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nshlib: one-time output uname

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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
This commit is contained in:
yinshengkai 2023-03-08 16:57:36 +08:00 committed by Alan Carvalho de Assis
parent 0af64dc045
commit fb0ab1b4c6
1 changed files with 8 additions and 3 deletions
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11
nshlib/nsh_syscmds.c
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@ -25,6 +25,7 @@
#include <nuttx/config.h> #include <nuttx/config.h>
#include <nuttx/rptun/rptun.h> #include <nuttx/rptun/rptun.h>
#include <nuttx/streams.h>
#include <sys/boardctl.h> #include <sys/boardctl.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <sys/utsname.h> #include <sys/utsname.h>
@ -488,6 +489,7 @@ int cmd_rptun(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
int cmd_uname(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv) int cmd_uname(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
{ {
FAR const char *str; FAR const char *str;
struct lib_memoutstream_s stream;
struct utsname info; struct utsname info;
unsigned int set; unsigned int set;
int option; int option;
@ -579,6 +581,8 @@ int cmd_uname(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
/* Process each option */ /* Process each option */
first = true; first = true;
lib_memoutstream(&stream, alloca(sizeof(struct utsname)),
sizeof(struct utsname));
for (i = 0; set != 0; i++) for (i = 0; set != 0; i++)
{ {
unsigned int mask = (1 << i); unsigned int mask = (1 << i);
@ -623,15 +627,16 @@ int cmd_uname(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
if (!first) if (!first)
{ {
nsh_output(vtbl, " "); lib_stream_putc(&stream, ' ');
} }
nsh_output(vtbl, "%s", str); lib_stream_puts(&stream, str, strlen(str));
first = false; first = false;
} }
} }
nsh_output(vtbl, "\n"); lib_stream_putc(&stream, '\n');
nsh_write(vtbl, stream.buffer, stream.public.nput);
return OK; return OK;
} }
#endif #endif