102 lines
1.9 KiB
C
102 lines
1.9 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 "Delete-flags.h"
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void FlagsHelp(void)
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{
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fputs("Delete [options] name...\n", stdout);
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fputs("-y delete directory contents (avoids dialog)\n", stdout);
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fputs("-n don't delete directory contents (avoids dialog)\n", stdout);
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fputs("-c cancel if a directory is to be deleted (avoids dialog)\n", stdout);
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fputs("-i ignore errors (no diagnostics)\n", stdout);
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fputs("-p write progress information to diagnostics\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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{
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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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{
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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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{
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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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{
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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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{
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case 'h':
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FlagsHelp();
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exit(0);
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case 'y':
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case 'Y':
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flags._y = 1;
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break;
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case 'n':
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case 'N':
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flags._n = 1;
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break;
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case 'c':
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case 'C':
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flags._c = 1;
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break;
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case 'i':
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case 'I':
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flags._i = 1;
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break;
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case 'p':
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case 'P':
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flags._p = 1;
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break;
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default:
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fprintf(stderr, "### Delete - \"-%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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