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author | Michael Brown | 2007-01-12 18:08:37 +0100 |
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committer | Michael Brown | 2007-01-12 18:08:37 +0100 |
commit | 996b091b50ccdc317b2a7501dd2fe18b0a3d421a (patch) | |
tree | 8751c8b77d43a7697dbaec151fe1d013cef97313 /src/include/gpxe/linebuf.h | |
parent | Place multiboot tables in base memory; at least some OSes won't see it (diff) | |
download | ipxe-996b091b50ccdc317b2a7501dd2fe18b0a3d421a.tar.gz ipxe-996b091b50ccdc317b2a7501dd2fe18b0a3d421a.tar.xz ipxe-996b091b50ccdc317b2a7501dd2fe18b0a3d421a.zip |
Added generic line-buffering code (a la stdio)
Diffstat (limited to 'src/include/gpxe/linebuf.h')
-rw-r--r-- | src/include/gpxe/linebuf.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/include/gpxe/linebuf.h b/src/include/gpxe/linebuf.h new file mode 100644 index 00000000..72b47752 --- /dev/null +++ b/src/include/gpxe/linebuf.h @@ -0,0 +1,37 @@ +#ifndef _GPXE_LINEBUF_H +#define _GPXE_LINEBUF_H + +/** @file + * + * Line buffering + * + */ + +#include <stdint.h> +#include <stddef.h> + +/** A line buffer */ +struct line_buffer { + /** Current data in the buffer */ + char *data; + /** Length of current data */ + size_t len; + /** Bitmask of terminating characters to skip over */ + unsigned int skip_terminators; +}; + +/** + * Retrieve buffered-up line + * + * @v linebuf Line buffer + * @ret line Buffered line, or NULL if no line present + */ +static inline char * buffered_line ( struct line_buffer *linebuf ) { + return linebuf->data; +} + +extern int line_buffer ( struct line_buffer *linebuf, const char *data, + size_t len ); +extern void empty_line_buffer ( struct line_buffer *linebuf ); + +#endif /* _GPXE_LINEBUF_H */ |