void parse_config_file(char *map, size_t len)
{
/* modified for bbox */
- char *end = map + len;
+ char *end_4 = map + len - 4; /* 4 == length of "USE_" */
+ char *end_7 = map + len - 7;
char *p = map;
char *q;
int off;
- for (; p < end; p++) {
- if (!memcmp(p, "CONFIG_", 7)) goto conf7;
- if (!memcmp(p, "ENABLE_", 7)) goto conf7;
- if (!memcmp(p, "USE_", 4)) goto conf4;
- if (!memcmp(p, "SKIP_", 5)) goto conf5;
+ for (; p < end_4; p++) {
+ if (p < end_7 && p[6] == '_') {
+ if (!memcmp(p, "CONFIG", 6)) goto conf7;
+ if (!memcmp(p, "ENABLE", 6)) goto conf7;
+ }
+ /* We have at least 5 chars: for() has
+ * "p < end-4", not "p <= end-4"
+ * therefore we don't need to check p <= end-5 here */
+ if (p[4] == '_')
+ if (!memcmp(p, "SKIP", 4)) goto conf5;
+ /* Ehhh, gcc is too stupid to just compare it as 32bit int */
+ if (p[0] == 'U')
+ if (!memcmp(p, "USE_", 4)) goto conf4;
continue;
- conf4: off = 4; goto conf;
- conf5: off = 5; goto conf;
+
+ conf4: off = 4;
+ conf5: off = 5;
conf7: off = 7;
- conf:
- if (p > map + len - off)
- continue;
- for (q = p + off; q < map + len; q++) {
+ p += off;
+ for (q = p; q < end_4+4; q++) {
if (!(isalnum(*q) || *q == '_'))
- goto found;
+ break;
}
- continue;
-
- found:
- use_config(p+off, q-p-off);
+ use_config(p, q-p);
}
}
char *p;
char s[PATH_MAX];
- p = strchr(m, ':');
+ p = memchr(m, ':', len);
if (!p) {
fprintf(stderr, "fixdep: parse error\n");
exit(1);
*/
}
-int main(int argc, char *argv[])
+int main(int argc, char **argv)
{
traps();