75 lines
1.5 KiB
Plaintext
75 lines
1.5 KiB
Plaintext
/* Print which syntax bits are set. */
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#include <sys/types.h>
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#include <stdio.h>
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#include "regex.h"
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/* It's coincidental that these two are currently the same. */
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#define LONGEST_BIT_NAME "RE_UNMATCHED_RIGHT_PAREN_ORD"
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#define LAST_BIT RE_UNMATCHED_RIGHT_PAREN_ORD
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/* Sum of above, when printed. Assigned in main. */
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static unsigned longest;
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static void
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test_bit (syntax, bit, name)
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reg_syntax_t syntax;
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unsigned bit;
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char *name;
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{
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char padding[100], test_str[100];
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int padding_count;
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sprintf (test_str, "%s (%d=0x%x)", name, bit, bit);
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padding_count = longest - strlen (test_str);
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padding[padding_count] = 0;
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while (padding_count--)
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{
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padding[padding_count] = ' ';
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}
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printf ("%s%s (%d=0x%x): %c\n",
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name, padding, bit, bit, syntax & bit ? 'y' : 'n');
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}
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/* Macro to abbreviate the constant arguments. */
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#define TEST_BIT(bit) test_bit (syntax, bit, #bit)
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int
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main (argc, argv)
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int argc;
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char *argv[];
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{
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reg_syntax_t syntax;
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char syntax_str[1000], test_str[100];
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switch (argc)
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{
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case 1:
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printf ("Syntax? ");
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scanf ("%s", syntax_str);
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break;
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case 2:
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strcpy (syntax_str, argv[1]);
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break;
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default:
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fprintf (stderr, "Usage: syntax [syntax].\n");
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exit (1);
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}
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sscanf (syntax_str, "%i", &syntax);
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/* Figure out the longest name, so we can align the output nicely. */
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sprintf (test_str, "%s (%d=0x%x)", LONGEST_BIT_NAME, LAST_BIT, LAST_BIT);
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longest = strlen (test_str);
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/* [[[replace with bit tests]]] */
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return 0;
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}
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