return 0;
}
+/* folds a string over top of itself, like so:
+ *
+ * if start is "blah", and you call it with count = 1, the result will be "lah"
+ */
static void strfold(char *start, int count)
{
char *curplace;
/*
* - assumes that *string is '#'
* - removes the part from '#' to the end of line ('\n' or '\0')
- * - BUT, it leaves the '\n'
+ * - it removes the '\n'
+ * - copies the last char into 'char *last' argument, which should be a pointer
+ * to a char rather than a string.
*/
-static size_t remove_comment(char *string)
+static size_t remove_comment(char *string, char *last)
{
char *end = string;
- while(*end != '\0' && *end != '\n')
+ while (*end != '\0' && *end != '\n') {
++end;
+ }
+ if (last) *last = *end;
+ if (*end == '\n') end++;
strfold(string, end - string);
return end - string;
}
strfold(curplace, 1);
folded += 1;
} else if (*curplace == '#') {
- folded += remove_comment(curplace);
+ folded += remove_comment(curplace, 0);
}
}
return folded;
} else if (*p == '\\' && *(p+1) == '#') {
strfold(p, 1);
} else if (*p == '#') {
- remove_comment(p);
+ char c;
+ if (remove_comment(p, &c) && p > orig_p && c == '\n') {
+ /* if remove_comment removed a newline, we need to 'back up' with p */
+ p--;
+ }
}
p++;
}