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authorMatt Kraai2001-02-01 19:21:20 +0000
committerMatt Kraai2001-02-01 19:21:20 +0000
commitf2cc2762bb273fbabe8c2eadeb3b8669550582f0 (patch)
treee1bc52067709069328f058b80b9a1273c7c240d2
parent05e782ddd3dc58245c889529bb8aeeaddf24bf71 (diff)
downloadbusybox-f2cc2762bb273fbabe8c2eadeb3b8669550582f0.zip
busybox-f2cc2762bb273fbabe8c2eadeb3b8669550582f0.tar.gz
Create find_applet_by_name function. Save 32 bytes.
-rw-r--r--applets/busybox.c11
-rw-r--r--busybox.c11
-rw-r--r--busybox.h2
-rw-r--r--include/busybox.h2
-rw-r--r--lash.c12
-rw-r--r--sh.c12
-rw-r--r--shell/lash.c12
-rw-r--r--utility.c16
8 files changed, 37 insertions, 41 deletions
diff --git a/applets/busybox.c b/applets/busybox.c
index f10467a..1409efa 100644
--- a/applets/busybox.c
+++ b/applets/busybox.c
@@ -87,8 +87,8 @@ static void install_links(const char *busybox, int use_symbolic_links)
int main(int argc, char **argv)
{
- struct BB_applet search_applet, *applet;
- const char *s;
+ struct BB_applet *applet;
+ const char *s;
for (s = applet_name = argv[0]; *s != '\0';) {
if (*s++ == '/')
@@ -104,12 +104,9 @@ int main(int argc, char **argv)
#endif
/* Do a binary search to find the applet entry given the name. */
- search_applet.name = applet_name;
- applet = bsearch(&search_applet, applets, NUM_APPLETS,
- sizeof(struct BB_applet), applet_name_compare);
- if (applet != NULL) {
+ if ((applet = find_applet_by_name(applet_name)) != NULL) {
if (applet->usage && argv[1] && strcmp(argv[1], "--help") == 0)
- usage(applet->usage);
+ usage(applet->usage);
exit((*(applet->main)) (argc, argv));
}
diff --git a/busybox.c b/busybox.c
index f10467a..1409efa 100644
--- a/busybox.c
+++ b/busybox.c
@@ -87,8 +87,8 @@ static void install_links(const char *busybox, int use_symbolic_links)
int main(int argc, char **argv)
{
- struct BB_applet search_applet, *applet;
- const char *s;
+ struct BB_applet *applet;
+ const char *s;
for (s = applet_name = argv[0]; *s != '\0';) {
if (*s++ == '/')
@@ -104,12 +104,9 @@ int main(int argc, char **argv)
#endif
/* Do a binary search to find the applet entry given the name. */
- search_applet.name = applet_name;
- applet = bsearch(&search_applet, applets, NUM_APPLETS,
- sizeof(struct BB_applet), applet_name_compare);
- if (applet != NULL) {
+ if ((applet = find_applet_by_name(applet_name)) != NULL) {
if (applet->usage && argv[1] && strcmp(argv[1], "--help") == 0)
- usage(applet->usage);
+ usage(applet->usage);
exit((*(applet->main)) (argc, argv));
}
diff --git a/busybox.h b/busybox.h
index e332ed4..fc5e8d8 100644
--- a/busybox.h
+++ b/busybox.h
@@ -88,7 +88,6 @@ extern const struct BB_applet applets[];
#undef PROTOTYPES
extern const char *applet_name;
-extern int applet_name_compare(const void *x, const void *y);
extern void usage(const char *usage) __attribute__ ((noreturn));
extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
@@ -153,6 +152,7 @@ extern char *get_last_path_component(char *path);
extern FILE *wfopen(const char *path, const char *mode);
extern FILE *xfopen(const char *path, const char *mode);
extern void chomp(char *s);
+extern struct BB_applet *find_applet_by_name(const char *name);
#ifndef DMALLOC
extern void *xmalloc (size_t size);
diff --git a/include/busybox.h b/include/busybox.h
index e332ed4..fc5e8d8 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -88,7 +88,6 @@ extern const struct BB_applet applets[];
#undef PROTOTYPES
extern const char *applet_name;
-extern int applet_name_compare(const void *x, const void *y);
extern void usage(const char *usage) __attribute__ ((noreturn));
extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
@@ -153,6 +152,7 @@ extern char *get_last_path_component(char *path);
extern FILE *wfopen(const char *path, const char *mode);
extern FILE *xfopen(const char *path, const char *mode);
extern void chomp(char *s);
+extern struct BB_applet *find_applet_by_name(const char *name);
#ifndef DMALLOC
extern void *xmalloc (size_t size);
diff --git a/lash.c b/lash.c
index cc0d786..87c37ca 100644
--- a/lash.c
+++ b/lash.c
@@ -67,7 +67,6 @@
static const int MAX_LINE = 256; /* size of input buffer for cwd data */
static const int MAX_READ = 128; /* size of input buffer for `read' builtin */
#define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n"
-extern size_t NUM_APPLETS;
enum redir_type { REDIRECT_INPUT, REDIRECT_OVERWRITE,
@@ -1371,7 +1370,8 @@ static int pseudo_exec(struct child_prog *child)
{
struct built_in_command *x;
#ifdef BB_FEATURE_SH_STANDALONE_SHELL
- struct BB_applet search_applet, *applet;
+ struct BB_applet *applet;
+ const char *name;
#endif
/* Check if the command matches any of the non-forking builtins.
@@ -1404,7 +1404,7 @@ static int pseudo_exec(struct child_prog *child)
* /bin/foo invocation will fork and exec /bin/foo, even if
* /bin/foo is a symlink to busybox.
