64 строки
1.3 KiB
C
64 строки
1.3 KiB
C
#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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int main() {
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int vals[] = {
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_PC_LINK_MAX,
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_PC_MAX_CANON,
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_PC_MAX_INPUT,
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_PC_NAME_MAX,
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_PC_PATH_MAX,
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_PC_PIPE_BUF,
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_PC_REC_MIN_XFER_SIZE,
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_PC_REC_XFER_ALIGN,
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_PC_ALLOC_SIZE_MIN,
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_PC_CHOWN_RESTRICTED,
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_PC_NO_TRUNC,
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_PC_2_SYMLINKS,
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_PC_VDISABLE,
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_PC_SYNC_IO,
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_PC_ASYNC_IO,
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_PC_PRIO_IO,
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_PC_SOCK_MAXBUF,
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_PC_REC_INCR_XFER_SIZE,
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_PC_REC_MAX_XFER_SIZE,
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_PC_SYMLINK_MAX,
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_PC_FILESIZEBITS
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};
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char* names[] = {
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"_PC_LINK_MAX",
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"_PC_MAX_CANON",
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"_PC_MAX_INPUT",
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"_PC_NAME_MAX",
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"_PC_PATH_MAX",
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"_PC_PIPE_BUF",
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"_PC_REC_MIN_XFER_SIZE",
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"_PC_REC_XFER_ALIGN",
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"_PC_ALLOC_SIZE_MIN",
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"_PC_CHOWN_RESTRICTED",
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"_PC_NO_TRUNC",
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"_PC_2_SYMLINKS",
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"_PC_VDISABLE",
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"_PC_SYNC_IO",
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"_PC_ASYNC_IO",
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"_PC_PRIO_IO",
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"_PC_SOCK_MAXBUF",
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"_PC_REC_INCR_XFER_SIZE",
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"_PC_REC_MAX_XFER_SIZE",
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"_PC_SYMLINK_MAX",
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"_PC_FILESIZEBITS"
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};
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for (int i = 0; i < sizeof vals / sizeof vals[0]; i++) {
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printf("%s: %ld\n", names[i], pathconf("/", vals[i]));
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printf("errno: %d\n\n", errno);
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errno = 0;
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}
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printf("(invalid): %ld\n", pathconf("/", -123));
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printf("errno: %d\n", errno);
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return 0;
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}
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