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tar et al: die if bb_copyfd_size copies less than asked for.

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(we have bb_copyfd_exact_size now for that kind of usage)
This commit is contained in:
Denis Vlasenko
2006-12-22 00:21:07 +00:00
parent 0a8a774179
commit 714701c890
13 changed files with 84 additions and 65 deletions
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7
include/libbb.h
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@ -203,8 +203,13 @@ extern int recursive_action(const char *fileName, int recurse,
extern int device_open(const char *device, int mode);
extern int get_console_fd(void);
extern char *find_block_device(char *path);
extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
/* bb_copyfd_XX print read/write errors and return -1 if they occur */
extern off_t bb_copyfd_eof(int fd1, int fd2);
extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
extern void bb_copyfd_exact_size(int fd1, int fd2, off_t size);
/* "short" copy can be detected by return value < size */
/* this helper yells "short read!" if param is not -1 */
extern void complain_copyfd_and_die(off_t sz) ATTRIBUTE_NORETURN;
extern char bb_process_escape_sequence(const char **ptr);
extern char *bb_get_last_path_component(char *path);
extern int ndelay_on(int fd);