1 ae03a48b 2009-08-15 rsc #include <u.h>
2 ae03a48b 2009-08-15 rsc #include <libc.h>
7 ae03a48b 2009-08-15 rsc print("status=usage\n");
12 ae03a48b 2009-08-15 rsc findarg(char *flags, Rune r)
17 ae03a48b 2009-08-15 rsc for(p=flags; p!=(char*)1; p=strchr(p, ',')+1){
18 ae03a48b 2009-08-15 rsc chartorune(&rr, p);
26 ae03a48b 2009-08-15 rsc countargs(char *p)
31 ae03a48b 2009-08-15 rsc while(*p == ' ')
33 ae03a48b 2009-08-15 rsc for(; *p && *p != ','; p++)
34 ae03a48b 2009-08-15 rsc if(*p == ' ' && *(p-1) != ' ')
40 ae03a48b 2009-08-15 rsc main(int argc, char *argv[])
42 ae03a48b 2009-08-15 rsc char *flags, *p, buf[512];
46 ae03a48b 2009-08-15 rsc quotefmtinstall();
47 ae03a48b 2009-08-15 rsc argv0 = argv[0]; /* for sysfatal */
49 ae03a48b 2009-08-15 rsc flags = getenv("flagfmt");
50 ae03a48b 2009-08-15 rsc if(flags == nil){
51 ae03a48b 2009-08-15 rsc fprint(2, "$flagfmt not set\n");
52 ae03a48b 2009-08-15 rsc print("exit 'missing flagfmt'");
56 ae03a48b 2009-08-15 rsc fmtfdinit(&fmt, 1, buf, sizeof buf);
57 ae03a48b 2009-08-15 rsc for(p=flags; p!=(char*)1; p=strchr(p, ',')+1)
58 ae03a48b 2009-08-15 rsc fmtprint(&fmt, "flag%.1s=()\n", p);
61 ae03a48b 2009-08-15 rsc if((p = findarg(flags, ARGC())) == nil)
63 ae03a48b 2009-08-15 rsc p += runelen(ARGC());
64 ae03a48b 2009-08-15 rsc if(*p == ',' || *p == 0){
65 ae03a48b 2009-08-15 rsc fmtprint(&fmt, "flag%C=1\n", ARGC());
68 ae03a48b 2009-08-15 rsc n = countargs(p);
69 ae03a48b 2009-08-15 rsc fmtprint(&fmt, "flag%C=(", ARGC());
70 ae03a48b 2009-08-15 rsc for(i=0; i<n; i++)
71 ae03a48b 2009-08-15 rsc fmtprint(&fmt, "%s%q", i ? " " : "", EARGF(usage()));
72 ae03a48b 2009-08-15 rsc fmtprint(&fmt, ")\n");
75 ae03a48b 2009-08-15 rsc fmtprint(&fmt, "*=(");
76 ae03a48b 2009-08-15 rsc for(i=0; i<argc; i++)
77 ae03a48b 2009-08-15 rsc fmtprint(&fmt, "%s%q", i ? " " : "", argv[i]);
78 ae03a48b 2009-08-15 rsc fmtprint(&fmt, ")\n");
79 ae03a48b 2009-08-15 rsc fmtprint(&fmt, "status=''\n");
80 ae03a48b 2009-08-15 rsc fmtfdflush(&fmt);