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93b709c79e
Move from uint32_t to off_t as the fundamental unit of length used by the line_buffer library. Performance would get worse if anything but I think it's worth it for support of deltas that need to skip large pieces (> 4 GiB). Exception: buffer_read_string still takes a uint32_t, since it keeps its result in an in-core obj_pool. Callers still have to be updated to take advantage of this. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
#ifndef LINE_BUFFER_H_
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#define LINE_BUFFER_H_
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#include "strbuf.h"
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#define LINE_BUFFER_LEN 10000
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struct line_buffer {
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char line_buffer[LINE_BUFFER_LEN];
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struct strbuf blob_buffer;
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FILE *infile;
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};
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#define LINE_BUFFER_INIT {"", STRBUF_INIT, NULL}
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int buffer_init(struct line_buffer *buf, const char *filename);
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int buffer_fdinit(struct line_buffer *buf, int fd);
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int buffer_deinit(struct line_buffer *buf);
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void buffer_reset(struct line_buffer *buf);
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int buffer_tmpfile_init(struct line_buffer *buf);
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FILE *buffer_tmpfile_rewind(struct line_buffer *buf); /* prepare to write. */
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long buffer_tmpfile_prepare_to_read(struct line_buffer *buf);
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int buffer_ferror(struct line_buffer *buf);
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char *buffer_read_line(struct line_buffer *buf);
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char *buffer_read_string(struct line_buffer *buf, uint32_t len);
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int buffer_read_char(struct line_buffer *buf);
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void buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, uint32_t len);
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void buffer_copy_bytes(struct line_buffer *buf, off_t len);
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void buffer_skip_bytes(struct line_buffer *buf, off_t len);
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#endif
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