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msvcrt: Initialize writable environment block in env_set.

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Piotr Caban 2023-11-30 11:41:51 +01:00 • committed by Alexandre Julliard
parent 4843daaee1
commit ae32b2f452
1 changed files with 3 additions and 5 deletions
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8
dlls/msvcrt/environ.c
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@ -155,6 +155,7 @@ static int env_set(char **env, wchar_t **wenv)
GetLastError() != ERROR_ENVVAR_NOT_FOUND)
return -1;
if (env_init(FALSE, TRUE)) return -1;
*eq = 0;
idx = env_get_index(*env);
*eq = '=';
@ -180,6 +181,8 @@ static int env_set(char **env, wchar_t **wenv)
}
if (!MSVCRT__wenviron) return 0;
if (MSVCRT__wenviron == MSVCRT___winitenv)
if (env_init(TRUE, TRUE)) return -1;
idx = wenv_get_index(*wenv);
*weq = '=';
if (!weq[1])
@ -264,11 +267,6 @@ static int putenv_helper(const char *name, const char *val, const char *eq)
char *env;
int r;
_lock(_ENV_LOCK);
r = env_init(FALSE, TRUE);
_unlock(_ENV_LOCK);
if (r) return -1;
if (eq)
{
env = strdup(name);