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| author | Sami Kerola | 2012-12-16 11:43:51 +0100 |
|---|---|---|
| committer | Karel Zak | 2012-12-19 11:04:53 +0100 |
| commit | 56692a6701c4847d0cd80457c5adb98e5eaa6ced (patch) | |
| tree | 41c51e5c4c825322263c028c29cbf9c52325a4a3 /sys-utils/ipcutils.c | |
| parent | ipcs: assist debugging (diff) | |
| download | kernel-qcow2-util-linux-56692a6701c4847d0cd80457c5adb98e5eaa6ced.tar.gz kernel-qcow2-util-linux-56692a6701c4847d0cd80457c5adb98e5eaa6ced.tar.xz kernel-qcow2-util-linux-56692a6701c4847d0cd80457c5adb98e5eaa6ced.zip | |
ipcs: add --human readable size conversion option
Introduces new function ipc_print_size() which will call
size_to_human_string(), and handles the occasional '([k]bytes)' printing
if default size format is requested.
Reviewed-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'sys-utils/ipcutils.c')
| -rw-r--r-- | sys-utils/ipcutils.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys-utils/ipcutils.c b/sys-utils/ipcutils.c index 7d1f0d1ef..d81ca2063 100644 --- a/sys-utils/ipcutils.c +++ b/sys-utils/ipcutils.c @@ -7,6 +7,7 @@ #include "path.h" #include "pathnames.h" #include "ipcutils.h" +#include "strutils.h" #ifndef SEMVMX # define SEMVMX 32767 /* <= 32767 semaphore maximum value */ @@ -504,3 +505,42 @@ void ipc_print_perms(FILE *f, struct ipc_stat *is) else fprintf(f, " %-10u\n", is->gid); } + +void ipc_print_size(int unit, char *msg, size_t size, const char *end, + int width) +{ + char format[16]; + + if (!msg) + /* NULL */ ; + else if (msg[strlen(msg) - 1] == '=') + printf("%s", msg); + else if (unit == IPC_UNIT_BYTES) + printf(_("%s (bytes) = "), msg); + else if (unit == IPC_UNIT_KB) + printf(_("%s (kbytes) = "), msg); + else + printf("%s = ", msg); + + switch (unit) { + case IPC_UNIT_DEFAULT: + case IPC_UNIT_BYTES: + sprintf(format, "%%%dzu", width); + printf(format, size); + break; + case IPC_UNIT_KB: + sprintf(format, "%%%dzu", width); + printf(format, size / 1024); + break; + case IPC_UNIT_HUMAN: + sprintf(format, "%%%ds", width); + printf(format, size_to_human_string(SIZE_SUFFIX_1LETTER, size)); + break; + default: + /* impossible occurred */ + abort(); + } + + if (end) + printf("%s", end); +} |