diff options
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/messages.c | 1 | ||||
| -rw-r--r-- | libbb/read.c | 2 | ||||
| -rw-r--r-- | libbb/xfuncs.c | 13 |
3 files changed, 15 insertions, 1 deletions
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.) |