*/
- search_applet.name = child->argv[0];
+ name = child->argv[0];
#ifdef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
/* If you enable BB_FEATURE_SH_APPLETS_ALWAYS_WIN, then
@@ -1412,13 +1412,11 @@ static int pseudo_exec(struct child_prog *child)
* /bin/cat exists on the filesystem and is _not_ busybox.
* Some systems want this, others do not. Choose wisely. :-)
*/
- search_applet.name = get_last_path_component(search_applet.name);
+ name = get_last_path_component(name);
#endif
/* Do a binary search to find the applet entry given the name. */
- applet = bsearch(&search_applet, applets, NUM_APPLETS,
- sizeof(struct BB_applet), applet_name_compare);
- if (applet != NULL) {
+ if ((applet = find_applet_by_name(name)) != NULL) {
int argc_l;
char** argv=child->argv;
for(argc_l=0;*argv!=NULL; argv++, argc_l++);
diff --git a/sh.c b/sh.c
index cc0d786..87c37ca 100644
--- a/sh.c
+++ b/sh.c
@@ -67,7 +67,6 @@
static const int MAX_LINE = 256; /* size of input buffer for cwd data */
static const int MAX_READ = 128; /* size of input buffer for `read' builtin */
#define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n"
-extern size_t NUM_APPLETS;
enum redir_type { REDIRECT_INPUT, REDIRECT_OVERWRITE,
@@ -1371,7 +1370,8 @@ static int pseudo_exec(struct child_prog *child)
{
struct built_in_command *x;
#ifdef BB_FEATURE_SH_STANDALONE_SHELL
- struct BB_applet search_applet, *applet;
+ struct BB_applet *applet;
+ const char *name;
#endif
/* Check if the command matches any of the non-forking builtins.
@@ -1404,7 +1404,7 @@ static int pseudo_exec(struct child_prog *child)
* /bin/foo invocation will fork and exec /bin/foo, even if
* /bin/foo is a symlink to busybox.
*/
- search_applet.name = child->argv[0];
+ name = child->argv[0];
#ifdef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
/* If you enable BB_FEATURE_SH_APPLETS_ALWAYS_WIN, then
@@ -1412,13 +1412,11 @@ static int pseudo_exec(struct child_prog *child)
* /bin/cat exists on the filesystem and is _not_ busybox.
* Some systems want this, others do not. Choose wisely. :-)
*/
- search_applet.name = get_last_path_component(search_applet.name);
+ name = get_last_path_component(name);
#endif
/* Do a binary search to find the applet entry given the name. */
- applet = bsearch(&search_applet, applets, NUM_APPLETS,
- sizeof(struct BB_applet), applet_name_compare);
- if (applet != NULL) {
+ if ((applet = find_applet_by_name(name)) != NULL) {
int argc_l;
char** argv=child->argv;
for(argc_l=0;*argv!=NULL; argv++, argc_l++);
diff --git a/shell/lash.c b/shell/lash.c
index cc0d786..87c37ca 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -67,7 +67,6 @@
static const int MAX_LINE = 256; /* size of input buffer for cwd data */
static const int MAX_READ = 128; /* size of input buffer for `read' builtin */
#define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n"
-extern size_t NUM_APPLETS;
enum redir_type { REDIRECT_INPUT, REDIRECT_OVERWRITE,
@@ -1371,7 +1370,8 @@ static int pseudo_exec(struct child_prog *child)
{
struct built_in_command *x;
#ifdef BB_FEATURE_SH_STANDALONE_SHELL
- struct BB_applet search_applet, *applet;
+ struct BB_applet *applet;
+ const char *name;
#endif
/* Check if the command matches any of the non-forking builtins.
@@ -1404,7 +1404,7 @@ static int pseudo_exec(struct child_prog *child)
* /bin/foo invocation will fork and exec /bin/foo, even if
* /bin/foo is a symlink to busybox.
*/
- search_applet.name = child->argv[0];
+ name = child->argv[0];
#ifdef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
/* If you enable BB_FEATURE_SH_APPLETS_ALWAYS_WIN, then
@@ -1412,13 +1412,11 @@ static int pseudo_exec(struct child_prog *child)
* /bin/cat exists on the filesystem and is _not_ busybox.
* Some systems want this, others do not. Choose wisely. :-)
*/
- search_applet.name = get_last_path_component(search_applet.name);
+ name = get_last_path_component(name);
#endif
/* Do a binary search to find the applet entry given the name. */
- applet = bsearch(&search_applet, applets, NUM_APPLETS,
- sizeof(struct BB_applet), applet_name_compare);
- if (applet != NULL) {
+ if ((applet = find_applet_by_name(name)) != NULL) {
int argc_l;
char** argv=child->argv;
for(argc_l=0;*argv!=NULL; argv++, argc_l++);
diff --git a/utility.c b/utility.c
index 0a0e652..69403c8 100644
--- a/utility.c
+++ b/utility.c
@@ -1691,12 +1691,20 @@ FILE *xfopen(const char *path, const char *mode)
}
#endif
-int applet_name_compare(const void *x, const void *y)
+static int applet_name_compare(const void *x, const void *y)
{
- const struct BB_applet *applet1 = x;
- const struct BB_applet *applet2 = y;
+ const char *name = x;
+ const struct BB_applet *applet = y;
- return strcmp(applet1->name, applet2->name);
+ return strcmp(name, applet->name);
+}
+
+extern size_t NUM_APPLETS;
+
+struct BB_applet *find_applet_by_name(const char *name)
+{
+ return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
+ applet_name_compare);
}
#if defined BB_DD || defined BB_TAIL