mirror of
https://github.com/reactos/reactos.git
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184 lines
5.5 KiB
C
184 lines
5.5 KiB
C
/*
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* File source.c - source files management
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*
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* Copyright (C) 2004, Eric Pouech.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "dbghelp_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
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/******************************************************************
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* source_find
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*
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* check whether a source file has already been stored
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*/
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static unsigned source_find(const struct module* module, const char* name)
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{
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char* ptr = module->sources;
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while (*ptr)
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{
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if (strcmp(ptr, name) == 0) return ptr - module->sources;
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ptr += strlen(ptr) + 1;
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}
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return (unsigned)-1;
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}
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/******************************************************************
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* source_new
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*
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* checks if source exists. if not, add it
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*/
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unsigned source_new(struct module* module, const char* base, const char* name)
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{
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unsigned ret;
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const char* full;
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char* tmp = NULL;
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if (!name) return (unsigned)-1;
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if (!base || *name == '/')
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full = name;
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else
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{
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unsigned bsz = strlen(base);
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tmp = HeapAlloc(GetProcessHeap(), 0, bsz + 1 + strlen(name) + 1);
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if (!tmp) return (unsigned)-1;
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full = tmp;
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strcpy(tmp, base);
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if (tmp[bsz - 1] != '/') tmp[bsz++] = '/';
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strcpy(&tmp[bsz], name);
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}
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if (!module->sources || (ret = source_find(module, full)) == (unsigned)-1)
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{
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int len = strlen(full) + 1;
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if (module->sources_used + len + 1 > module->sources_alloc)
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{
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if (!module->sources)
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{
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module->sources_alloc = (module->sources_used + len + 1 + 255) & ~255;
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module->sources = HeapAlloc(GetProcessHeap(), 0, module->sources_alloc);
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}
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else
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{
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module->sources_alloc = max( module->sources_alloc * 2,
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(module->sources_used + len + 1 + 255) & ~255 );
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module->sources = HeapReAlloc(GetProcessHeap(), 0, module->sources,
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module->sources_alloc);
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}
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}
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ret = module->sources_used;
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memcpy(module->sources + module->sources_used, full, len);
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module->sources_used += len;
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module->sources[module->sources_used] = '\0';
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}
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HeapFree(GetProcessHeap(), 0, tmp);
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return ret;
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}
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/******************************************************************
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* source_get
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*
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* returns a stored source file name
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*/
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const char* source_get(const struct module* module, unsigned idx)
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{
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if (idx == -1) return "";
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assert(module->sources);
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return module->sources + idx;
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}
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/******************************************************************
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* SymEnumSourceFiles (DBGHELP.@)
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*
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*/
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BOOL WINAPI SymEnumSourceFiles(HANDLE hProcess, ULONG64 ModBase, PCSTR Mask,
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PSYM_ENUMSOURCEFILES_CALLBACK cbSrcFiles,
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PVOID UserContext)
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{
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struct module_pair pair;
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SOURCEFILE sf;
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char* ptr;
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if (!cbSrcFiles) return FALSE;
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pair.pcs = process_find_by_handle(hProcess);
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if (!pair.pcs) return FALSE;
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if (ModBase)
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{
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pair.requested = module_find_by_addr(pair.pcs, ModBase, DMT_UNKNOWN);
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if (!module_get_debug(&pair)) return FALSE;
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}
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else
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{
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if (Mask[0] == '!')
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{
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pair.requested = module_find_by_nameA(pair.pcs, Mask + 1);
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if (!module_get_debug(&pair)) return FALSE;
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}
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else
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{
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FIXME("Unsupported yet (should get info from current context)\n");
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return FALSE;
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}
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}
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if (!pair.effective->sources) return FALSE;
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for (ptr = pair.effective->sources; *ptr; ptr += strlen(ptr) + 1)
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{
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/* FIXME: not using Mask */
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sf.ModBase = ModBase;
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sf.FileName = ptr;
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if (!cbSrcFiles(&sf, UserContext)) break;
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}
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return TRUE;
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}
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/******************************************************************
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* SymGetSourceFileToken (DBGHELP.@)
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*
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*/
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BOOL WINAPI SymGetSourceFileToken(HANDLE hProcess, ULONG64 base,
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PCSTR src, PVOID* token, DWORD* size)
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{
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FIXME("%p %s %s %p %p: stub!\n",
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hProcess, wine_dbgstr_longlong(base), debugstr_a(src), token, size);
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SetLastError(ERROR_NOT_SUPPORTED);
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return FALSE;
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}
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/******************************************************************
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* SymGetSourceFileTokenW (DBGHELP.@)
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*
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*/
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BOOL WINAPI SymGetSourceFileTokenW(HANDLE hProcess, ULONG64 base,
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PCWSTR src, PVOID* token, DWORD* size)
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{
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FIXME("%p %s %s %p %p: stub!\n",
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hProcess, wine_dbgstr_longlong(base), debugstr_w(src), token, size);
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SetLastError(ERROR_NOT_SUPPORTED);
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return FALSE;
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}
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