diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/unistd/getcwd.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/unistd/getcwd.c b/src/unistd/getcwd.c index b64b560f..2e540cd4 100644 --- a/src/unistd/getcwd.c +++ b/src/unistd/getcwd.c @@ -1,8 +1,13 @@ #include <unistd.h> #include <errno.h> +#include <limits.h> +#include <string.h> #include "syscall.h" char *getcwd(char *buf, size_t size) { - return syscall(SYS_getcwd, buf, size) < 0 ? NULL : buf; + char tmp[PATH_MAX]; + if (!buf) buf = tmp, size = PATH_MAX; + if (syscall(SYS_getcwd, buf, size) < 0) return 0; + return buf == tmp ? strdup(buf) : buf; } |