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 counters[4] = { 1, 1, 1, 1 };
33 while ((s = strstr(s, "@@")))
35 if (s[2] < '0' || s[2] > '3') { s++; continue; }
38 snprintf(buff, sizeof(buff), "%i%s", counters[counter]++, s + 3);
44 int main(int argc, char *argv[])
48 int skip_mode = 0, ifdef_level = 0, skip_level = 0, line = 0;
52 printf("usage:\n%s <file_in> <file_out> [defines...]\n", argv[0]);
56 fi = fopen(argv[1], "r");
59 printf("failed to open: %s\n", argv[1]);
63 fo = fopen(argv[2], "w");
66 printf("failed to open: %s\n", argv[2]);
70 for (++line; !feof(fi); line++)
74 fgs = fgets(buff, sizeof(buff), fi);
75 if (fgs == NULL) break;
80 if (strncmp(buff, "#ifdef ", 7) == 0)
83 if (!skip_mode && !check_defines((void *) &argv[3], argc-3, buff + 7))
84 skip_mode = 1, skip_level = ifdef_level;
86 else if (strncmp(buff, "#ifndef ", 8) == 0)
89 if (!skip_mode && check_defines((void *) &argv[3], argc-3, buff + 8))
90 skip_mode = 1, skip_level = ifdef_level;
92 else if (strncmp(buff, "#else", 5) == 0)
94 if (!skip_mode || skip_level == ifdef_level)
95 skip_mode ^= 1, skip_level = ifdef_level;
97 else if (strncmp(buff, "#endif", 6) == 0)
99 if (skip_level == ifdef_level)
102 if (ifdef_level == 0) skip_mode = 0;
105 printf("%i: warning: #endif without #ifdef, ignoring\n", line);
109 else if (strncmp(buff, "#include ", 9) == 0)
111 char *pe, *p = buff + 9;
113 if (skip_mode) continue;
114 while (*p && (*p == ' ' || *p == '\"')) p++;
115 for (pe = p + strlen(p) - 1; pe > p; pe--)
116 if (isspace(*pe) || *pe == '\"') *pe = 0;
118 ftmp = fopen(p, "r");
120 printf("%i: error: failed to include \"%s\"\n", line, p);
125 fgs = fgets(buff, sizeof(buff), ftmp);
126 if (fgs == NULL) break;