PID,PID...] Show only the given PIDs\n"
"-v --version Print version info\n"
"\n"
@ -82,7 +82,7 @@ static CommandLineSettings parseArguments(int argc, char** argv) {
{"version", no_argument, 0, 'v'},
{"delay", required_argument, 0, 'd'},
{"sort-key", required_argument, 0, 's'},
{"user", required_argument, 0, 'u'},
{"user", optional_argument, 0, 'u'},
{"no-color", no_argument, 0, 'C'},
{"no-colour",no_argument, 0, 'C'},
{"tree", no_argument, 0, 't'},
@ -92,7 +92,7 @@ static CommandLineSettings parseArguments(int argc, char** argv) {
int opt, opti=0;
/* Parse arguments */
while ((opt = getopt_long(argc, argv, "hvCs:td:u:p:", long_opts, &opti))) {
while ((opt = getopt_long(argc, argv, "hvCs:td:u::p:", long_opts, &opti))) {
if (opt == EOF) break;
switch (opt) {
case 'h':
@ -123,6 +123,15 @@ static CommandLineSettings parseArguments(int argc, char** argv) {
}
break;
case 'u':
if(!optarg && optind < argc && argv[optind] != NULL && argv[optind][0] != '\0' && argv[optind][0] != '-') {
optarg = argv[optind++];
}
if (!optarg) {
optarg = getenv("USER");
flags.userId = geteuid();
}
if (!Action_setUserOnly(optarg, &(flags.userId))) {
fprintf(stderr, "Error: invalid user \"%s\".\n", optarg);
}