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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2019-08-03 18:08:27 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2019-08-03 18:08:27 +0200
commitb81f80565854d59c0209a6dbaa2022caa6f0d468 (patch)
tree43655744e152896903e0a8e8e881830e4f7c14c8
parent2f9c124f7daf4645ca62f6a25ca9be40fcc5275d (diff)
downloadbusybox-b81f80565854d59c0209a6dbaa2022caa6f0d468.tar.gz
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stat: print nanosecond times, fix printing of empty lines
function old new delta human_time 36 73 +37 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--coreutils/stat.c75
1 files changed, 36 insertions, 39 deletions
diff --git a/coreutils/stat.c b/coreutils/stat.c
index b6ab5205b..fa9ac7b10 100644
--- a/coreutils/stat.c
+++ b/coreutils/stat.c
@@ -150,20 +150,16 @@ static const char *file_type(const struct stat *st)
return "weird file";
}
-static const char *human_time(time_t t)
+static const char *human_time(struct timespec *ts)
{
- /* Old
- static char *str;
- str = ctime(&t);
- str[strlen(str)-1] = '\0';
- return str;
- */
- /* coreutils 6.3 compat: */
-
- /*static char buf[sizeof("YYYY-MM-DD HH:MM:SS.000000000")] ALIGN1;*/
+ char fmt[sizeof("%Y-%m-%d %H:%M:%S.123456789 %z") + /*paranoia*/ 8];
+
+ /* coreutils 6.3 compat */
#define buf bb_common_bufsiz1
setup_common_bufsiz();
- strcpy(strftime_YYYYMMDDHHMMSS(buf, COMMON_BUFSIZE, &t), ".000000000");
+
+ sprintf(stpcpy(fmt, "%Y-%m-%d %H:%M:%S"), ".%09u %%z", (unsigned)ts->tv_nsec);
+ strftime(buf, COMMON_BUFSIZE, fmt, localtime(&ts->tv_sec));
return buf;
#undef buf
}
@@ -384,19 +380,19 @@ static void FAST_FUNC print_stat(char *pformat, const char m,
strcat(pformat, "lu");
printf(pformat, (unsigned long) statbuf->st_blksize);
} else if (m == 'x') {
- printfs(pformat, human_time(statbuf->st_atime));
+ printfs(pformat, human_time(&statbuf->st_atim));
} else if (m == 'X') {
strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
/* note: (unsigned long) would be wrong:
* imagine (unsigned long64)int32 */
printf(pformat, (long) statbuf->st_atime);
} else if (m == 'y') {
- printfs(pformat, human_time(statbuf->st_mtime));
+ printfs(pformat, human_time(&statbuf->st_mtim));
} else if (m == 'Y') {
strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
printf(pformat, (long) statbuf->st_mtime);
} else if (m == 'z') {
- printfs(pformat, human_time(statbuf->st_ctime));
+ printfs(pformat, human_time(&statbuf->st_ctim));
} else if (m == 'Z') {
strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
printf(pformat, (long) statbuf->st_ctime);
@@ -501,7 +497,7 @@ static bool do_statfs(const char *filename, const char *format)
if (format == NULL) {
# if !ENABLE_SELINUX
format = (option_mask32 & OPT_TERSE
- ? "%n %i %l %t %s %b %f %a %c %d\n"
+ ? "%n %i %l %t %s %b %f %a %c %d"
: " File: \"%n\"\n"
" ID: %-8i Namelen: %-7l Type: %T\n"
"Block size: %-10s\n"
@@ -509,25 +505,26 @@ static bool do_statfs(const char *filename, const char *format)
"Inodes: Total: %-10c Free: %d");
# else
format = (option_mask32 & OPT_TERSE
- ? (option_mask32 & OPT_SELINUX ? "%n %i %l %t %s %b %f %a %c %d %C\n":
- "%n %i %l %t %s %b %f %a %c %d\n")
- : (option_mask32 & OPT_SELINUX ?
