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process.c: GETPW_R_SIZE_INIT, GETGR_R_SIZE_INIT

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* process.c (GETPW_R_SIZE_INIT, GETGR_R_SIZE_INIT): sysconf values
  are not maximum sizes, but initial sizes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45288 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-03-08 04:08:46 +00:00
parent b1fb57da3d
commit 9e33b72ad1
1 changed files with 8 additions and 4 deletions
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12
process.c
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@ -151,6 +151,8 @@ static void check_gid_switch(void);
#if defined(HAVE_PWD_H)
# if defined(HAVE_GETPWNAM_R) && defined(_SC_GETPW_R_SIZE_MAX)
# define USE_GETPWNAM_R 1
# define GETPW_R_SIZE_INIT sysconf(_SC_GETPW_R_SIZE_MAX)
# define GETPW_R_SIZE_DEFAULT 0x1000
# endif
# ifdef USE_GETPWNAM_R
# define PREPARE_GETPWNAM \
@ -188,6 +190,8 @@ static rb_uid_t obj2uid(VALUE id);
#if defined(HAVE_GRP_H)
# if defined(HAVE_GETGRNAM_R) && defined(_SC_GETGR_R_SIZE_MAX)
# define USE_GETGRNAM_R
# define GETGR_R_SIZE_INIT sysconf(_SC_GETGR_R_SIZE_MAX)
# define GETGR_R_SIZE_DEFAULT 0x1000
# endif
# ifdef USE_GETGRNAM_R
# define PREPARE_GETGRNAM \
@ -4729,8 +4733,8 @@ obj2uid(VALUE id
char *getpw_buf;
long getpw_buf_len;
if (!*getpw_tmp) {
getpw_buf_len = sysconf(_SC_GETPW_R_SIZE_MAX);
if (getpw_buf_len < 0) getpw_buf_len = 4096;
getpw_buf_len = GETPW_R_SIZE_INIT;
if (getpw_buf_len < 0) getpw_buf_len = GETPW_R_SIZE_DEFAULT;
getpw_buf = rb_alloc_tmp_buffer(getpw_tmp, getpw_buf_len);
}
else {
@ -4797,8 +4801,8 @@ obj2gid(VALUE id
char *getgr_buf;
long getgr_buf_len;
if (!*getgr_tmp) {
getgr_buf_len = sysconf(_SC_GETGR_R_SIZE_MAX);
if (getgr_buf_len < 0) getgr_buf_len = 4096;
getgr_buf_len = GETGR_R_SIZE_INIT;
if (getgr_buf_len < 0) getgr_buf_len = GETGR_R_SIZE_DEFAULT;
getgr_buf = rb_alloc_tmp_buffer(getgr_tmp, getgr_buf_len);
}
else {