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Unified Diff: fusl/src/process/posix_spawn_file_actions_adddup2.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/process/posix_spawn_file_actions_adddup2.c
diff --git a/fusl/src/process/posix_spawn_file_actions_adddup2.c b/fusl/src/process/posix_spawn_file_actions_adddup2.c
new file mode 100644
index 0000000000000000000000000000000000000000..0367498fd4f36ca9fe5d0ae12ec65fc15936bc5b
--- /dev/null
+++ b/fusl/src/process/posix_spawn_file_actions_adddup2.c
@@ -0,0 +1,17 @@
+#include <spawn.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "fdop.h"
+
+int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int srcfd, int fd)
+{
+ struct fdop *op = malloc(sizeof *op);
+ if (!op) return ENOMEM;
+ op->cmd = FDOP_DUP2;
+ op->srcfd = srcfd;
+ op->fd = fd;
+ if ((op->next = fa->__actions)) op->next->prev = op;
+ op->prev = 0;
+ fa->__actions = op;
+ return 0;
+}
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