contrib/dialog/rc.c

62 /* Type of line in configuration file */
303  * Check if the line begins with a special keyword; if so, return true while
307 begins_with(char *line, const char *keyword, char **params)
309     int i = skip_whitespace(line, 0);
310     int j = skip_keyword(line, i);
313 	char save = line[j];
314 	line[j] = 0;
315 	if (!dlg_strcmp(keyword, line + i)) {
316 	    *params = line + skip_whitespace(line, j + 1);
319 	line[j] = save;
326  * Parse a line in the configuration file
328  * Each line is of the form:  "variable = value". On exit, 'var' will contain
333  * LINE_EMPTY   - line is blank or comment
334  * LINE_EQUALS  - line contains "variable = value"
335  * LINE_ERROR   - syntax error in line
338 parse_line(char *line, char **var, char **value)
342     /* ignore white space at beginning of line */
343     i = skip_whitespace(line, i);
345     if (line[i] == '\0')	/* line is blank */
347     else if (line[i] == '#')	/* line is comment */
349     else if (line[i] == '=')	/* variable names cannot start with a '=' */
353     *var = line + i++;		/* skip to next character */
356     while (!whitespace(line[i]) && line[i] != '=' && line[i] != '\0')
359     if (line[i] == '\0')	/* syntax error */
361     else if (line[i] == '=')
362 	line[i++] = '\0';
364 	line[i++] = '\0';
367 	i = skip_whitespace(line, i);
369 	if (line[i] != '=')	/* syntax error */
376     i = skip_whitespace(line, i);
378     if (line[i] == '\0')
381 	*value = line + i;	/* set 'value' to value string */
389     return LINE_EQUALS;		/* no syntax error in line */
528     /* Scan each line and set variables */
532 	    /* ignore rest of file if line too long */
533 	    fprintf(stderr, "\nParse error: line %d of configuration"
542 		fprintf(stderr, "\nParse error: line %d of configuration\n", l);
547 	parse = parse_line(str, &var, &value);	/* parse current line */
563 				"expected at line %d of configuration "
580 				"expected at line %d of configuration "
593 			    "value expected at line %d of configuration "
604 			"at line %d of configuration file:\n\t%s\n", l, var);
609 	    fprintf(stderr, "\nParse error: syntax error at line %d of "
614 	l++;			/* next line */