- " File: \"%n\"\n"
- " ID: %-8i Namelen: %-7l Type: %T\n"
- "Block size: %-10s\n"
- "Blocks: Total: %-10b Free: %-10f Available: %a\n"
- "Inodes: Total: %-10c Free: %d"
- " S_context: %C\n":
- " File: \"%n\"\n"
- " ID: %-8i Namelen: %-7l Type: %T\n"
- "Block size: %-10s\n"
- "Blocks: Total: %-10b Free: %-10f Available: %a\n"
- "Inodes: Total: %-10c Free: %d\n")
+ ? (option_mask32 & OPT_SELINUX
+ ? "%n %i %l %t %s %b %f %a %c %d %C"
+ : "%n %i %l %t %s %b %f %a %c %d")
+ : (option_mask32 & OPT_SELINUX
+ ? " File: \"%n\"\n"
+ " ID: %-8i Namelen: %-7l Type: %T\n"
+ "Block size: %-10s\n"
+ "Blocks: Total: %-10b Free: %-10f Available: %a\n"
+ "Inodes: Total: %-10c Free: %d"
+ " S_context: %C"
+ : " File: \"%n\"\n"
+ " ID: %-8i Namelen: %-7l Type: %T\n"
+ "Block size: %-10s\n"
+ "Blocks: Total: %-10b Free: %-10f Available: %a\n"
+ "Inodes: Total: %-10c Free: %d")
);
# endif /* SELINUX */
}
print_it(format, filename, print_statfs, &statfsbuf IF_SELINUX(, scontext));
-#else /* FEATURE_STAT_FORMAT */
+#else /* !FEATURE_STAT_FORMAT */
format = (option_mask32 & OPT_TERSE
? "%s %llx %lu "
: " File: \"%s\"\n"
@@ -624,14 +621,14 @@ static bool do_stat(const char *filename, const char *format)
"Device: %Dh/%dd\tInode: %-10i Links: %-5h"
" Device type: %t,%T\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
- "Access: %x\n" "Modify: %y\n" "Change: %z\n";
+ "Access: %x\n" "Modify: %y\n" "Change: %z";
} else {
format =
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %h\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
- "Access: %x\n" "Modify: %y\n" "Change: %z\n";
+ "Access: %x\n" "Modify: %y\n" "Change: %z";
}
}
# else
@@ -650,14 +647,14 @@ static bool do_stat(const char *filename, const char *format)
" Device type: %t,%T\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
" S_Context: %C\n"
- "Access: %x\n" "Modify: %y\n" "Change: %z\n"
+ "Access: %x\n" "Modify: %y\n" "Change: %z"
:
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %-5h"
" Device type: %t,%T\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
- "Access: %x\n" "Modify: %y\n" "Change: %z\n"
+ "Access: %x\n" "Modify: %y\n" "Change: %z"
);
} else {
format = (option_mask32 & OPT_SELINUX ?
@@ -666,13 +663,13 @@ static bool do_stat(const char *filename, const char *format)
"Device: %Dh/%dd\tInode: %-10i Links: %h\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"S_Context: %C\n"
- "Access: %x\n" "Modify: %y\n" "Change: %z\n"
+ "Access: %x\n" "Modify: %y\n" "Change: %z"
:
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %h\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
- "Access: %x\n" "Modify: %y\n" "Change: %z\n"
+ "Access: %x\n" "Modify: %y\n" "Change: %z"
);
}
}
@@ -749,9 +746,9 @@ static bool do_stat(const char *filename, const char *format)
if (option_mask32 & OPT_SELINUX)
printf(" S_Context: %s\n", scontext);
# endif
- printf("Access: %s\n", human_time(statbuf.st_atime));
- printf("Modify: %s\n", human_time(statbuf.st_mtime));
- printf("Change: %s\n", human_time(statbuf.st_ctime));
+ printf("Access: %s\n", human_time(&statbuf.st_atim));
+ printf("Modify: %s\n", human_time(&statbuf.st_mtim));
+ printf("Change: %s\n", human_time(&statbuf.st_ctim));
}
#endif /* FEATURE_STAT_FORMAT */
return 1;