emo/busybox
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introduce safe_poll (fixes a problem in top)

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function                                             old     new   delta
safe_poll                                              -      77     +77
svlogd_main                                         1470    1466      -4
zcip_main                                           1530    1524      -6
forkexec                                            1345    1338      -7
decode_format_string                                 795     788      -7
collect_blk                                          474     467      -7
buffer_pread                                         540     532      -8
tftp                                                1182    1172     -10
microcom_main                                        763     749     -14
arpping                                              441     424     -17
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/9 up/down: 77/-80)             Total: -3 bytes
   text    data     bss     dec     hex filename
 770162    1034   10404  781600   bed20 busybox_old
 770158    1034   10404  781596   bed1c busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-09-27 10:09:59 +00:00
parent c9dc2ac578
commit 5d61e71c3a
13 changed files with 65 additions and 30 deletions
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8
include/libbb.h
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@ -451,8 +451,14 @@ extern FILE *fopen_or_warn(const char *filename, const char *mode);
/* "Opens" stdin if filename is special, else just opens file: */
extern FILE *fopen_or_warn_stdin(const char *filename);
/* Wrapper which restarts poll on EINTR or ENOMEM.
* On other errors complains [perror("poll")] and returns.
* Warning! May take (much) longer than timeout_ms to return!
* If this is a problem, use bare poll and open-code EINTR/ENOMEM handling */
int safe_poll(struct pollfd *ufds, nfds_t nfds, int timeout_ms);
/* Convert each alpha char in str to lower-case */
extern char* str_tolower(char *str);
char* str_tolower(char *str);
char *utoa(unsigned n);
char *itoa(int n);