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Unified Diff: fusl/src/unistd/getcwd.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/unistd/getcwd.c
diff --git a/fusl/src/unistd/getcwd.c b/fusl/src/unistd/getcwd.c
new file mode 100644
index 0000000000000000000000000000000000000000..a7b925d2dbee5a99f5ec61b77b5870ae3a839143
--- /dev/null
+++ b/fusl/src/unistd/getcwd.c
@@ -0,0 +1,19 @@
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+#include <string.h>
+#include "syscall.h"
+
+char *getcwd(char *buf, size_t size)
+{
+ char tmp[PATH_MAX];
+ if (!buf) {
+ buf = tmp;
+ size = PATH_MAX;
+ } else if (!size) {
+ errno = EINVAL;
+ return 0;
+ }
+ if (syscall(SYS_getcwd, buf, size) < 0) return 0;
+ return buf == tmp ? strdup(buf) : buf;
+}
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