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uname,individual: fix improper printf usage

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uname,awk: small code shrink

function                                             old     new   delta
uname_main                                           175     166      -9
nvalloc                                              167     157     -10
evaluate                                            6381    6370     -11
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-30)             Total: -30 bytes
This commit is contained in:
Denis Vlasenko
2008-07-02 11:14:59 +00:00
parent d4f72438e4
commit e0a7fc54eb
3 changed files with 24 additions and 29 deletions
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41
coreutils/uname.c
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@@ -17,7 +17,7 @@
-m, --machine sun
-a, --all SunOS rocky8 4.0 sun
The default behavior is equivalent to `-s'.
The default behavior is equivalent to '-s'.
David MacKenzie <djm@gnu.ai.mit.edu> */
@@ -39,47 +39,43 @@ typedef struct {
} uname_info_t;
static const char options[] ALIGN1 = "snrvmpa";
static const unsigned short utsname_offset[] ALIGN2 = {
offsetof(uname_info_t,name.sysname),
offsetof(uname_info_t,name.nodename),
offsetof(uname_info_t,name.release),
offsetof(uname_info_t,name.version),
offsetof(uname_info_t,name.machine),
offsetof(uname_info_t,processor)
static const unsigned short utsname_offset[] = {
offsetof(uname_info_t, name.sysname),
offsetof(uname_info_t, name.nodename),
offsetof(uname_info_t, name.release),
offsetof(uname_info_t, name.version),
offsetof(uname_info_t, name.machine),
offsetof(uname_info_t, processor)
};
int uname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int uname_main(int argc, char **argv)
int uname_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
uname_info_t uname_info;
#if defined(__sparc__) && defined(__linux__)
char *fake_sparc = getenv("FAKE_SPARC");
#endif
const unsigned short int *delta;
const unsigned short *delta;
char toprint;
toprint = getopt32(argv, options);
if (argc != optind) {
if (argv[optind]) { /* coreutils-6.9 compat */
bb_show_usage();
}
if (toprint & (1 << 6)) {
if (toprint & (1 << 6)) { /* -a => all opts on */
toprint = 0x3f;
}
if (toprint == 0) {
toprint = 1; /* sysname */
if (toprint == 0) { /* no opts => -s (sysname) */
toprint = 1;
}
if (uname(&uname_info.name) == -1) {
bb_error_msg_and_die("cannot get system name");
}
uname(&uname_info.name); /* never fails */
#if defined(__sparc__) && defined(__linux__)
if ((fake_sparc != NULL)
&& ((fake_sparc[0] == 'y')
|| (fake_sparc[0] == 'Y'))) {
if (fake_sparc && (fake_sparc[0] | 0x20) == 'y') {
strcpy(uname_info.name.machine, "sparc");
}
#endif
@@ -89,7 +85,8 @@ int uname_main(int argc, char **argv)
delta = utsname_offset;
do {
if (toprint & 1) {
printf("%s", ((char *)(&uname_info)) + *delta);
/* printf would not be safe here */
fputs((char *)(&uname_info) + *delta, stdout);
if (toprint > 1) {
bb_putchar(' ');
}
@@ -98,5 +95,5 @@ int uname_main(int argc, char **argv)
} while (toprint >>= 1);
bb_putchar('\n');
fflush_stdout_and_exit(EXIT_SUCCESS);
fflush_stdout_and_exit(EXIT_SUCCESS); /* coreutils-6.9 compat */
}