diff options
Diffstat (limited to 'generic/tclEnv.c')
| -rw-r--r-- | generic/tclEnv.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/generic/tclEnv.c b/generic/tclEnv.c index 4e5854e..f601da5 100644 --- a/generic/tclEnv.c +++ b/generic/tclEnv.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclEnv.c,v 1.4 1999/04/16 00:46:46 stanton Exp $ + * RCS: @(#) $Id: tclEnv.c,v 1.5 1999/10/13 00:32:17 hobbs Exp $ */ #include "tclInt.h" @@ -225,23 +225,23 @@ TclSetEnv(name, value) p[nameLength] = '='; strcpy(p+nameLength+1, value); p2 = Tcl_UtfToExternalDString(NULL, p, -1, &envString); - ckfree(p); + + /* + * Copy the native string to heap memory. + */ + p = (char *) ckrealloc(p, (unsigned) (strlen(p2) + 1)); + strcpy(p, p2); + Tcl_DStringFree(&envString); #ifdef USE_PUTENV /* * Update the system environment. */ - putenv(p2); + putenv(p); index = TclpFindVariable(name, &length); #else - /* - * Copy the native string to heap memory. - */ - - p = (char *) ckalloc((unsigned) (strlen(p2) + 1)); - strcpy(p, p2); environ[index] = p; #endif @@ -251,9 +251,7 @@ TclSetEnv(name, value) * update the string in the cache. */ - if (environ[index] != p) { - Tcl_DStringFree(&envString); - } else { + if (environ[index] == p) { ReplaceString(oldValue, p); } @@ -381,8 +379,10 @@ TclUnsetEnv(name) string[length+1] = '\0'; Tcl_UtfToExternalDString(NULL, string, -1, &envString); - ckfree(string); - string = Tcl_DStringValue(&envString); + string = ckrealloc(string, (unsigned) (Tcl_DStringLength(&envString)+1)); + strcpy(string, Tcl_DStringValue(&envString)); + Tcl_DStringFree(&envString); + putenv(string); /* @@ -391,9 +391,7 @@ TclUnsetEnv(name) * update the string in the cache. */ - if (environ[index] != string) { - Tcl_DStringFree(&envString); - } else { + if (environ[index] == string) { ReplaceString(oldValue, string); } #else @@ -663,7 +661,3 @@ TclFinalizeEnvironment() #endif } } - - - - |