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Add sys$uname() and a /bin/uname utility.
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parent
384e2f24d4
commit
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15 changed files with 129 additions and 10 deletions
46
Userland/uname.cpp
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46
Userland/uname.cpp
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#include <LibC/utsname.h>
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#include <LibC/stdio.h>
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int main(int argc, char** argv)
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{
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utsname uts;
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int rc = uname(&uts);
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if (rc < 0) {
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perror("uname() failed");
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return 0;
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}
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bool flag_s = false;
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bool flag_n = false;
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bool flag_r = false;
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bool flag_m = false;
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if (argc == 1) {
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flag_s = true;
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} else {
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for (int i = 1; i < argc; ++i) {
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if (argv[i][0] == '-') {
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for (const char* o = &argv[i][1]; *o; ++o) {
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switch (*o) {
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case 's': flag_s = true; break;
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case 'n': flag_n = true; break;
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case 'r': flag_r = true; break;
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case 'm': flag_m = true; break;
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case 'a': flag_s = flag_n = flag_r = flag_m = true; break;
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}
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}
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}
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}
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}
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if (!flag_s && !flag_n && !flag_r && !flag_m)
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flag_s = true;
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if (flag_s)
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printf("%s ", uts.sysname);
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if (flag_n)
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printf("%s ", uts.nodename);
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if (flag_r)
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printf("%s ", uts.release);
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if (flag_m)
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printf("%s ", uts.machine);
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printf("\n");
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return 0;
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}
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