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/*****************************************************************************/
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/*****************************************************************************/
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#include <dalist/dalist.h>
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#include "dalist_impl.h"
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dalist_api
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int dalist_debug_setup(
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struct dalist_ex * dlist,
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struct dalist_debug * dlist_debug,
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enum dalist_dbgenv dbgenv,
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dalist_sprintf * pfn_sprintf,
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dalist_write * pfn_write,
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dalist_write_file * pfn_write_file)
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{
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if (dlist)
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/* in case we fail */
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dlist->debug = 0;
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else
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return DALIST_ELIST;
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if (!dlist_debug)
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return DALIST_EDEBUGSTRUCT;
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else if (!pfn_sprintf)
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return DALIST_EDEBUGSPRINTF;
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switch (dbgenv) {
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case DALIST_DEBUG_ENV_POSIX:
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if (!pfn_write)
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return DALIST_EDEBUGWRITE;
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break;
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case DALIST_DEBUG_ENV_NT:
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if (!pfn_write_file)
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return DALIST_EDEBUGWRITEFILE;
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break;
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default:
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return DALIST_EDEBUGENV;
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}
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dlist_debug->dbgenv = dbgenv;
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dlist_debug->sprintf = pfn_sprintf;
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dlist_debug->write = pfn_write;
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dlist_debug->zw_write_file = pfn_write_file;
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dlist->debug = dlist_debug;
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return DALIST_OK;
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}
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static const char dalist_fmt_header_32[] =
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"dlist:\t\t0x%08x\n"
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"dlist->head:\t0x%08x\n"
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"dlist->tail:\t0x%08x\n\n";
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static const char dalist_fmt_header_64[] =
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"dlist:\t\t0x%016x\n"
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"dlist->head:\t0x%016x\n"
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"dlist->tail:\t0x%016x\n\n";
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static const char dalist_fmt_node_32[] =
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"node: 0x%08x\t"
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"prev: 0x%08x\t"
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"next: 0x%08x\t"
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"any: 0x%08x\t\n";
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static const char dalist_fmt_node_64[] =
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"node: 0x%016x\t"
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"prev: 0x%016x\t"
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"next: 0x%016x\t"
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"any: 0x%016x\t\n";
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static const char * dalist_fmt_headers[2] = {
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dalist_fmt_header_32,
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dalist_fmt_header_64
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};
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static const char * dalist_fmt_nodes[2] = {
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dalist_fmt_node_32,
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dalist_fmt_node_64
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};
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static int dalist_dbg_write_posix(
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struct dalist_ex * dlist,
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intptr_t fildes_or_hfile,
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const void * buf,
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size_t nbyte)
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{
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int fildes;
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dalist_write * pfn_write;
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ssize_t bytes_written;
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fildes = (int)fildes_or_hfile;
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pfn_write = (dalist_write *)dlist->debug->write;
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bytes_written = pfn_write(fildes,buf,nbyte);
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if (bytes_written < 0)
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return DALIST_EDEBUGENV;
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else if (bytes_written == (ssize_t)nbyte)
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return DALIST_OK;
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else
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return DALIST_EDEBUGENV;
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}
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static int dalist_dbg_write_nt(
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struct dalist_ex * dlist,
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intptr_t fildes_or_hfile,
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const void * buf,
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size_t nbyte)
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{
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void * hfile;
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struct dalist_iosb iosb;
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dalist_write_file * pfn_write_file;
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hfile = (void *)fildes_or_hfile;
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pfn_write_file = (dalist_write_file *)dlist->debug->zw_write_file;
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return pfn_write_file(
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hfile,
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(void *)0,
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(void *)0,
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(void *)0,
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&iosb,
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(void *)buf,
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(uint32_t)nbyte,
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(int64_t *)0,
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(uint32_t *)0);
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}
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dalist_api
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int dalist_debug_print(
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struct dalist_ex * dlist,
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intptr_t fildes_or_hfile)
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{
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const char * fmt_header;
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const char * fmt_node;
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char dbg_buf[128];
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intptr_t nbyte;
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int status;
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struct dalist_node * node;
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dalist_sprintf * dbg_sprintf;
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dalist_dbg_write * dbg_write;
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if (!dlist)
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return DALIST_ELIST;
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else if (!dlist->debug)
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return DALIST_EDEBUGENV;
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dbg_sprintf = (dalist_sprintf *)dlist->debug->sprintf;
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fmt_header = dalist_fmt_headers[(sizeof(size_t)-4)/4];
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fmt_node = dalist_fmt_nodes[(sizeof(size_t)-4)/4];
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if (dlist->debug->dbgenv == DALIST_DEBUG_ENV_POSIX)
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dbg_write = dalist_dbg_write_posix;
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else if (dlist->debug->dbgenv == DALIST_DEBUG_ENV_NT)
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dbg_write = dalist_dbg_write_nt;
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else
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dbg_write = 0;
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if ((!dbg_sprintf) || (!dbg_write))
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return DALIST_EDEBUGENV;
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/* print list header */
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nbyte = dbg_sprintf((char *)dbg_buf,fmt_header,dlist,dlist->head,dlist->tail);
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if (nbyte < 0)
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return DALIST_EDEBUGENV;
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status = dbg_write(dlist,fildes_or_hfile,dbg_buf,nbyte);
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if (status != NT_STATUS_SUCCESS)
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return DALIST_EDEBUGENV;
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/* print node information */
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status = DALIST_OK;
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node = (struct dalist_node *)dlist->head;
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while (node && (status == DALIST_OK)) {
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/* create output line */
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nbyte = dbg_sprintf(
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(char *)dbg_buf,
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fmt_node,
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node,
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node->prev,
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node->next,
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node->any);
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if (nbyte < 0)
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return DALIST_EDEBUGENV;
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/* write output line */
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status = dbg_write(
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dlist,
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fildes_or_hfile,
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dbg_buf,
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nbyte);
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node = node->next;
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}
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return DALIST_OK;
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}
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