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- Added a setenv replacement for systems which lack it

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This commit is contained in:
Damien Miller 1999-11-22 16:11:05 +11:00
parent d71b12ee5b
commit d770252d3a
4 changed files with 27 additions and 1 deletions
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1
ChangeLog
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@ -13,6 +13,7 @@
- Fix EGD problems (Thanks to Ben Taylor <bent@clark.net>) - Fix EGD problems (Thanks to Ben Taylor <bent@clark.net>)
- Retry /dev/urandom reads interrupted by signal (report from - Retry /dev/urandom reads interrupted by signal (report from
Robert Hardy <rhardy@webcon.net>) Robert Hardy <rhardy@webcon.net>)
- Added a setenv replacement for systems which lack it
19991121 19991121
- OpenBSD CVS Changes: - OpenBSD CVS Changes:

2
configure.in
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@ -58,7 +58,7 @@ dnl Checks for header files.
AC_CHECK_HEADERS(pty.h endian.h paths.h lastlog.h shadow.h netgroup.h maillock.h sys/select.h sys/time.h) AC_CHECK_HEADERS(pty.h endian.h paths.h lastlog.h shadow.h netgroup.h maillock.h sys/select.h sys/time.h)
dnl Checks for library functions. dnl Checks for library functions.
AC_CHECK_FUNCS(openpty strlcpy strlcat mkdtemp arc4random setproctitle setlogin) AC_CHECK_FUNCS(openpty strlcpy strlcat mkdtemp arc4random setproctitle setlogin setenv)
AC_CHECK_FUNC(login, AC_CHECK_FUNC(login,
[AC_DEFINE(HAVE_LOGIN)], [AC_DEFINE(HAVE_LOGIN)],

21
helper.c
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@ -149,3 +149,24 @@ void setproctitle(const char *fmt, ...)
/* FIXME */ /* FIXME */
} }
#endif /* !HAVE_SETPROCTITLE */ #endif /* !HAVE_SETPROCTITLE */
#ifndef HAVE_SETENV
int setenv(const char *name, const char *value, int overwrite)
{
char *env_string;
int result;
/* Don't overwrite existing env. var if overwrite is 0 */
if (!overwrite && (getenv(name) != NULL))
return(0);
env_string = xmalloc(strlen(name) + strlen(value) + 2);
sprintf(env_string, "%s=%s", name, value);
result = putenv(env_string);
xfree(env_string);
return(result);
}
#endif /* !HAVE_SETENV */

4
helper.h
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@ -47,4 +47,8 @@ void arc4random_stir(void);
void setproctitle(const char *fmt, ...); void setproctitle(const char *fmt, ...);
#endif /* !HAVE_SETPROCTITLE */ #endif /* !HAVE_SETPROCTITLE */
#ifndef HAVE_SETENV
int setenv(const char *name, const char *value, int overwrite);
#endif /* !HAVE_SETENV */
#endif /* _HELPER_H */ #endif /* _HELPER_H */