6 static int check_defines(const char **defs, int defcount, char *tdef)
10 while (isspace(*tdef)) tdef++;
12 for (i = 0; i < len; i++)
13 if (tdef[i] == ' ' || tdef[i] == '\r' || tdef[i] == '\n') break;
16 for (i = 0; i < defcount; i++)
18 if (strcmp(defs[i], tdef) == 0)
26 static void do_counters(char *str)
28 static int counter_id = -1, counter;
32 while ((s = strstr(s, "@@")))
34 if (s[2] < '0' || s[2] > '9') { s++; continue; }
36 if (counter_id != s[2] - '0') {
37 counter_id = s[2] - '0';
40 snprintf(buff, sizeof(buff), "%i%s", counter++, s + 3);
46 int main(int argc, char *argv[])
50 int skip_mode = 0, ifdef_level = 0, skip_level = 0, line = 0;
54 printf("usage:\n%s <file_in> <file_out> [defines...]\n", argv[0]);
58 fi = fopen(argv[1], "r");
61 printf("failed to open: %s\n", argv[1]);
65 fo = fopen(argv[2], "w");
68 printf("failed to open: %s\n", argv[2]);
72 for (++line; !feof(fi); line++)
76 fgs = fgets(buff, sizeof(buff), fi);
77 if (fgs == NULL) break;
82 if (strncmp(buff, "#ifdef ", 7) == 0)
85 if (!skip_mode && !check_defines((void *) &argv[3], argc-3, buff + 7))
86 skip_mode = 1, skip_level = ifdef_level;
88 else if (strncmp(buff, "#ifndef ", 8) == 0)
91 if (!skip_mode && check_defines((void *) &argv[3], argc-3, buff + 8))
92 skip_mode = 1, skip_level = ifdef_level;
94 else if (strncmp(buff, "#else", 5) == 0)
96 if (!skip_mode || skip_level == ifdef_level)
97 skip_mode ^= 1, skip_level = ifdef_level;
99 else if (strncmp(buff, "#endif", 6) == 0)
101 if (skip_level == ifdef_level)
104 if (ifdef_level == 0) skip_mode = 0;
107 printf("%i: warning: #endif without #ifdef, ignoring\n", line);
111 else if (strncmp(buff, "#include ", 9) == 0)
113 char *pe, *p = buff + 9;
115 if (skip_mode) continue;
116 while (*p && (*p == ' ' || *p == '\"')) p++;
117 for (pe = p + strlen(p) - 1; pe > p; pe--)
118 if (isspace(*pe) || *pe == '\"') *pe = 0;
120 ftmp = fopen(p, "r");
122 printf("%i: error: failed to include \"%s\"\n", line, p);
127 fgs = fgets(buff, sizeof(buff), ftmp);
128 if (fgs == NULL) break;