cb758bab770fe5f2f865dc5d5da470a4297d5515
[openwrt.git] / package / busybox / patches / 400-revert_awk_getopt.patch
1 diff -ur busybox.old/editors/awk.c busybox.dev/editors/awk.c
2 --- busybox.old/editors/awk.c   2007-01-19 22:23:12.000000000 +0100
3 +++ busybox.dev/editors/awk.c   2007-01-25 20:01:26.000000000 +0100
4 @@ -2639,14 +2639,13 @@
5  
6  int awk_main(int argc, char **argv)
7  {
8 -       unsigned opt;
9 -       char *opt_F, *opt_v, *opt_W;
10         int i, j, flen;
11         var *v;
12         var tv;
13         char **envp;
14         char *vnames = (char *)vNames; /* cheat */
15         char *vvalues = (char *)vValues;
16 +       int c;
17  
18         /* Undo busybox.c, or else strtod may eat ','! This breaks parsing:
19          * $1,$2 == '$1,' '$2', NOT '$1' ',' '$2' */
20 @@ -2694,39 +2693,46 @@
21                 free(s);
22         }
23  
24 -       opt = getopt32(argc, argv, "F:v:f:W:", &opt_F, &opt_v, &programname, &opt_W);
25 -       argv += optind;
26 -       argc -= optind;
27 -       if (opt & 0x1) setvar_s(V[FS], opt_F); // -F
28 -       if (opt & 0x2) if (!is_assignment(opt_v)) bb_show_usage(); // -v
29 -       if (opt & 0x4) { // -f
30 -               char *s = s; /* die, gcc, die */
31 -               FILE *from_file = afopen(programname, "r");
32 -               /* one byte is reserved for some trick in next_token */
33 -               if (fseek(from_file, 0, SEEK_END) == 0) {
34 -                       flen = ftell(from_file);
35 -                       s = xmalloc(flen + 4);
36 -                       fseek(from_file, 0, SEEK_SET);
37 -                       i = 1 + fread(s + 1, 1, flen, from_file);
38 -               } else {
39 -                       for (i = j = 1; j > 0; i += j) {
40 -                               s = xrealloc(s, i + 4096);
41 -                               j = fread(s + i, 1, 4094, from_file);
42 +       while((c = getopt(argc, argv, "F:v:f:W:")) != EOF) {
43 +               switch (c) {
44 +                       case 'F':
45 +                               setvar_s(V[FS], optarg);
46 +                               break;
47 +                       case 'v':
48 +                               if (! is_assignment(optarg))
49 +                                       bb_show_usage();
50 +                               break;
51 +                       case 'f': {
52 +                               FILE *F = afopen(programname = optarg, "r");
53 +                               char *s = NULL;
54 +                               /* one byte is reserved for some trick in next_token */
55 +                               if (fseek(F, 0, SEEK_END) == 0) {
56 +                                       flen = ftell(F);
57 +                                       s = (char *)xmalloc(flen+4);
58 +                                       fseek(F, 0, SEEK_SET);
59 +                                       i = 1 + fread(s+1, 1, flen, F);
60 +                               } else {
61 +                                       for (i=j=1; j>0; i+=j) {
62 +                                               s = (char *)xrealloc(s, i+4096);
63 +                                               j = fread(s+i, 1, 4094, F);
64 +                                       }
65 +                               }
66 +                               s[i] = '\0';
67 +                               fclose(F);
68 +                               parse_program(s+1);
69 +                               free(s);
70 +                               break;
71                         }
72 +                       case 'W':
73 +                               bb_error_msg("Warning: unrecognized option '-W %s' ignored\n", optarg);
74 +                               break;
75 +
76 +                       default:
77 +                               bb_show_usage();
78                 }
79 -               s[i] = '\0';
80 -               fclose(from_file);
81 -               parse_program(s + 1);
82 -               free(s);
83 -       } else { // no -f: take program from 1st parameter
84 -               if (!argc)
85 -                       bb_show_usage();
86 -               programname = "cmd. line";
87 -               parse_program(*argv++);
88 -               argc--;
89         }
90 -       if (opt & 0x8) // -W
91 -               bb_error_msg("warning: unrecognized option '-W %s' ignored", opt_W);
92 +       argc -= optind;
93 +       argv += optind;
94  
95         /* fill in ARGV array */
96         setvar_i(V[ARGC], argc + 1);