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authorDenys Vlasenko2009-05-29 10:39:06 +0200
committerDenys Vlasenko2009-05-29 10:39:06 +0200
commit4b7db4f2ca232c630e334fa56b1eb89848d5fcc5 (patch)
tree55608587f33fc1d6f6a8e40dfdf7fea66c750d7a /include/libbb.h
parent171932d7ca62dbb0e0b84a0919e1f3a8a68f03f2 (diff)
downloadbusybox-4b7db4f2ca232c630e334fa56b1eb89848d5fcc5.zip
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read_key: drop optimization where we read 3 bytes at once
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include/libbb.h')
-rw-r--r--include/libbb.h96
1 files changed, 48 insertions, 48 deletions
diff --git a/include/libbb.h b/include/libbb.h
index 788140d..963e2af 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -933,54 +933,6 @@ void bb_displayroutes(int noresolve, int netstatfmt) FAST_FUNC;
#endif
-/* "Keycodes" that report an escape sequence.
- * We use something which fits into signed char,
- * yet doesn't represent any valid Unicode characher.
- * Also, -1 is reserved for error indication and we don't use it. */
-enum {
- KEYCODE_UP = -2,
- KEYCODE_DOWN = -3,
- KEYCODE_RIGHT = -4,
- KEYCODE_LEFT = -5,
- KEYCODE_HOME = -6,
- KEYCODE_END = -7,
- KEYCODE_INSERT = -8,
- KEYCODE_DELETE = -9,
- KEYCODE_PAGEUP = -10,
- KEYCODE_PAGEDOWN = -11,
-#if 0
- KEYCODE_FUN1 = -12,
- KEYCODE_FUN2 = -13,
- KEYCODE_FUN3 = -14,
- KEYCODE_FUN4 = -15,
- KEYCODE_FUN5 = -16,
- KEYCODE_FUN6 = -17,
- KEYCODE_FUN7 = -18,
- KEYCODE_FUN8 = -19,
- KEYCODE_FUN9 = -20,
- KEYCODE_FUN10 = -21,
- KEYCODE_FUN11 = -22,
- KEYCODE_FUN12 = -23,
-#endif
- KEYCODE_CURSOR_POS = -0x100,
- /* How long is the longest ESC sequence we know?
- * We want it big enough to be able to contain
- * cursor position sequence "ESC [ 9999 ; 9999 R"
- */
- KEYCODE_BUFFER_SIZE = 16
-};
-/* Note: fd may be in blocking or non-blocking mode, both make sense.
- * For one, less uses non-blocking mode.
- * Only the first read syscall inside read_key may block indefinitely
- * (unless fd is in non-blocking mode),
- * subsequent reads will time out after a few milliseconds.
- * Return of -1 means EOF or error (errno == 0 on EOF).
- * buffer[0] is used as a counter of buffered chars and must be 0
- * on first call.
- */
-int64_t read_key(int fd, char *buffer) FAST_FUNC;
-
-
/* Networking */
int create_icmp_socket(void) FAST_FUNC;
int create_icmp6_socket(void) FAST_FUNC;
@@ -1209,6 +1161,54 @@ unsigned long long bb_makedev(unsigned int major, unsigned int minor) FAST_FUNC;
#endif
+/* "Keycodes" that report an escape sequence.
+ * We use something which fits into signed char,
+ * yet doesn't represent any valid Unicode characher.
+ * Also, -1 is reserved for error indication and we don't use it. */
+enum {
+ KEYCODE_UP = -2,
+ KEYCODE_DOWN = -3,
+ KEYCODE_RIGHT = -4,
+ KEYCODE_LEFT = -5,
+ KEYCODE_HOME = -6,
+ KEYCODE_END = -7,
+ KEYCODE_INSERT = -8,
+ KEYCODE_DELETE = -9,
+ KEYCODE_PAGEUP = -10,
+ KEYCODE_PAGEDOWN = -11,
+#if 0
+ KEYCODE_FUN1 = -12,
+ KEYCODE_FUN2 = -13,
+ KEYCODE_FUN3 = -14,
+ KEYCODE_FUN4 = -15,
+ KEYCODE_FUN5 = -16,
+ KEYCODE_FUN6 = -17,
+ KEYCODE_FUN7 = -18,
+ KEYCODE_FUN8 = -19,
+ KEYCODE_FUN9 = -20,
+ KEYCODE_FUN10 = -21,
+ KEYCODE_FUN11 = -22,
+ KEYCODE_FUN12 = -23,
+#endif
+ KEYCODE_CURSOR_POS = -0x100,
+ /* How long is the longest ESC sequence we know?
+ * We want it big enough to be able to contain
+ * cursor position sequence "ESC [ 9999 ; 9999 R"
+ */
+ KEYCODE_BUFFER_SIZE = 16
+};
+/* Note: fd may be in blocking or non-blocking mode, both make sense.
+ * For one, less uses non-blocking mode.
+ * Only the first read syscall inside read_key may block indefinitely
+ * (unless fd is in non-blocking mode),
+ * subsequent reads will time out after a few milliseconds.
+ * Return of -1 means EOF or error (errno == 0 on EOF).
+ * buffer[0] is used as a counter of buffered chars and must be 0
+ * on first call.
+ */
+int64_t read_key(int fd, char *buffer) FAST_FUNC;
+
+
#if ENABLE_FEATURE_EDITING
/* It's NOT just ENABLEd or disabled. It's a number: */
# ifdef CONFIG_FEATURE_EDITING_HISTORY