diff options
Diffstat (limited to 'win/nmakehlp.c')
| -rw-r--r-- | win/nmakehlp.c | 131 |
1 files changed, 118 insertions, 13 deletions
diff --git a/win/nmakehlp.c b/win/nmakehlp.c index 821d00b..7536ede 100644 --- a/win/nmakehlp.c +++ b/win/nmakehlp.c @@ -14,13 +14,8 @@ #define _CRT_SECURE_NO_DEPRECATE #include <windows.h> -#define NO_SHLWAPI_GDI -#define NO_SHLWAPI_STREAM -#define NO_SHLWAPI_REG -#include <shlwapi.h> #pragma comment (lib, "user32.lib") #pragma comment (lib, "kernel32.lib") -#pragma comment (lib, "shlwapi.lib") #include <stdio.h> #include <math.h> @@ -46,6 +41,7 @@ static int CheckForLinkerFeature(const char **options, int count); static int IsIn(const char *string, const char *substring); static int SubstituteFile(const char *substs, const char *filename); static int QualifyPath(const char *path); +static int LocateDependency(const char *keyfile); static const char *GetVersionFromFile(const char *filename, const char *match, int numdots); static DWORD WINAPI ReadFromPipe(LPVOID args); @@ -171,6 +167,18 @@ main( return 2; } return QualifyPath(argv[2]); + + case 'L': + if (argc != 3) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -L keypath\n" + "Emit the fully qualified path of directory containing keypath\n" + "exitcodes: 0 == success, 1 == not found, 2 == error\n", argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 2; + } + return LocateDependency(argv[2]); } } chars = snprintf(msg, sizeof(msg) - 1, @@ -635,7 +643,7 @@ SubstituteFile( } /* debug: dump the list */ -#ifdef _DEBUG +#ifndef NDEBUG { int n = 0; list_item_t *p = NULL; @@ -675,6 +683,17 @@ SubstituteFile( return 0; } +BOOL FileExists(LPCTSTR szPath) +{ +#ifndef INVALID_FILE_ATTRIBUTES + #define INVALID_FILE_ATTRIBUTES ((DWORD)-1) +#endif + DWORD pathAttr = GetFileAttributes(szPath); + return (pathAttr != INVALID_FILE_ATTRIBUTES && + !(pathAttr & FILE_ATTRIBUTE_DIRECTORY)); +} + + /* * QualifyPath -- * @@ -688,18 +707,104 @@ QualifyPath( const char *szPath) { char szCwd[MAX_PATH + 1]; - char szTmp[MAX_PATH + 1]; - char *p; - GetCurrentDirectory(MAX_PATH, szCwd); - while ((p = strchr(szPath, '/')) && *p) - *p = '\\'; - PathCombine(szTmp, szCwd, szPath); - PathCanonicalize(szCwd, szTmp); + + GetFullPathName(szPath, sizeof(szCwd)-1, szCwd, NULL); printf("%s\n", szCwd); return 0; } /* + * Implements LocateDependency for a single directory. See that command + * for an explanation. + * Returns 0 if found after printing the directory. + * Returns 1 if not found but no errors. + * Returns 2 on any kind of error + * Basically, these are used as exit codes for the process. + */ +static int LocateDependencyHelper(const char *dir, const char *keypath) +{ + HANDLE hSearch; + char path[MAX_PATH+1]; + int dirlen, keylen, ret; + WIN32_FIND_DATA finfo; + + if (dir == NULL || keypath == NULL) + return 2; /* Have no real error reporting mechanism into nmake */ + dirlen = strlen(dir); + if ((dirlen + 3) > sizeof(path)) + return 2; + strncpy(path, dir, dirlen); + strncpy(path+dirlen, "\\*", 3); /* Including terminating \0 */ + keylen = strlen(keypath); + +#if 0 /* This function is not available in Visual C++ 6 */ + /* + * Use numerics 0 -> FindExInfoStandard, + * 1 -> FindExSearchLimitToDirectories, + * as these are not defined in Visual C++ 6 + */ + hSearch = FindFirstFileEx(path, 0, &finfo, 1, NULL, 0); +#else + hSearch = FindFirstFile(path, &finfo); +#endif + if (hSearch == INVALID_HANDLE_VALUE) + return 1; /* Not found */ + + /* Loop through all subdirs checking if the keypath is under there */ + ret = 1; /* Assume not found */ + do { + int sublen; + /* + * We need to check it is a directory despite the + * FindExSearchLimitToDirectories in the above call. See SDK docs + */ + if ((finfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0) + continue; + sublen = strlen(finfo.cFileName); + if ((dirlen+1+sublen+1+keylen+1) > sizeof(path)) + continue; /* Path does not fit, assume not matched */ + strncpy(path+dirlen+1, finfo.cFileName, sublen); + path[dirlen+1+sublen] = '\\'; + strncpy(path+dirlen+1+sublen+1, keypath, keylen+1); + if (FileExists(path)) { + /* Found a match, print to stdout */ + path[dirlen+1+sublen] = '\0'; + QualifyPath(path); + ret = 0; + break; + } + } while (FindNextFile(hSearch, &finfo)); + FindClose(hSearch); + return ret; +} + +/* + * LocateDependency -- + * + * Locates a dependency for a package. + * keypath - a relative path within the package directory + * that is used to confirm it is the correct directory. + * The search path for the package directory is currently only + * the parent and grandparent of the current working directory. + * If found, the command prints + * name_DIRPATH=<full path of located directory> + * and returns 0. If not found, does not print anything and returns 1. + */ +static int LocateDependency(const char *keypath) +{ + int i, ret; + static const char *paths[] = {"..", "..\\..", "..\\..\\.."}; + + for (i = 0; i < (sizeof(paths)/sizeof(paths[0])); ++i) { + ret = LocateDependencyHelper(paths[i], keypath); + if (ret == 0) + return ret; + } + return ret; +} + + +/* * Local variables: * mode: c * c-basic-offset: 4 |