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implement hcreate_r, hdestroy_r and hsearch_r
[oweals/musl.git]
/
src
/
unistd
/
getcwd.c
1
#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include <string.h>
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#include "syscall.h"
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char *getcwd(char *buf, size_t size)
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{
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char tmp[PATH_MAX];
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if (!buf) {
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buf = tmp;
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size = PATH_MAX;
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} else if (!size) {
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errno = EINVAL;
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return 0;
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}
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if (syscall(SYS_getcwd, buf, size) < 0) return 0;
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return buf == tmp ? strdup(buf) : buf;
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}