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src/process/posix_spawn_file_actions_adddup2.c

 

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#include <spawn.h>

 

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#include <stdlib.h>

 

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#include <errno.h>

 

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#include "fdop.h"

 

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int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int srcfd, int fd)

 

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{

 

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        struct fdop *op = malloc(sizeof *op);

 

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        if (!op) return ENOMEM;

 

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        op->cmd = FDOP_DUP2;

 

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        op->srcfd = srcfd;

 

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        op->fd = fd;

 

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        if ((op->next = fa->__actions)) op->next->prev = op;

 

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        op->prev = 0;

 

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        fa->__actions = op;

 

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        return 0;

 

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}

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