1/*
2 *
3 * Generate array-of-const-string from text file.
4 *
5 *  Copyright (C) 2006-2007  Peter Johnson
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28#include <stdio.h>
29#include <stdlib.h>
30#include <string.h>
31
32#define MAXLINE 1024
33
34int
35main(int argc, char *argv[])
36{
37    FILE *in, *out;
38    int i;
39    char *str;
40    char *strp;
41    size_t len;
42
43    if (argc < 4) {
44        fprintf(stderr, "Usage: %s <string> <outfile> <file> [<file> ...]\n",
45                argv[0]);
46        return EXIT_FAILURE;
47    }
48
49    out = fopen(argv[2], "wt");
50
51    if (!out) {
52        fprintf(stderr, "Could not open `%s'.\n", argv[2]);
53        return EXIT_FAILURE;
54    }
55
56    str = malloc(MAXLINE);
57
58    fprintf(out, "/* This file auto-generated from %s by genstring.c"
59                 " - don't edit it */\n\n"
60                 "static const char *%s[] = {\n", argv[3], argv[1]);
61
62    for (i=3; i<argc; i++) {
63        in = fopen(argv[i], "rt");
64        if (!in) {
65            fprintf(stderr, "Could not open `%s'.\n", argv[i]);
66            fclose(out);
67            remove(argv[2]);
68            return EXIT_FAILURE;
69        }
70
71        while (fgets(str, MAXLINE, in)) {
72            strp = str;
73
74            /* strip off trailing whitespace */
75            len = strlen(strp);
76            while (len > 0 && (strp[len-1] == ' ' || strp[len-1] == '\t' ||
77                               strp[len-1] == '\n')) {
78                strp[len-1] = '\0';
79                len--;
80            }
81
82            /* output as string to output file */
83            fprintf(out, "    \"");
84            while (*strp != '\0') {
85                if (*strp == '\\' || *strp == '"')
86                    fputc('\\', out);
87                fputc(*strp, out);
88                strp++;
89            }
90            fprintf(out, "\",\n");
91        }
92
93        fclose(in);
94    }
95
96    fprintf(out, "};\n");
97    fclose(out);
98
99    free(str);
100
101    return EXIT_SUCCESS;
102}
103