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HP-UX port: unsetenv() might not exist

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This commit is contained in:
Gerhard Rieger 2008-09-29 21:16:41 +02:00
parent a0435920f6
commit 618170baf3
4 changed files with 13 additions and 1 deletions
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5
config.h.in
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@ -331,7 +331,7 @@
/* Define if you have struct ifreq.ifr_index */ /* Define if you have struct ifreq.ifr_index */
#undef HAVE_STRUCT_IFREQ_IFR_INDEX #undef HAVE_STRUCT_IFREQ_IFR_INDEX
/* Define if you have struct ifreq.ifr_ifindex */ /* Define if you have struct ifreq.ifr_ifindex; not on HPUX */
#undef HAVE_STRUCT_IFREQ_IFR_IFINDEX #undef HAVE_STRUCT_IFREQ_IFR_IFINDEX
/* Define if your struct sockaddr has sa_len */ /* Define if your struct sockaddr has sa_len */
@ -364,6 +364,9 @@
/* Define if you have the setenv function */ /* Define if you have the setenv function */
#undef HAVE_SETENV #undef HAVE_SETENV
/* Define if you have the unsetenv function. not on HP-UX */
#undef HAVE_UNSETENV
/* Define if you have the flock function */ /* Define if you have the flock function */
#undef HAVE_FLOCK #undef HAVE_FLOCK

3
configure.in
View file

@ -1198,6 +1198,9 @@ dnl Search for setenv()
AC_CHECK_FUNC(setenv, AC_DEFINE(HAVE_SETENV), AC_CHECK_FUNC(setenv, AC_DEFINE(HAVE_SETENV),
AC_CHECK_LIB(isode, setenv, [LIBS="-lisode $LIBS"])) AC_CHECK_LIB(isode, setenv, [LIBS="-lisode $LIBS"]))
dnl Search for unsetenv()
AC_CHECK_FUNC(unsetenv, AC_DEFINE(HAVE_UNSETENV))
dnl Run time checks dnl Run time checks

2
sycls.c
View file

@ -1459,6 +1459,7 @@ int Setenv(const char *name, const char *value, int overwrite) {
return result; return result;
} }
#if HAVE_UNSETENV
/* on Linux it returns int but on FreeBSD void. /* on Linux it returns int but on FreeBSD void.
we do not expect many errors, so we take void which works on all systems. */ we do not expect many errors, so we take void which works on all systems. */
void Unsetenv(const char *name) { void Unsetenv(const char *name) {
@ -1470,6 +1471,7 @@ void Unsetenv(const char *name) {
errno = _errno; errno = _errno;
return; return;
} }
#endif
#if WITH_READLINE #if WITH_READLINE

4
sysutils.c
View file

@ -550,7 +550,9 @@ int xiosetenv(const char *varname, const char *value, int overwrite) {
if (Setenv(envname, value, overwrite) < 0) { if (Setenv(envname, value, overwrite) < 0) {
Warn3("setenv(\"%s\", \"%s\", 1): %s", Warn3("setenv(\"%s\", \"%s\", 1): %s",
envname, value, strerror(errno)); envname, value, strerror(errno));
#if HAVE_UNSETENV
Unsetenv(envname); /* dont want to have a wrong value */ Unsetenv(envname); /* dont want to have a wrong value */
#endif
return -1; return -1;
} }
return 0; return 0;
@ -579,7 +581,9 @@ int xiosetenv2(const char *varname, const char *varname2, const char *value,
if (Setenv(envname, value, overwrite) < 0) { if (Setenv(envname, value, overwrite) < 0) {
Warn3("setenv(\"%s\", \"%s\", 1): %s", Warn3("setenv(\"%s\", \"%s\", 1): %s",
envname, value, strerror(errno)); envname, value, strerror(errno));
#if HAVE_UNSETENV
Unsetenv(envname); /* dont want to have a wrong value */ Unsetenv(envname); /* dont want to have a wrong value */
#endif
return -1; return -1;
} }
return 0; return 0;