+static void set_token_end(char ** start, char ** limit_char)
+{
+ char * end_quote = ('\'' == (* start)[0]) ? strchr(* start + 1, '\''): NULL;
+ * start = (end_quote) ? * start + 1 : *start;
+ if (end_quote)
+ {
+ * end_quote = '\0';
+ * limit_char = end_quote;
+ return;
+ }
+ char * space = strchr(*start, ' ');
+ char * tab = strchr(*start, '\t');
+ space = (!space || (tab && tab < space)) ? tab : space;
+ if (space)
+ {
+ * space = '\0';
+ }
+ *limit_char = strchr(*start, '\0');
+}
+
+
+
+extern void parse_file(char * path, void (* token_to_entry) (char *, char *))
+{
+ char * f_name = "read_new_config_file()";
+ char * prefix = "Failed reading config file: \"";
+ char * affix = "\". ";
+ size_t size = strlen(prefix) + strlen(path) + strlen(affix) + 1;
+ err_line_intro = try_malloc(size, f_name);
+ int test = snprintf(err_line_intro, size, "%s%s%s", prefix, path, affix);
+ exit_trouble(test < 0, f_name, "snprintf()");
+ exit_err(access(path, F_OK), err_line_intro);
+ FILE * file = try_fopen(path, "r", f_name);
+ uint32_t linemax = textfile_width(file);
+ err_line_line = try_malloc(linemax + 1, f_name);
+ err_line_count = 0;
+ err_line(0 == linemax, "File is empty.");
+ char * token0 = NULL; /* For final token_to_entry() if while() stagnates. */
+ char * token1;
+ char * err_val = "No value given.";
+ while (try_fgets(err_line_line, linemax + 1, file, f_name))
+ {
+ err_line_count++;
+ err_line(UINT32_MAX == err_line_count, "Line reaches max lines limit.");
+ char * line_copy = strdup(err_line_line);
+ token0 = token_from_line(line_copy);
+ if (token0)
+ {
+ err_line(0 == (token1 = token_from_line(NULL)), err_val);
+ token_to_entry(token0, token1);
+ token0 = NULL;
+ }
+ free(line_copy);
+ }
+ token_to_entry(token0, token1);
+ try_fclose(file, f_name);
+ free(err_line_line);
+ free(err_line_intro);
+}
+
+
+
+extern void err_line(uint8_t test, char * msg)
+{
+ if (!test)
+ {
+ return;
+ }
+ char * f_name = "err_line()";
+ char * prefix = " Offending line ";
+ char * affix = ":\n";
+ size_t size = strlen(err_line_intro) + strlen(msg) + strlen(prefix)
+ + 10 /* strlen for uint32_t representations */
+ + strlen(affix) + strlen(err_line_line) + 1;
+ char * err = try_malloc(size, f_name);
+ int ret = snprintf(err, size, "%s%s%s%d%s%s", err_line_intro, msg, prefix,
+ err_line_count, affix, err_line_line);
+ exit_trouble(ret < 0, f_name, "snprintf()");
+ exit_err(1, err);
+}
+
+
+
+extern char * token_from_line(char * line)