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#include <errno.h> | #include <errno.h> |
#include <unistd.h> | #include <unistd.h> |
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#if defined(__GNUC__) || defined(HAS_LONG_LONG) |
#if defined(__GNUC__) |
typedef long long llse_loff_t; | typedef long long llse_loff_t; |
#else | #else |
typedef long llse_loff_t; | typedef long llse_loff_t; |
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#ifdef __linux__ | #ifdef __linux__ |
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#ifdef HAVE_LLSEEK |
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#include <syscall.h> |
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#else /* HAVE_LLSEEK */ |
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#if defined(__alpha__) || defined(__ia64__) || defined(__s390x__) | #if defined(__alpha__) || defined(__ia64__) || defined(__s390x__) |
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#define my_llseek lseek | #define my_llseek lseek |
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#else | #else |
#include <linux/unistd.h> /* for __NR__llseek */ |
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static int _llseek (unsigned int, unsigned long, |
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unsigned long, llse_loff_t *, unsigned int); |
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#ifdef __NR__llseek |
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static _syscall5(int,_llseek,unsigned int,fd,unsigned long,offset_high, |
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unsigned long, offset_low,llse_loff_t *,result, |
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unsigned int, origin) |
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#else |
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/* no __NR__llseek on compilation machine - might give it explicitly */ |
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static int _llseek (unsigned int fd, unsigned long oh, |
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unsigned long ol, llse_loff_t *result, |
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unsigned int origin) { |
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errno = ENOSYS; |
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return -1; |
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} |
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#endif |
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static llse_loff_t my_llseek (unsigned int fd, llse_loff_t offset, |
#define my_llseek lseek64 |
unsigned int origin) |
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{ |
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llse_loff_t result; |
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int retval; |
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retval = _llseek (fd, ((unsigned long long) offset) >> 32, |
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((unsigned long long) offset) & 0xffffffff, |
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&result, origin); |
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return (retval == -1 ? (llse_loff_t) retval : result); |
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} |
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#endif /* __alpha__ */ |
#endif /* alpha, ia64, s390x */ |
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#endif /* HAVE_LLSEEK */ |
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llse_loff_t llse_llseek (unsigned int fd, llse_loff_t offset, | llse_loff_t llse_llseek (unsigned int fd, llse_loff_t offset, |
unsigned int origin) | unsigned int origin) |
