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add USE_PORTABLE_CODE option and use it in find applet

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-09-13 14:57:24 +02:00
parent 7649bd024c
commit aa7da73880
2 changed files with 12 additions and 0 deletions
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8
Config.in
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@ -30,6 +30,14 @@ config EXTRA_COMPAT
some GNU extensions in libc. You probably only need this option some GNU extensions in libc. You probably only need this option
if you plan to run busybox on desktop. if you plan to run busybox on desktop.
config USE_PORTABLE_CODE
bool "Avoid using GCC-specific code constructs"
default n
help
Use this option if you are trying to compile busybox with
compiler other than gcc.
If you do use gcc, this option may needlessly increase code size.
choice choice
prompt "Buffer allocation policy" prompt "Buffer allocation policy"
default FEATURE_BUFFERS_USE_MALLOC default FEATURE_BUFFERS_USE_MALLOC

4
findutils/find.c
View File

@ -276,7 +276,11 @@ ACTF(inum)
ACTF(exec) ACTF(exec)
{ {
int i, rc; int i, rc;
#if ENABLE_USE_PORTABLE_CODE
char **argv = alloca(sizeof(char*) * (ap->exec_argc + 1));
#else /* gcc 4.3.1 generates smaller code: */
char *argv[ap->exec_argc + 1]; char *argv[ap->exec_argc + 1];
#endif
for (i = 0; i < ap->exec_argc; i++) for (i = 0; i < ap->exec_argc; i++)
argv[i] = subst(ap->exec_argv[i], ap->subst_count[i], fileName); argv[i] = subst(ap->exec_argv[i], ap->subst_count[i], fileName);
argv[i] = NULL; /* terminate the list */ argv[i] = NULL; /* terminate the list */