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macro: final INTTYPE_TO_STRLEN() related cleanups

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner
2018-08-25 12:30:50 +02:00
parent 84226232fb
commit 0c5ea884e8
1 changed files with 10 additions and 7 deletions
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17
src/lxc/macro.h
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@@ -121,26 +121,29 @@
: sizeof(int[-2 * (sizeof(type) > 8)])))
/* Useful macros */
/* Maximum number for 64 bit integer is a string with 21 digits: 2^64 - 1 = 21 */
#define LXC_NUMSTRLEN64 INTTYPE_TO_STRLEN(int64_t)
#define LXC_LINELEN 4096
#define LXC_IDMAPLEN 4096
#define LXC_MAX_BUFFER 4096
/* /proc/ = 6
* +
* <pid-as-str> = LXC_NUMSTRLEN64
* <pid-as-str> = INTTYPE_TO_STRLEN(pid_t)
* +
* /fd/ = 4
* +
* <fd-as-str> = LXC_NUMSTRLEN64
* <fd-as-str> = INTTYPE_TO_STRLEN(int)
* +
* \0 = 1
*/
#define LXC_PROC_PID_FD_LEN (6 + INTTYPE_TO_STRLEN(pid_t) + 4 + INTTYPE_TO_STRLEN(int) + 1)
/* /proc/pid-to-str/status\0 = (5 + 21 + 7 + 1) */
#define LXC_PROC_STATUS_LEN (5 + (INTTYPE_TO_STRLEN(pid_t)) + 7 + 1)
/* /proc/pid-to-str/status\0 = (5 + INTTYPE_TO_STRLEN(pid_t) + 7 + 1) */
#define LXC_PROC_STATUS_LEN (5 + INTTYPE_TO_STRLEN(pid_t) + 7 + 1)
/* /proc/pid-to-str/attr/current = (5 + INTTYPE_TO_STRLEN(pid_t) + 7 + 1) */
#define LXC_LSMATTRLEN (5 + INTTYPE_TO_STRLEN(pid_t) + 7 + 1)
#define LXC_CMD_DATA_MAX (MAXPATHLEN * 2)
#define LXC_LSMATTRLEN (5 + (INTTYPE_TO_STRLEN(pid_t)) + 7 + 1)
/* loop devices */
#ifndef LO_FLAGS_AUTOCLEAR