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49d1a4c562
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging
17 lines
407 B
C
17 lines
407 B
C
#define _GNU_SOURCE
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include "syscall.h"
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int fexecve(int fd, char *const argv[], char *const envp[])
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{
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int r = __syscall(SYS_execveat, fd, "", argv, envp, AT_EMPTY_PATH);
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if (r != -ENOSYS) return __syscall_ret(r);
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char buf[15 + 3*sizeof(int)];
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__procfdname(buf, fd);
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execve(buf, argv, envp);
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if (errno == ENOENT) errno = EBADF;
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return -1;
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}
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