Jason Edmeades : cmd.exe: Allow special named env vars to be modified.
Module: wine Branch: master Commit: 54ba046ad50a8d3aa230e4c8ada23bca91fc0bef URL: http://source.winehq.org/git/wine.git/?a=commit;h=54ba046ad50a8d3aa230e4c8ad... Author: Jason Edmeades <us(a)edmeades.me.uk> Date: Mon Feb 26 23:03:34 2007 +0000 cmd.exe: Allow special named env vars to be modified. --- programs/cmd/wcmdmain.c | 117 +++++++++++++++++++++------------------------- 1 files changed, 53 insertions(+), 64 deletions(-) diff --git a/programs/cmd/wcmdmain.c b/programs/cmd/wcmdmain.c index b7845c7..b753291 100644 --- a/programs/cmd/wcmdmain.c +++ b/programs/cmd/wcmdmain.c @@ -304,7 +304,6 @@ int main (int argc, char *argv[]) void WCMD_process_command (char *command) { char *cmd, *p, *s, *t; - char temp[MAXSTRING]; int status, i; DWORD count, creationDisposition; HANDLE h; @@ -322,12 +321,8 @@ void WCMD_process_command (char *command) /* Additionally: */ /* Expand the DATE, TIME, CD, RANDOM and ERRORLEVEL special */ /* names allowing environment variable overrides */ - - /* FIXME: Winnt would replace %1%fred%1 with first parm, then */ - /* contents of fred, then the digit 1. Would need to remove */ - /* ExpandEnvStrings to achieve this */ - /* NOTE: To support the %PATH:xxx% syntax, also need to do */ - /* manual expansion of environment variables here */ + /* NOTE: To support the %PATH:xxx% syntax, also perform */ + /* manual expansion of environment variables here */ p = new_cmd; while ((p = strchr(p, '%'))) { @@ -356,61 +351,6 @@ void WCMD_process_command (char *command) strcat (p, s); free (s); - /* Handle DATE, TIME, ERRORLEVEL and CD replacements allowing */ - /* override if existing env var called that name */ - } else if ((CompareString (LOCALE_USER_DEFAULT, - NORM_IGNORECASE | SORT_STRINGSORT, - (p+1), 11, "ERRORLEVEL%", -1) == 2) && - (GetEnvironmentVariable("ERRORLEVEL", temp, 1) == 0) && - (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { - sprintf(temp, "%d", errorlevel); - s = strdup (p+12); - strcpy (p, temp); - strcat (p, s); - - } else if ((CompareString (LOCALE_USER_DEFAULT, - NORM_IGNORECASE | SORT_STRINGSORT, - (p+1), 5, "DATE%", -1) == 2) && - (GetEnvironmentVariable("DATE", temp, 1) == 0) && - (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { - - GetDateFormat(LOCALE_USER_DEFAULT, DATE_SHORTDATE, NULL, - NULL, temp, MAXSTRING); - s = strdup (p+6); - strcpy (p, temp); - strcat (p, s); - - } else if ((CompareString (LOCALE_USER_DEFAULT, - NORM_IGNORECASE | SORT_STRINGSORT, - (p+1), 5, "TIME%", -1) == 2) && - (GetEnvironmentVariable("TIME", temp, 1) == 0) && - (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { - GetTimeFormat(LOCALE_USER_DEFAULT, TIME_NOSECONDS, NULL, - NULL, temp, MAXSTRING); - s = strdup (p+6); - strcpy (p, temp); - strcat (p, s); - - } else if ((CompareString (LOCALE_USER_DEFAULT, - NORM_IGNORECASE | SORT_STRINGSORT, - (p+1), 3, "CD%", -1) == 2) && - (GetEnvironmentVariable("CD", temp, 1) == 0) && - (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { - GetCurrentDirectory (MAXSTRING, temp); - s = strdup (p+4); - strcpy (p, temp); - strcat (p, s); - - } else if ((CompareString (LOCALE_USER_DEFAULT, - NORM_IGNORECASE | SORT_STRINGSORT, - (p+1), 7, "RANDOM%", -1) == 2) && - (GetEnvironmentVariable("RANDOM", temp, 1) == 0) && - (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { - sprintf(temp, "%d", rand() % 32768); - s = strdup (p+8); - strcpy (p, temp); - strcat (p, s); - } else { p = WCMD_expand_envvar(p); } @@ -1156,8 +1096,57 @@ static char *WCMD_expand_envvar(char *start) { } /* Expand to contents, if unchanged, return */ - len = ExpandEnvironmentStrings(thisVar, thisVarContents, - sizeof(thisVarContents)); + /* Handle DATE, TIME, ERRORLEVEL and CD replacements allowing */ + /* override if existing env var called that name */ + if ((CompareString (LOCALE_USER_DEFAULT, + NORM_IGNORECASE | SORT_STRINGSORT, + thisVar, 12, "%ERRORLEVEL%", -1) == 2) && + (GetEnvironmentVariable("ERRORLEVEL", thisVarContents, 1) == 0) && + (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { + sprintf(thisVarContents, "%d", errorlevel); + len = strlen(thisVarContents); + + } else if ((CompareString (LOCALE_USER_DEFAULT, + NORM_IGNORECASE | SORT_STRINGSORT, + thisVar, 6, "%DATE%", -1) == 2) && + (GetEnvironmentVariable("DATE", thisVarContents, 1) == 0) && + (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { + + GetDateFormat(LOCALE_USER_DEFAULT, DATE_SHORTDATE, NULL, + NULL, thisVarContents, MAXSTRING); + len = strlen(thisVarContents); + + } else if ((CompareString (LOCALE_USER_DEFAULT, + NORM_IGNORECASE | SORT_STRINGSORT, + thisVar, 6, "%TIME%", -1) == 2) && + (GetEnvironmentVariable("TIME", thisVarContents, 1) == 0) && + (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { + GetTimeFormat(LOCALE_USER_DEFAULT, TIME_NOSECONDS, NULL, + NULL, thisVarContents, MAXSTRING); + len = strlen(thisVarContents); + + } else if ((CompareString (LOCALE_USER_DEFAULT, + NORM_IGNORECASE | SORT_STRINGSORT, + thisVar, 4, "%CD%", -1) == 2) && + (GetEnvironmentVariable("CD", thisVarContents, 1) == 0) && + (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { + GetCurrentDirectory (MAXSTRING, thisVarContents); + len = strlen(thisVarContents); + + } else if ((CompareString (LOCALE_USER_DEFAULT, + NORM_IGNORECASE | SORT_STRINGSORT, + thisVar, 8, "%RANDOM%", -1) == 2) && + (GetEnvironmentVariable("RANDOM", thisVarContents, 1) == 0) && + (GetLastError() == ERROR_ENVVAR_NOT_FOUND)) { + sprintf(thisVarContents, "%d", rand() % 32768); + len = strlen(thisVarContents); + + } else { + + len = ExpandEnvironmentStrings(thisVar, thisVarContents, + sizeof(thisVarContents)); + } + if (len == 0) return endOfVar+1;
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Alexandre Julliard