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1 | #include <stdio.h> |
2 | #include <string.h> |
3 | |
4 | |
5 | static int check_defines(const char **defs, int defcount, char *tdef) |
6 | { |
7 | int i, len; |
8 | |
9 | len = strlen(tdef); |
10 | for (i = 0; i < len; i++) |
11 | if (tdef[i] == ' ' || tdef[i] == '\r' || tdef[i] == '\n') break; |
12 | tdef[i] = 0; |
13 | |
14 | for (i = 0; i < defcount; i++) |
15 | { |
16 | if (strcmp(defs[i], tdef) == 0) |
17 | return 1; |
18 | } |
19 | |
20 | return 0; |
21 | } |
22 | |
23 | |
24 | static void do_counters(char *str) |
25 | { |
26 | static int counters[4] = { 1, 1, 1, 1 }; |
27 | char buff[1024]; |
28 | int counter; |
29 | char *s = str; |
30 | |
31 | while ((s = strstr(s, "@@"))) |
32 | { |
33 | if (s[2] < '0' || s[2] > '3') { s++; continue; } |
34 | |
35 | counter = s[2] - '0'; |
36 | snprintf(buff, sizeof(buff), "%i%s", counters[counter]++, s + 3); |
37 | strcpy(s, buff); |
38 | } |
39 | } |
40 | |
41 | |
42 | int main(int argc, char *argv[]) |
43 | { |
44 | char buff[1024]; |
45 | FILE *fi, *fo; |
46 | int skip_mode = 0, ifdef_level = 0, line = 0; |
47 | |
48 | if (argc < 3) |
49 | { |
50 | printf("usage:\n%s <file_in> <file_out> [defines...]\n", argv[0]); |
51 | return 1; |
52 | } |
53 | |
54 | fi = fopen(argv[1], "r"); |
55 | if (fi == NULL) |
56 | { |
57 | printf("failed to open: %s\n", argv[1]); |
58 | return 2; |
59 | } |
60 | |
61 | fo = fopen(argv[2], "w"); |
62 | if (fo == NULL) |
63 | { |
64 | printf("failed to open: %s\n", argv[2]); |
65 | return 3; |
66 | } |
67 | |
68 | for (++line; !feof(fi); line++) |
69 | { |
70 | char *fgs; |
71 | |
72 | fgs = fgets(buff, sizeof(buff), fi); |
73 | if (fgs == NULL) break; |
74 | |
75 | if (buff[0] == '#') |
76 | { |
77 | /* control char */ |
78 | if (strncmp(buff, "#ifdef ", 7) == 0) |
79 | { |
80 | if (!check_defines((void *) &argv[3], argc-3, buff + 7)) skip_mode = 1; |
81 | ifdef_level++; |
82 | } |
83 | else if (strncmp(buff, "#ifndef ", 8) == 0) |
84 | { |
85 | if ( check_defines((void *) &argv[3], argc-3, buff + 7)) skip_mode = 1; |
86 | ifdef_level++; |
87 | } |
81fda4e8 |
88 | else if (strncmp(buff, "#else", 5) == 0) |
89 | { |
90 | skip_mode ^= 1; |
91 | } |
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92 | else if (strncmp(buff, "#endif", 6) == 0) |
93 | { |
94 | ifdef_level--; |
95 | if (ifdef_level == 0) skip_mode = 0; |
96 | if (ifdef_level < 0) |
97 | { |
98 | printf("%i: warning: #endif without #ifdef, ignoring\n", line); |
99 | ifdef_level = 0; |
100 | } |
101 | } |
102 | |
103 | /* skip line */ |
104 | continue; |
105 | } |
106 | if (!skip_mode) |
107 | { |
108 | do_counters(buff); |
109 | fputs(buff, fo); |
110 | } |
111 | } |
112 | |
113 | fclose(fi); |
114 | fclose(fo); |
115 | |
116 | return 0; |
117 | } |
118 | |