From d3bcc434bbc51143284e0108521b97f961c144d2 Mon Sep 17 00:00:00 2001
From: vda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Fri, 12 Jan 2007 22:10:34 +0000
Subject: random small size optimizations
git-svn-id: svn://busybox.net/trunk/busybox@17263 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
libbb/messages.c | 1 +
libbb/read.c | 2 +-
libbb/xfuncs.c | 13 +++++++++++++
3 files changed, 15 insertions(+), 1 deletion(-)
(limited to 'libbb')
diff --git a/libbb/messages.c b/libbb/messages.c
index c640faf5b..6c3d2f608 100644
--- a/libbb/messages.c
+++ b/libbb/messages.c
@@ -28,6 +28,7 @@ const char bb_msg_standard_input[] = "standard input";
const char bb_msg_standard_output[] = "standard output";
const char bb_str_default[] = "default";
+const char bb_hexdigits_upcase[] = "0123456789ABCDEF";
const char bb_path_passwd_file[] = "/etc/passwd";
const char bb_path_shadow_file[] = "/etc/shadow";
diff --git a/libbb/read.c b/libbb/read.c
index 50e0354ad..861828da1 100644
--- a/libbb/read.c
+++ b/libbb/read.c
@@ -88,7 +88,7 @@ char *reads(int fd, char *buffer, size_t size)
*p++ = '\0';
// avoid incorrect (unsigned) widening
offset = (off_t)(p-buffer) - (off_t)size;
- // set fd position the right after the \n
+ // set fd position right after '\n'
if (offset && lseek(fd, offset, SEEK_CUR) == (off_t)-1)
return NULL;
}
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 827cbe870..207537929 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -333,6 +333,19 @@ char *itoa(int n)
return local_buf;
}
+// Emit a string of hex representation of bytes
+char *bin2hex(char *p, const char *cp, int count)
+{
+ while (count) {
+ unsigned char c = *cp++;
+ /* put lowercase hex digits */
+ *p++ = 0x10 | bb_hexdigits_upcase[c >> 4];
+ *p++ = 0x10 | bb_hexdigits_upcase[c & 0xf];
+ count--;
+ }
+ return p;
+}
+
// Die with an error message if we can't set gid. (Because resource limits may
// limit this user to a given number of processes, and if that fills up the
// setgid() will fail and we'll _still_be_root_, which is bad.)
--
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