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-rw-r--r--shell/ash.c82
1 files changed, 50 insertions, 32 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 4adf92ac2..dcf92da82 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -39,13 +39,22 @@
#include <setjmp.h>
#include <fnmatch.h>
-#include <glob.h>
#include <sys/times.h>
#include <sys/utsname.h> /* for setting $HOSTNAME */
#include "busybox.h" /* for applet_names */
-#include "unicode.h"
+#if defined(__ANDROID_API__) && __ANDROID_API__ <= 24
+/* Bionic at least up to version 24 has no glob() */
+# undef ENABLE_ASH_INTERNAL_GLOB
+# define ENABLE_ASH_INTERNAL_GLOB 0
+#endif
+
+#if !ENABLE_ASH_INTERNAL_GLOB
+# include <glob.h>
+#endif
+
+#include "unicode.h"
#include "shell_common.h"
#if ENABLE_SH_MATH_SUPPORT
# include "math.h"
@@ -87,6 +96,42 @@
//config: shell (by Herbert Xu), which was created by porting the 'ash' shell
//config: (written by Kenneth Almquist) from NetBSD.
//config:
+//config:config ASH_OPTIMIZE_FOR_SIZE
+//config: bool "Optimize for size instead of speed"
+//config: default y
+//config: depends on ASH
+//config: help
+//config: Compile ash for reduced size at the price of speed.
+//config:
+//config:config ASH_INTERNAL_GLOB
+//config: bool "Use internal glob() implementation"
+//config: default n
+//config: depends on ASH
+//config: help
+//config: Do not use glob() function from libc, use internal implementation.
+//config: Use this if you are getting "glob.h: No such file or directory"
+//config: or similar build errors.
+//config:
+//config:config ASH_RANDOM_SUPPORT
+//config: bool "Pseudorandom generator and $RANDOM variable"
+//config: default y
+//config: depends on ASH
+//config: help
+//config: Enable pseudorandom generator and dynamic variable "$RANDOM".
+//config: Each read of "$RANDOM" will generate a new pseudorandom value.
+//config: You can reset the generator by using a specified start value.
+//config: After "unset RANDOM" the generator will switch off and this
+//config: variable will no longer have special treatment.
+//config:
+//config:config ASH_EXPAND_PRMT
+//config: bool "Expand prompt string"
+//config: default y
+//config: depends on ASH
+//config: help
+//config: "PS#" may contain volatile content, such as backquote commands.
+//config: This option recreates the prompt string from the environment
+//config: variable each time it is displayed.
+//config:
//config:config ASH_BASH_COMPAT
//config: bool "bash-compatible extensions"
//config: default y
@@ -166,33 +211,6 @@
//config: help
//config: Enable "check for new mail" function in the ash shell.
//config:
-//config:config ASH_OPTIMIZE_FOR_SIZE
-//config: bool "Optimize for size instead of speed"
-//config: default y
-//config: depends on ASH
-//config: help
-//config: Compile ash for reduced size at the price of speed.
-//config:
-//config:config ASH_RANDOM_SUPPORT
-//config: bool "Pseudorandom generator and $RANDOM variable"
-//config: default y
-//config: depends on ASH
-//config: help
-//config: Enable pseudorandom generator and dynamic variable "$RANDOM".
-//config: Each read of "$RANDOM" will generate a new pseudorandom value.
-//config: You can reset the generator by using a specified start value.
-//config: After "unset RANDOM" the generator will switch off and this
-//config: variable will no longer have special treatment.
-//config:
-//config:config ASH_EXPAND_PRMT
-//config: bool "Expand prompt string"
-//config: default y
-//config: depends on ASH
-//config: help
-//config: "PS#" may contain volatile content, such as backquote commands.
-//config: This option recreates the prompt string from the environment
-//config: variable each time it is displayed.
-//config:
//applet:IF_ASH(APPLET(ash, BB_DIR_BIN, BB_SUID_DROP))
//applet:IF_FEATURE_SH_IS_ASH(APPLET_ODDNAME(sh, ash, BB_DIR_BIN, BB_SUID_DROP, sh))
@@ -6994,7 +7012,7 @@ addfname(const char *name)
}
/* If we want to use glob() from libc... */
-#if 1
+#if !ENABLE_ASH_INTERNAL_GLOB
/* Add the result of glob() to the list */
static void
@@ -7055,7 +7073,7 @@ nometa:
}
#else
-/* Homegrown globbing code. (dash also has both, uses homegrown one.) */
+/* ENABLE_ASH_INTERNAL_GLOB: Homegrown globbing code. (dash also has both, uses homegrown one.) */
/*
* Do metacharacter (i.e. *, ?, [...]) expansion.
@@ -7286,7 +7304,7 @@ expandmeta(struct strlist *str /*, int flag*/)
str = str->next;
}
}
-#endif /* our globbing code */
+#endif /* ENABLE_ASH_INTERNAL_GLOB */
/*
* Perform variable substitution and command substitution on an argument,