X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Flfs.h;h=ede41268691578370d490c229013ac6adc3cd250;hb=534019614dd611e7df29a0c8c59f2a869a2c0c39;hp=5802e1a4665eb60ae7ca6750c510fb0a5ac74c38;hpb=9fbdf10b4915874aad2eb98087293e5c721d3eb2;p=libucw.git diff --git a/lib/lfs.h b/lib/lfs.h index 5802e1a4..ede41268 100644 --- a/lib/lfs.h +++ b/lib/lfs.h @@ -1,16 +1,19 @@ /* - * Sherlock Library -- Large File Support + * UCW Library -- Large File Support * * (c) 1999--2002 Martin Mares + * + * This software may be freely distributed and used according to the terms + * of the GNU Lesser General Public License. */ -#ifndef _SHERLOCK_LFS_H -#define _SHERLOCK_LFS_H +#ifndef _UCW_LFS_H +#define _UCW_LFS_H #include #include -#ifdef SHERLOCK_CONFIG_LFS +#ifdef CONFIG_LFS #define sh_open open64 #define sh_seek lseek64 @@ -20,8 +23,11 @@ #define sh_mmap(a,l,p,f,d,o) mmap64(a,l,p,f,d,o) #define sh_pread pread64 #define sh_pwrite pwrite64 +#define sh_stat stat64 +#define sh_fstat fstat64 +typedef struct stat64 sh_stat_t; -#else /* !SHERLOCK_CONFIG_LFS */ +#else /* !CONFIG_LFS */ #define sh_open open #define sh_seek(f,o,w) lseek(f,o,w) @@ -29,7 +35,29 @@ #define sh_mmap(a,l,p,f,d,o) mmap(a,l,p,f,d,o) #define sh_pread pread #define sh_pwrite pwrite - -#endif /* !SHERLOCK_CONFIG_LFS */ - -#endif /* !_SHERLOCK_LFS_H */ +#define sh_stat stat +#define sh_fstat fstat +typedef struct stat sh_stat_t; + +#endif /* !CONFIG_LFS */ + +#if defined(_POSIX_SYNCHRONIZED_IO) && (_POSIX_SYNCHRONIZED_IO > 0) +#define sh_fdatasync fdatasync +#else +#define sh_fdatasync fsync +#endif + +#define HAVE_PREAD + +static inline sh_off_t +sh_file_size(const char *name) +{ + int fd = sh_open(name, O_RDONLY); + if (fd < 0) + die("Cannot open %s: %m", name); + sh_off_t len = sh_seek(fd, 0, SEEK_END); + close(fd); + return len; +} + +#endif /* !_UCW_LFS_H */