/* configfile.c: parsing of config files * * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com> * * Licensed under GNU General Public License v2 *   (see COPYING for full license text) */ #include <git-compat-util.h>#include "configfile.h" static int next_char(FILE *f){	int c = fgetc(f);	if (c == '\r') {		c = fgetc(f);		if (c != '\n') {			ungetc(c, f);			c = '\r';		}	}	return c;} static void skip_line(FILE *f){	int c; 	while ((c = next_char(f)) && c != '\n' && c != EOF)		;} static int read_config_line(FILE *f, struct strbuf *name, struct strbuf *value){	int c = next_char(f); 	strbuf_reset(name);	strbuf_reset(value); 	/* Skip comments and preceding spaces. */	for(;;) {		if (c == EOF)			return 0;		else if (c == '#' || c == ';')			skip_line(f);		else if (!isspace(c))			break;		c = next_char(f);	} 	/* Read variable name. */	while (c != '=') {		if (c == '\n' || c == EOF)			return 0;		strbuf_addch(name, c);		c = next_char(f);	} 	/* Read variable value. */	c = next_char(f);	while (c != '\n' && c != EOF) {		strbuf_addch(value, c);		c = next_char(f);	} 	return 1;} int parse_configfile(const char *filename, configfile_value_fn fn){	static int nesting;	struct strbuf name = STRBUF_INIT;	struct strbuf value = STRBUF_INIT;	FILE *f; 	/* cancel deeply nested include-commands */	if (nesting > 8)		return -1;	if (!(f = fopen(filename, "r")))		return -1;	nesting++;	while (read_config_line(f, &name, &value))		fn(name.buf, value.buf);	nesting--;	fclose(f);	strbuf_release(&name);	strbuf_release(&value);	return 0;}