posix/transbug.c

   1 #include <stdio.h>
   2 #include <ctype.h>
   3 #include <errno.h>
   4 #include <locale.h>
   5 #include <regex.h>
   6 #include <stdlib.h>
   7 #include <unistd.h>
   8 #include <string.h>
   9
  10 /* lowercase chars mapped to uppercase */
  11 static const char casetable[] = {
  12   '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
  13   '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
  14   '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
  15   '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
  16   /* ' '     '!'     '"'     '#'     '$'     '%'     '&'     ''' */
  17   '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
  18   /* '('     ')'     '*'     '+'     ','     '-'     '.'     '/' */
  19   '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
  20   /* '0'     '1'     '2'     '3'     '4'     '5'     '6'     '7' */
  21   '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
  22   /* '8'     '9'     ':'     ';'     '<'     '='     '>'     '?' */
  23   '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
  24   /* '@'     'A'     'B'     'C'     'D'     'E'     'F'     'G' */
  25   '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
  26   /* 'H'     'I'     'J'     'K'     'L'     'M'     'N'     'O' */
  27   '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
  28   /* 'P'     'Q'     'R'     'S'     'T'     'U'     'V'     'W' */
  29   '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
  30   /* 'X'     'Y'     'Z'     '['     '\'     ']'     '^'     '_' */
  31   '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
  32   /* '`'     'a'     'b'     'c'     'd'     'e'     'f'     'g' */
  33   '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
  34   /* 'h'     'i'     'j'     'k'     'l'     'm'     'n'     'o' */
  35   '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
  36   /* 'p'     'q'     'r'     's'     't'     'u'     'v'     'w' */
  37   '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
  38   /* 'x'     'y'     'z'     '{'     '|'     '}'     '~' */
  39   '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
  40
  41   /* Latin 1: */
  42   '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
  43   '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
  44   '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
  45   '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
  46   '\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
  47   '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
  48   '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
  49   '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
  50   '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
  51   '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
  52   '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\327',
  53   '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
  54   '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
  55   '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
  56   '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
  57   '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
  58 };
  59
  60
  61 static int
  62 run_test (const char *pattern, struct re_registers *regs)
  63 {
  64   static char text[] = "1111AAAA2222bbbb";
  65
  66   struct re_pattern_buffer pat;
  67
  68   const char *err;
  69   int res;
  70   int start2;
  71
  72   memset (&pat, '\0', sizeof (pat));
  73   memset (regs, '\0', 2 * sizeof (regs[0]));
  74   pat.allocated = 0;            /* regex will allocate the buffer */
  75   pat.fastmap = (char *) malloc (256);
  76   if (pat.fastmap == NULL)
  77     {
  78       puts ("out of memory");
  79       exit (1);
  80     }
  81
  82   pat.translate = (unsigned char *) casetable;
  83
  84   err = re_compile_pattern (pattern, strlen (pattern), &pat);
  85   if (err != NULL)
  86     {
  87       fprintf (stderr, "/%s/: %s\n", pattern, err);
  88       exit (1);
  89     }
  90   res = re_search (&pat, text, strlen (text), 0, strlen (text), &regs[0]);
  91   if (res < 0)
  92     printf ("search 1: res = %d\n", res);
  93   else
  94     printf ("search 1: res = %d, start = %d, end = %d\n",
  95             res, regs[0].start[0], regs[0].end[0]);
  96
  97   if (regs[0].end == NULL)
  98     start2 = 8;
  99   else
 100     start2 = regs[0].end[0] + 1;
 101   regs[1] = regs[0];
 102   res = re_search (&pat, text, strlen (text), start2, strlen (text), &regs[1]);
 103   if (res < 0)
 104     printf ("search 2: res = %d\n", res);
 105   else
 106     printf ("search 2: res = %d, start = %d, end = %d\n",
 107             res, regs[1].start[0], regs[1].end[0]);
 108
 109   return res < 0 ? 1 : 0;
 110 }
 111
 112
 113 static int
 114 do_test (void)
 115 {
 116   static const char lower[] = "[[:lower:]]+";
 117   static const char upper[] = "[[:upper:]]+";
 118   struct re_registers regs[4];
 119
 120   setlocale (LC_ALL, "C");
 121
 122   (void) re_set_syntax (RE_SYNTAX_GNU_AWK);
 123
 124   int result;
 125 #define CHECK(exp) \
 126   if (exp) { puts (#exp); result = 1; }
 127
 128   result = run_test (lower, regs);
 129   result |= run_test (upper, &regs[2]);
 130   if (! result)
 131     {
 132       CHECK (regs[0].start[0] != regs[2].start[0]);
 133       CHECK (regs[0].end[0] != regs[2].end[0]);
 134       CHECK (regs[1].start[0] != regs[3].start[0]);
 135       CHECK (regs[1].end[0] != regs[3].end[0]);
 136     }
 137
 138   return result;
 139 }
 140
 141 #define TEST_FUNCTION do_test ()
 142 #include "../test-skeleton.c"