Tibor Nagy
efd6947d8e
Turns the results of these macros from compound to regular statements using the old `do { ... } while(0)` trick. Must have for function-like macros.
29 lines
530 B
C
29 lines
530 B
C
#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "test_helpers.h"
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#define SC(N) \
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do { \
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errno = 0; \
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printf("%s (%d): %ld (%d)\n", #N, _SC_ ## N, sysconf(_SC_ ## N), errno); \
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} while (0)
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int main(void) {
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SC(ARG_MAX);
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SC(CHILD_MAX);
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SC(CLK_TCK);
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SC(NGROUPS_MAX);
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SC(OPEN_MAX);
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SC(STREAM_MAX);
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SC(TZNAME_MAX);
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SC(VERSION);
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SC(PAGESIZE);
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SC(RE_DUP_MAX);
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SC(LOGIN_NAME_MAX);
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SC(TTY_NAME_MAX);
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SC(SYMLOOP_MAX);
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SC(HOST_NAME_MAX);
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}
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