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hush: use NOFORK applets as appropriate. Net reduction of code size.

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This commit is contained in:
Denis Vlasenko
2007-04-14 10:09:57 +00:00
parent 16abcd90ae
commit f5294e1f4c
7 changed files with 125 additions and 114 deletions
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64
include/libbb.h
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@@ -123,35 +123,6 @@
/* scary. better ideas? (but do *test* them first!) */
#define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
/* This structure defines protocol families and their handlers. */
struct aftype {
const char *name;
const char *title;
int af;
int alen;
char *(*print) (unsigned char *);
const char *(*sprint) (struct sockaddr *, int numeric);
int (*input) (/*int type,*/ const char *bufp, struct sockaddr *);
void (*herror) (char *text);
int (*rprint) (int options);
int (*rinput) (int typ, int ext, char **argv);
/* may modify src */
int (*getmask) (char *src, struct sockaddr * mask, char *name);
};
/* This structure defines hardware protocols and their handlers. */
struct hwtype {
const char *name;
const char *title;
int type;
int alen;
char *(*print) (unsigned char *);
int (*input) (const char *, struct sockaddr *);
int (*activate) (int fd);
int suppress_null_addr;
};
/* Some useful definitions */
#undef FALSE
#define FALSE ((int) 0)
@@ -504,6 +475,7 @@ void clear_username_cache(void);
enum { USERNAME_MAX_SIZE = 16 - sizeof(int) };
struct bb_applet;
int execable_file(const char *name);
char *find_execable(const char *filename);
int exists_execable(const char *filename);
@@ -537,6 +509,8 @@ int wait_nohang(int *wstat);
#define wait_exitcode(w) ((w) >> 8)
#define wait_stopsig(w) ((w) >> 8)
#define wait_stopped(w) (((w) & 127) == 127)
/* Does NOT check that applet is NOFORK, just blindly runs it */
int run_nofork_applet(const struct bb_applet *a, char **argv);
/* wait4pid(spawn(argv)) + NOFORK/NOEXEC (if configured) */
int spawn_and_wait(char **argv);
@@ -669,6 +643,33 @@ int bbunpack(char **argv,
int create_icmp_socket(void);
int create_icmp6_socket(void);
/* interface.c */
/* This structure defines protocol families and their handlers. */
struct aftype {
const char *name;
const char *title;
int af;
int alen;
char *(*print) (unsigned char *);
const char *(*sprint) (struct sockaddr *, int numeric);
int (*input) (/*int type,*/ const char *bufp, struct sockaddr *);
void (*herror) (char *text);
int (*rprint) (int options);
int (*rinput) (int typ, int ext, char **argv);
/* may modify src */
int (*getmask) (char *src, struct sockaddr * mask, char *name);
};
/* This structure defines hardware protocols and their handlers. */
struct hwtype {
const char *name;
const char *title;
int type;
int alen;
char *(*print) (unsigned char *);
int (*input) (const char *, struct sockaddr *);
int (*activate) (int fd);
int suppress_null_addr;
};
extern int interface_opt_a;
int display_interfaces(char *ifname);
const struct aftype *get_aftype(const char *name);
@@ -677,11 +678,10 @@ const struct hwtype *get_hwntype(int type);
#ifndef BUILD_INDIVIDUAL
struct bb_applet;
extern const struct bb_applet *find_applet_by_name(const char *name);
/* Returns only if applet is not found. */
extern void run_applet_and_exit(const char *name, int argc, char **argv);
extern void run_current_applet_and_exit(int argc, char **argv) ATTRIBUTE_NORETURN;
extern void run_applet_and_exit(const char *name, char **argv);
extern void run_current_applet_and_exit(char **argv) ATTRIBUTE_NORETURN;
#endif
extern int match_fstype(const struct mntent *mt, const char *fstypes);