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authorDenis Vlasenko2008-06-27 02:52:20 +0000
committerDenis Vlasenko2008-06-27 02:52:20 +0000
commitdefc1ea34074e7882724c460260d307cdf981a70 (patch)
treefca9b9a5fe243f9c0c76b84824ea2ff92ea8e589 /libbb/read.c
parent26bc57d8b26425f23f4be974cce7bf35c95c9a1a (diff)
downloadbusybox-defc1ea34074e7882724c460260d307cdf981a70.zip
busybox-defc1ea34074e7882724c460260d307cdf981a70.tar.gz
*: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
text data bss dec hex filename 808035 611 6868 815514 c719a busybox_old 804472 611 6868 811951 c63af busybox_unstripped
Diffstat (limited to 'libbb/read.c')
-rw-r--r--libbb/read.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/libbb/read.c b/libbb/read.c
index fa9874d..7b80412 100644
--- a/libbb/read.c
+++ b/libbb/read.c
@@ -9,7 +9,7 @@
#include "libbb.h"
-ssize_t safe_read(int fd, void *buf, size_t count)
+ssize_t FAST_FUNC safe_read(int fd, void *buf, size_t count)
{
ssize_t n;
@@ -56,7 +56,7 @@ ssize_t safe_read(int fd, void *buf, size_t count)
* which detects EAGAIN and uses poll() to wait on the fd.
* Thankfully, poll() doesn't care about O_NONBLOCK flag.
*/
-ssize_t nonblock_safe_read(int fd, void *buf, size_t count)
+ssize_t FAST_FUNC nonblock_safe_read(int fd, void *buf, size_t count)
{
struct pollfd pfd[1];
ssize_t n;
@@ -78,7 +78,7 @@ ssize_t nonblock_safe_read(int fd, void *buf, size_t count)
* Returns the amount read, or -1 on an error.
* A short read is returned on an end of file.
*/
-ssize_t full_read(int fd, void *buf, size_t len)
+ssize_t FAST_FUNC full_read(int fd, void *buf, size_t len)
{
ssize_t cc;
ssize_t total;
@@ -107,7 +107,7 @@ ssize_t full_read(int fd, void *buf, size_t len)
}
// Die with an error message if we can't read the entire buffer.
-void xread(int fd, void *buf, size_t count)
+void FAST_FUNC xread(int fd, void *buf, size_t count)
{
if (count) {
ssize_t size = full_read(fd, buf, count);
@@ -117,7 +117,7 @@ void xread(int fd, void *buf, size_t count)
}
// Die with an error message if we can't read one character.
-unsigned char xread_char(int fd)
+unsigned char FAST_FUNC xread_char(int fd)
{
char tmp;
xread(fd, &tmp, 1);
@@ -125,7 +125,7 @@ unsigned char xread_char(int fd)
}
// Read one line a-la fgets. Works only on seekable streams
-char *reads(int fd, char *buffer, size_t size)
+char* FAST_FUNC reads(int fd, char *buffer, size_t size)
{
char *p;
@@ -152,7 +152,7 @@ char *reads(int fd, char *buffer, size_t size)
// Reads one line a-la fgets (but doesn't save terminating '\n').
// Reads byte-by-byte. Useful when it is important to not read ahead.
// Bytes are appended to pfx (which must be malloced, or NULL).
-char *xmalloc_reads(int fd, char *buf, size_t *maxsz_p)
+char* FAST_FUNC xmalloc_reads(int fd, char *buf, size_t *maxsz_p)
{
char *p;
size_t sz = buf ? strlen(buf) : 0;
@@ -185,7 +185,7 @@ char *xmalloc_reads(int fd, char *buf, size_t *maxsz_p)
return xrealloc(buf, p - buf);
}
-ssize_t read_close(int fd, void *buf, size_t size)
+ssize_t FAST_FUNC read_close(int fd, void *buf, size_t size)
{
/*int e;*/
size = full_read(fd, buf, size);
@@ -195,7 +195,7 @@ ssize_t read_close(int fd, void *buf, size_t size)
return size;
}
-ssize_t open_read_close(const char *filename, void *buf, size_t size)
+ssize_t FAST_FUNC open_read_close(const char *filename, void *buf, size_t size)
{
int fd = open(filename, O_RDONLY);
if (fd < 0)
@@ -205,7 +205,7 @@ ssize_t open_read_close(const char *filename, void *buf, size_t size)
// Read (potentially big) files in one go. File size is estimated
// by stat.
-void *xmalloc_open_read_close(const char *filename, size_t *sizep)
+void* FAST_FUNC xmalloc_open_read_close(const char *filename, size_t *sizep)
{
char *buf;
size_t size;
@@ -247,7 +247,7 @@ void *xmalloc_open_read_close(const char *filename, size_t *sizep)
// Read (potentially big) files in one go. File size is estimated by
// lseek to end.
-void *xmalloc_open_read_close(const char *filename, size_t *sizep)
+void* FAST_FUNC xmalloc_open_read_close(const char *filename, size_t *sizep)
{
char *buf;
size_t size;
@@ -284,7 +284,7 @@ void *xmalloc_open_read_close(const char *filename, size_t *sizep)
}
#endif
-void *xmalloc_xopen_read_close(const char *filename, size_t *sizep)
+void* FAST_FUNC xmalloc_xopen_read_close(const char *filename, size_t *sizep)
{
void *buf = xmalloc_open_read_close(filename, sizep);
if (!buf)