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Use a macro to calculate the iovec length

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This commit is contained in:
Michael Santos
2014-07-31 17:06:55 -04:00
parent c91307c102
commit dc495fed9d
1 changed files with 5 additions and 3 deletions
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8
c_src/alcove.c
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@@ -31,6 +31,8 @@ enum {
#define ALCOVE_MSG_TYPE(s) \
((s->fdctl == ALCOVE_CHILD_EXEC) ? ALCOVE_MSG_STDOUT : ALCOVE_MSG_PROXY)
#define ALCOVE_IOVEC_COUNT(_array) (sizeof(_array)/sizeof(_array[0]))
#ifdef __linux__
#pragma message "Support for namespaces using clone(2) enabled"
#else
@@ -403,7 +405,7 @@ alcove_child_stdio(int fdin, u_int16_t depth, alcove_child_t *c,
iov[1].iov_base = buf;
iov[1].iov_len = n;
return alcove_write(STDOUT_FILENO, iov, sizeof(iov)/sizeof(iov[0]));
return alcove_write(STDOUT_FILENO, iov, ALCOVE_IOVEC_COUNT(iov));
}
static ssize_t
@@ -431,7 +433,7 @@ alcove_call_reply(u_int16_t type, ETERM *t)
iov[1].iov_base = buf;
iov[1].iov_len = buflen;
return alcove_write(STDOUT_FILENO, iov, sizeof(iov)/sizeof(iov[0]));
return alcove_write(STDOUT_FILENO, iov, ALCOVE_IOVEC_COUNT(iov));
}
static ssize_t
@@ -469,7 +471,7 @@ alcove_call_fake_reply(pid_t pid, u_int16_t type, ETERM *t)
iov[2].iov_base = buf;
iov[2].iov_len = buflen;
n = alcove_write(STDOUT_FILENO, iov, sizeof(iov)/sizeof(iov[0]));
n = alcove_write(STDOUT_FILENO, iov, ALCOVE_IOVEC_COUNT(iov));
erl_free_compound(t);