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authorDenys Vlasenko <vda.linux@googlemail.com>2014-05-02 17:15:58 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2014-05-02 17:15:58 +0200
commite765b5ac349a8f9305e52b3ab2c3ac78c17bf283 (patch)
tree2dec8a3b34450b7088ae7c3a4b374e953c0a4a73 /libbb/execable.c
parent15a357e5962634c94ee322fee4da897312090a89 (diff)
libbb: rename execable -> executable. No code changes
English speakers complained that it sounded awfully broken. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/execable.c')
-rw-r--r--libbb/execable.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/libbb/execable.c b/libbb/execable.c
deleted file mode 100644
index a3caea6f9..000000000
--- a/libbb/execable.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * Utility routines.
- *
- * Copyright (C) 2006 Gabriel Somlo <somlo at cmu.edu>
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- */
-
-#include "libbb.h"
-
-/* check if path points to an executable file;
- * return 1 if found;
- * return 0 otherwise;
- */
-int FAST_FUNC execable_file(const char *name)
-{
- struct stat s;
- return (!access(name, X_OK) && !stat(name, &s) && S_ISREG(s.st_mode));
-}
-
-/* search (*PATHp) for an executable file;
- * return allocated string containing full path if found;
- * PATHp points to the component after the one where it was found
- * (or NULL),
- * you may call find_execable again with this PATHp to continue
- * (if it's not NULL).
- * return NULL otherwise; (PATHp is undefined)
- * in all cases (*PATHp) contents will be trashed (s/:/NUL/).
- */
-char* FAST_FUNC find_execable(const char *filename, char **PATHp)
-{
- /* About empty components in $PATH:
- * http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html
- * 8.3 Other Environment Variables - PATH
- * A zero-length prefix is a legacy feature that indicates the current
- * working directory. It appears as two adjacent colons ( "::" ), as an
- * initial colon preceding the rest of the list, or as a trailing colon
- * following the rest of the list.
- */
- char *p, *n;
-
- p = *PATHp;
- while (p) {
- n = strchr(p, ':');
- if (n)
- *n++ = '\0';
- p = concat_path_file(
- p[0] ? p : ".", /* handle "::" case */
- filename
- );
- if (execable_file(p)) {
- *PATHp = n;
- return p;
- }
- free(p);
- p = n;
- } /* on loop exit p == NULL */
- return p;
-}
-
-/* search $PATH for an executable file;
- * return 1 if found;
- * return 0 otherwise;
- */
-int FAST_FUNC exists_execable(const char *filename)
-{
- char *path = xstrdup(getenv("PATH"));
- char *tmp = path;
- char *ret = find_execable(filename, &tmp);
- free(path);
- free(ret);
- return ret != NULL;
-}
-
-#if ENABLE_FEATURE_PREFER_APPLETS
-/* just like the real execvp, but try to launch an applet named 'file' first */
-int FAST_FUNC BB_EXECVP(const char *file, char *const argv[])
-{
- if (find_applet_by_name(file) >= 0)
- execvp(bb_busybox_exec_path, argv);
- return execvp(file, argv);
-}
-#endif
-
-int FAST_FUNC BB_EXECVP_or_die(char **argv)
-{
- BB_EXECVP(argv[0], argv);
- /* SUSv3-mandated exit codes */
- xfunc_error_retval = (errno == ENOENT) ? 127 : 126;
- bb_perror_msg_and_die("can't execute '%s'", argv[0]);
-}