X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Fdaemon.h;h=cbcab639621700413278c2b7eae495023ff69d04;hp=553973d9d19fe603d4606859e0734ce81adee16c;hb=a4d2e6df0bbbd7dc9e5bf400e4e35efec0a18ff0;hpb=99e28249d52ca5495b636e14ae3e4387ee62c8fe diff --git a/daemon/daemon.h b/daemon/daemon.h index 553973d..cbcab63 100644 --- a/daemon/daemon.h +++ b/daemon/daemon.h @@ -29,6 +29,13 @@ #include "../src/guestfs_protocol.h" /*-- in guestfsd.c --*/ +extern int verbose; + +extern const char *sysroot; +extern int sysroot_len; + +extern char *sysroot_path (const char *path); + extern int xwrite (int sock, const void *buf, size_t len); extern int xread (int sock, void *buf, size_t len); @@ -41,19 +48,34 @@ extern void free_stringslen (char **argv, int len); extern int command (char **stdoutput, char **stderror, const char *name, ...); extern int commandr (char **stdoutput, char **stderror, const char *name, ...); extern int commandv (char **stdoutput, char **stderror, - char * const* const argv); + char * const* const argv); extern int commandrv (char **stdoutput, char **stderror, - char * const* const argv); + char * const* const argv); extern char **split_lines (char *str); -extern int shell_quote (char *out, int len, const char *in); - extern int device_name_translation (char *device, const char *func); extern void udev_settle (void); -extern int verbose; +/* This just stops gcc from giving a warning about our custom + * printf formatters %Q and %R. See HACKING file for more + * info about these. + */ +static inline int +asprintf_nowarn (char **strp, const char *fmt, ...) +{ + int r; + va_list args; + + va_start (args, fmt); + r = vasprintf (strp, fmt, args); + va_end (args); + return r; +} + +/*-- in names.c (auto-generated) --*/ +extern const char *function_names[]; /*-- in proto.c --*/ extern int proc_nr; @@ -64,9 +86,9 @@ extern int root_mounted; /*-- in stubs.c (auto-generated) --*/ extern void dispatch_incoming_message (XDR *); -extern guestfs_lvm_int_pv_list *parse_command_line_pvs (void); -extern guestfs_lvm_int_vg_list *parse_command_line_vgs (void); -extern guestfs_lvm_int_lv_list *parse_command_line_lvs (void); +extern guestfs_int_lvm_pv_list *parse_command_line_pvs (void); +extern guestfs_int_lvm_vg_list *parse_command_line_vgs (void); +extern guestfs_int_lvm_lv_list *parse_command_line_lvs (void); /*-- in proto.c --*/ extern void main_loop (int sock); @@ -102,11 +124,11 @@ extern void reply (xdrproc_t xdrp, char *ret); /* Helper for functions that need a root filesystem mounted. * NB. Cannot be used for FileIn functions. */ -#define NEED_ROOT(errcode) \ +#define NEED_ROOT(fail_stmt) \ do { \ if (!root_mounted) { \ reply_with_error ("%s: you must call 'mount' first to mount the root filesystem", __func__); \ - return (errcode); \ + fail_stmt; \ } \ } \ while (0) @@ -114,11 +136,11 @@ extern void reply (xdrproc_t xdrp, char *ret); /* Helper for functions that need an argument ("path") that is absolute. * NB. Cannot be used for FileIn functions. */ -#define ABS_PATH(path,errcode) \ +#define ABS_PATH(path,fail_stmt) \ do { \ if ((path)[0] != '/') { \ reply_with_error ("%s: path must start with a / character", __func__); \ - return (errcode); \ + fail_stmt; \ } \ } while (0) @@ -129,14 +151,14 @@ extern void reply (xdrproc_t xdrp, char *ret); * * NB. Cannot be used for FileIn functions. */ -#define IS_DEVICE(path,errcode) \ +#define RESOLVE_DEVICE(path,fail_stmt) \ do { \ if (strncmp ((path), "/dev/", 5) != 0) { \ reply_with_error ("%s: %s: expecting a device name", __func__, (path)); \ - return (errcode); \ + fail_stmt; \ } \ if (device_name_translation ((path), __func__) == -1) \ - return (errcode); \ + fail_stmt; \ } while (0) /* Helper for functions which need either an absolute path in the @@ -149,13 +171,13 @@ extern void reply (xdrproc_t xdrp, char *ret); * because we intend in future to make device parameters a distinct * type from filenames. */ -#define NEED_ROOT_OR_IS_DEVICE(path,errcode) \ +#define REQUIRE_ROOT_OR_RESOLVE_DEVICE(path,fail_stmt) \ do { \ if (strncmp ((path), "/dev/", 5) == 0) \ - IS_DEVICE ((path),(errcode)); \ + RESOLVE_DEVICE ((path), fail_stmt); \ else { \ - NEED_ROOT ((errcode)); \ - ABS_PATH ((path),(errcode)); \ + NEED_ROOT (fail_stmt); \ + ABS_PATH ((path),fail_stmt); \ } \ } while (0) @@ -169,7 +191,7 @@ extern void reply (xdrproc_t xdrp, char *ret); #define CHROOT_IN \ do { \ int __old_errno = errno; \ - if (chroot ("/sysroot") == -1) \ + if (chroot (sysroot) == -1) \ perror ("CHROOT_IN: sysroot"); \ errno = __old_errno; \ } while (0) @@ -191,4 +213,14 @@ extern void reply (xdrproc_t xdrp, char *ret); } \ while (0) +#ifndef __attribute__ +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) +# define __attribute__(x) /* empty */ +# endif +#endif + +#ifndef ATTRIBUTE_UNUSED +# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +#endif + #endif /* GUESTFSD_DAEMON_H */