dbghelp: Correctly setup the Unix regular expression for matching file names in SymEnumLines.
Plug a potential memory leak as well.
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b5ffe31d22
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418a001e00
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@ -154,6 +154,55 @@ BOOL WINAPI SymEnumSourceFiles(HANDLE hProcess, ULONG64 ModBase, PCSTR Mask,
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return TRUE;
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}
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static inline void re_append(char** mask, unsigned* len, char ch)
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{
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*mask = HeapReAlloc(GetProcessHeap(), 0, *mask, ++(*len));
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(*mask)[*len - 2] = ch;
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}
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static BOOL compile_regex(regex_t* re, const char* srcfile)
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{
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char* mask;
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unsigned len = 1;
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mask = HeapAlloc(GetProcessHeap(), 0, 1);
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re_append(&mask, &len, '^');
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if (!srcfile || !*srcfile) re_append(&mask, &len, '*');
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else while (*srcfile)
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{
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switch (*srcfile)
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{
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case '\\':
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case '/':
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re_append(&mask, &len, '[');
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re_append(&mask, &len, '\\');
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re_append(&mask, &len, '\\');
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re_append(&mask, &len, '/');
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re_append(&mask, &len, ']');
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break;
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case '.':
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re_append(&mask, &len, '\\');
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re_append(&mask, &len, '.');
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break;
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default:
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re_append(&mask, &len, *srcfile);
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break;
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}
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srcfile++;
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}
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re_append(&mask, &len, '$');
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mask[len - 1] = '\0';
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len = regcomp(re, mask, REG_NOSUB);
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HeapFree(GetProcessHeap(), 0, mask);
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if (len)
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{
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FIXME("Couldn't compile %s\n", mask);
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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return TRUE;
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}
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/******************************************************************
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* SymEnumLines (DBGHELP.@)
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*
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@ -172,17 +221,13 @@ BOOL WINAPI SymEnumLines(HANDLE hProcess, ULONG64 base, PCSTR compiland,
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if (!cb) return FALSE;
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if (!(dbghelp_options & SYMOPT_LOAD_LINES)) return TRUE;
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if (regcomp(&re, srcfile, REG_NOSUB))
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{
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FIXME("Couldn't compile %s\n", srcfile);
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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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 (compiland) FIXME("Unsupported yet (filtering on compiland %s)\n", compiland);
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pair.requested = module_find_by_addr(pair.pcs, base, DMT_UNKNOWN);
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if (!module_get_debug(&pair)) return FALSE;
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if (!compile_regex(&re, srcfile)) return FALSE;
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sci.SizeOfStruct = sizeof(sci);
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sci.ModBase = base;
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@ -215,6 +260,7 @@ BOOL WINAPI SymEnumLines(HANDLE hProcess, ULONG64 base, PCSTR compiland,
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}
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}
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}
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regfree(&re);
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return TRUE;
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}
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