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https://github.com/ksherlock/mpw-tools.git
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77d807fbf9
- bump libtomcrypt - SetFile -a "support" - Date command.
138 lines
2.6 KiB
C
138 lines
2.6 KiB
C
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#ifdef __ORCAC__
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#pragma optimize 79
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#pragma noroot
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "SetFile-flags.h"
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void FlagsHelp(void)
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{
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fputs("SetFile [options] file...\n", stdout);
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fputs("-c creator set the creator\n", stdout);
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fputs("-t type set the file type\n", stdout);
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fputs("\n", stdout);
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exit(0);
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}
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struct Flags flags;
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int FlagsParse(int argc, char **argv)
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{
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char *cp;
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char *optarg;
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char c;
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int i;
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int j;
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int eof; // end-of-flags
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int mindex; // mutation index.
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memset(&flags, 0, sizeof(flags));
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for (i = 1, mindex = 1, eof = 0; i < argc; ++i) {
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cp = argv[i];
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c = cp[0];
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if (c != '-' || eof) {
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if (i != mindex) argv[mindex] = argv[i];
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mindex++;
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continue;
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}
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// -- = end of options.
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if (cp[1] == '-' && cp[2] == 0) {
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eof = 1;
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continue;
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}
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// now scan all the flags in the string...
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optarg = NULL;
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for (j = 1; ; ++j) {
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c = cp[j];
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if (c == 0) break;
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switch (c) {
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case 'h':
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FlagsHelp();
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exit(0);
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case 'c':
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// -xarg or -x arg
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++j;
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if (cp[j]) {
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optarg = cp + j;
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}
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else {
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if (++i >= argc) {
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fputs("### - \"-c\" requires an argument.\n", stderr);
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exit(1);
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}
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optarg = argv[i];
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}
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flags._c = optarg;
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break;
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case 't':
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// -xarg or -x arg
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++j;
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if (cp[j]) {
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optarg = cp + j;
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}
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else {
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if (++i >= argc) {
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fputs("### - \"-t\" requires an argument.\n", stderr);
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exit(1);
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}
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optarg = argv[i];
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}
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flags._t = optarg;
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break;
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case 'm':
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// -xarg or -x arg
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++j;
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if (cp[j]) {
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optarg = cp + j;
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}
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else {
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if (++i >= argc) {
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fputs("### - \"-m\" requires an argument.\n", stderr);
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exit(1);
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}
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optarg = argv[i];
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}
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flags._m = optarg;
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break;
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case 'a':
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// -xarg or -x arg
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++j;
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if (cp[j]) {
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optarg = cp + j;
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}
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else {
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if (++i >= argc) {
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fputs("### - \"-a\" requires an argument.\n", stderr);
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exit(1);
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}
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optarg = argv[i];
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}
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flags._a = optarg;
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break;
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default:
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fprintf(stderr, "### - \"-%c\" is not an option.\n", c);
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exit(1);
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}
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if (optarg) break;
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}
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}
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return mindex;
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}
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