File: conf_to_src.c

package info (click to toggle)
mysql 3.23.49-8.13
  • links: PTS
  • area: main
  • in suites: woody
  • size: 65,624 kB
  • ctags: 45,242
  • sloc: ansic: 255,722; cpp: 86,801; perl: 26,117; tcl: 19,882; sh: 18,775; asm: 4,001; yacc: 2,626; makefile: 2,494; java: 2,300; awk: 1,484; sed: 428
file content (143 lines) | stat: -rw-r--r-- 3,473 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
   MA 02111-1307, USA */

/* can't use -lmysys because this prog is used to create -lstrings */

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#define CHARSETS_SUBDIR "sql/share/charsets"
#define CTYPE_TABLE_SIZE      257
#define TO_LOWER_TABLE_SIZE   256
#define TO_UPPER_TABLE_SIZE   256
#define SORT_ORDER_TABLE_SIZE 256
#define ROW_LEN 16

void print_arrays_for(char *set);

char *prog;
char buf[1024], *p, *endptr;

int
main(int argc, char **argv)
{
  prog = *argv;

  if (argc < 2) {
    fprintf(stderr, "usage: %s source-dir [charset [, charset]]\n", prog);
    exit(EXIT_FAILURE);
  }

  --argc; ++argv;       /* skip program name */

  if (chdir(*argv) != 0) {
    fprintf(stderr, "%s: can't cd to %s\n", prog, *argv);
    exit(EXIT_FAILURE);
  }
  --argc; ++argv;

  if (chdir(CHARSETS_SUBDIR) != 0) {
    fprintf(stderr, "%s: can't cd to %s\n", prog, CHARSETS_SUBDIR);
    exit(EXIT_FAILURE);
  }

  while (argc--)
    print_arrays_for(*argv++);

  exit(EXIT_SUCCESS);
}

void
print_array(FILE *f, const char *set, const char *name, int n)
{
  int i;
  char val[100];

  printf("uchar %s_%s[] = {\n", name, set);

  p = buf;
  *buf = '\0';
  for (i = 0; i < n; ++i)
  {
    /* get a word from f */
    endptr = p;
    for (;;)
    {
      while (isspace((* (unsigned char*) endptr)))
        ++endptr;
      if (*endptr && *endptr != '#')    /* not comment */
        break;
      if ((fgets(buf, sizeof(buf), f)) == NULL)
        return;         /* XXX: break silently */
      endptr = buf;
    }

    p = val;
    while (!isspace((* (unsigned char*) endptr)))
      *p++ = *endptr++;
    *p = '\0';
    p = endptr;

    /* write the value out */

    if (i == 0 || i % ROW_LEN == n % ROW_LEN)
      printf("  ");

    printf("%3d", (unsigned char) strtol(val, (char **) NULL, 16));

    if (i < n - 1)
      printf(",");

    if ((i+1) % ROW_LEN == n % ROW_LEN)
      printf("\n");
  }

  printf("};\n\n");
}

void
print_arrays_for(char *set)
{
  FILE *f;

  sprintf(buf, "%s.conf", set);

  if ((f = fopen(buf, "r")) == NULL) {
    fprintf(stderr, "%s: can't read conf file for charset %s\n", prog, set);
    exit(EXIT_FAILURE);
  }

  printf("\
/* The %s character set.  Generated automatically by configure and\n\
 * the %s program\n\
 */\n\n",
	 set, prog);

  /* it would be nice if this used the code in mysys/charset.c, but... */
  print_array(f, set, "ctype",      CTYPE_TABLE_SIZE);
  print_array(f, set, "to_lower",   TO_LOWER_TABLE_SIZE);
  print_array(f, set, "to_upper",   TO_UPPER_TABLE_SIZE);
  print_array(f, set, "sort_order", SORT_ORDER_TABLE_SIZE);
  printf("\n");

  fclose(f);

  return;
}