diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-02-20 22:23:24 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-02-20 22:23:24 +0000 |
| commit | e376d454bb70ed41bbc3eb0358d37fa30c94358d (patch) | |
| tree | eb53c600dcde841a7617a19f819ae3e9cfe7fd84 /include | |
| parent | ae86a338b89c1339588226cb2298e1785aaa7b90 (diff) | |
| download | busybox-e376d454bb70ed41bbc3eb0358d37fa30c94358d.tar.gz | |
libbb: introduce and use nonblock_safe_read(). Yay!
Our shells are immune from this nasty O_NONBLOCK now!
function old new delta
nonblock_safe_read - 78 +78
file_get 276 295 +19
generateMTFValues 428 435 +7
read_line_input 1776 1772 -4
preadbuffer 543 450 -93
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/2 up/down: 104/-97) Total: 7 bytes
text data bss dec hex filename
615190 715 23924 639829 9c355 busybox_old
615168 715 23924 639807 9c33f busybox_unstripped
Diffstat (limited to 'include')
| -rw-r--r-- | include/libbb.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/libbb.h b/include/libbb.h index a91eac466..eb8b2f620 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -475,6 +475,7 @@ extern void *xzalloc(size_t size); extern void *xrealloc(void *old, size_t size); extern ssize_t safe_read(int fd, void *buf, size_t count); +extern ssize_t nonblock_safe_read(int fd, void *buf, size_t count); extern ssize_t full_read(int fd, void *buf, size_t count); extern void xread(int fd, void *buf, size_t count); extern unsigned char xread_char(int fd); @@ -482,6 +483,7 @@ extern unsigned char xread_char(int fd); extern char *reads(int fd, char *buf, size_t count); // Read one line a-la fgets. Reads byte-by-byte. // Useful when it is important to not read ahead. +// Bytes are appended to pfx (which must be malloced, or NULL). extern char *xmalloc_reads(int fd, char *pfx); extern ssize_t read_close(int fd, void *buf, size_t count); extern ssize_t open_read_close(const char *filename, void *buf, size_t count); |