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macro: final INTTYPE_TO_STRLEN() related cleanups

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
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Christian Brauner 2018-08-25 12:30:50 +02:00
parent 84226232fb
commit 0c5ea884e8
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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)]))) : sizeof(int[-2 * (sizeof(type) > 8)])))
/* Useful macros */ /* 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_LINELEN 4096
#define LXC_IDMAPLEN 4096 #define LXC_IDMAPLEN 4096
#define LXC_MAX_BUFFER 4096 #define LXC_MAX_BUFFER 4096
/* /proc/ = 6 /* /proc/ = 6
* + * +
* <pid-as-str> = LXC_NUMSTRLEN64 * <pid-as-str> = INTTYPE_TO_STRLEN(pid_t)
* + * +
* /fd/ = 4 * /fd/ = 4
* + * +
* <fd-as-str> = LXC_NUMSTRLEN64 * <fd-as-str> = INTTYPE_TO_STRLEN(int)
* + * +
* \0 = 1 * \0 = 1
*/ */
#define LXC_PROC_PID_FD_LEN (6 + INTTYPE_TO_STRLEN(pid_t) + 4 + INTTYPE_TO_STRLEN(int) + 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_CMD_DATA_MAX (MAXPATHLEN * 2)
#define LXC_LSMATTRLEN (5 + (INTTYPE_TO_STRLEN(pid_t)) + 7 + 1)
/* loop devices */ /* loop devices */
#ifndef LO_FLAGS_AUTOCLEAR #ifndef LO_FLAGS_AUTOCLEAR