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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-08-05 15:13:08 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-08-05 18:11:15 +0200 |
| commit | fd6f295a98956b7f495ba09a56528ef9e0d51398 (patch) | |
| tree | 1c2f6de4e58b0b25ec43923c242d13f684146d2c /shell | |
| parent | e9dccab9f4bf3311ae50f19e39e7e499b25edca2 (diff) | |
| download | busybox-fd6f295a98956b7f495ba09a56528ef9e0d51398.tar.gz | |
hush: set IFS to default on startup
function old new delta
hush_main 1095 1110 +15
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/hush.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/shell/hush.c b/shell/hush.c index c4b124825..4c8814a01 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -2397,6 +2397,12 @@ static int set_local_var(char *str, unsigned flags) return 0; } +static void FAST_FUNC set_local_var_from_halves(const char *name, const char *val) +{ + char *var = xasprintf("%s=%s", name, val); + set_local_var(var, /*flag:*/ 0); +} + /* Used at startup and after each cd */ static void set_pwd_var(unsigned flag) { @@ -2443,15 +2449,6 @@ static int unset_local_var(const char *name) } #endif -#if BASH_HOSTNAME_VAR || ENABLE_FEATURE_SH_MATH || ENABLE_HUSH_READ || ENABLE_HUSH_GETOPTS \ - || (ENABLE_HUSH_INTERACTIVE && ENABLE_FEATURE_EDITING_FANCY_PROMPT) -static void FAST_FUNC set_local_var_from_halves(const char *name, const char *val) -{ - char *var = xasprintf("%s=%s", name, val); - set_local_var(var, /*flag:*/ 0); -} -#endif - /* * Helpers for "var1=val1 var2=val2 cmd" feature @@ -9854,6 +9851,10 @@ int hush_main(int argc, char **argv) uname(&uts); set_local_var_from_halves("HOSTNAME", uts.nodename); } +#endif + /* IFS is not inherited from the parent environment */ + set_local_var_from_halves("IFS", defifs); + /* bash also exports SHLVL and _, * and sets (but doesn't export) the following variables: * BASH=/bin/bash @@ -9884,10 +9885,8 @@ int hush_main(int argc, char **argv) * TERM=dumb * OPTERR=1 * OPTIND=1 - * IFS=$' \t\n' * PS4='+ ' */ -#endif #if ENABLE_HUSH_LINENO_VAR if (ENABLE_HUSH_LINENO_VAR) { |