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https://git.tartarus.org/simon/putty.git
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c87fa98d09
by ceasing to listen on input channels if the corresponding output channel isn't accepting data. Has had basic check-I-didn't-actually- break-anything-too-badly testing, but hasn't been genuinely tested in stress conditions (because concocting stress conditions is non- trivial). [originally from svn r1198]
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#ifndef PUTTY_MISC_H
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#define PUTTY_MISC_H
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#include "puttymem.h"
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struct bufchain_granule;
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typedef struct bufchain_tag {
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struct bufchain_granule *head, *tail;
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int buffersize; /* current amount of buffered data */
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} bufchain;
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void bufchain_init(bufchain *ch);
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void bufchain_clear(bufchain *ch);
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int bufchain_size(bufchain *ch);
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void bufchain_add(bufchain *ch, void *data, int len);
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void bufchain_prefix(bufchain *ch, void **data, int *len);
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void bufchain_consume(bufchain *ch, int len);
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/*
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* Debugging functions.
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*
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* Output goes to debug.log
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*
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* debug(()) (note the double brackets) is like printf().
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*
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* dmemdump() and dmemdumpl() both do memory dumps. The difference
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* is that dmemdumpl() is more suited for when where the memory is is
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* important (say because you'll be recording pointer values later
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* on). dmemdump() is more concise.
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*/
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#ifdef DEBUG
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void dprintf(char *fmt, ...);
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void debug_memdump(void *buf, int len, int L);
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#define debug(x) (dprintf x)
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#define dmemdump(buf,len) debug_memdump (buf, len, 0);
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#define dmemdumpl(buf,len) debug_memdump (buf, len, 1);
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#else
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#define debug(x)
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#define dmemdump(buf,len)
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#define dmemdumpl(buf,len)
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#endif
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#ifndef lenof
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#define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
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#endif
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#endif
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