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| author | Michael Brown | 2013-12-02 18:20:36 +0100 |
|---|---|---|
| committer | Michael Brown | 2013-12-02 18:20:36 +0100 |
| commit | 135bf35b1189a4402dcca13685331c3fb2d901f5 (patch) | |
| tree | b95a0652759472957c53f61915062ef28424ee62 | |
| parent | [build] Fix building on OpenBSD 5.4 (diff) | |
| download | ipxe-135bf35b1189a4402dcca13685331c3fb2d901f5.tar.gz ipxe-135bf35b1189a4402dcca13685331c3fb2d901f5.tar.xz ipxe-135bf35b1189a4402dcca13685331c3fb2d901f5.zip | |
[console] Allow '?' as an intermediate byte in ANSI escape sequences
The ANSI escape sequences to show and hide the cursor take the form
"<ESC>[?25h" and "<ESC>[?25l" respectively. iPXE currently treats the
'?' character as the final byte. Fix by explicitly treating '?' as an
intermediate byte.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
| -rw-r--r-- | src/core/ansiesc.c | 3 | ||||
| -rw-r--r-- | src/include/ipxe/ansiesc.h | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/src/core/ansiesc.c b/src/core/ansiesc.c index 68e7061b3..ca9a73ce0 100644 --- a/src/core/ansiesc.c +++ b/src/core/ansiesc.c @@ -99,7 +99,8 @@ int ansiesc_process ( struct ansiesc_context *ctx, int c ) { DBG ( "Too many parameters in ANSI escape " "sequence\n" ); } - } else if ( ( c >= 0x20 ) && ( c <= 0x2f ) ) { + } else if ( ( ( c >= 0x20 ) && ( c <= 0x2f ) ) || + ( c == '?' ) ) { /* Intermediate Byte */ ctx->function <<= 8; ctx->function |= c; diff --git a/src/include/ipxe/ansiesc.h b/src/include/ipxe/ansiesc.h index e84545769..c1c74481d 100644 --- a/src/include/ipxe/ansiesc.h +++ b/src/include/ipxe/ansiesc.h @@ -124,6 +124,12 @@ struct ansiesc_context { */ #define ANSIESC_LOG_PRIORITY 'p' +/** Show cursor */ +#define ANSIESC_DECTCEM_SET ( ( '?' << 8 ) | 'h' ) + +/** Hide cursor */ +#define ANSIESC_DECTCEM_RESET ( ( '?' << 8 ) | 'l' ) + /** @} */ extern int ansiesc_process ( struct ansiesc_context *ctx, int c ); |