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Patch from Shaun Jackman to detect "name=value" variable assignments. Random

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cleanup at the end by me to make some unrelated #ifdefs go away...
This commit is contained in:
Rob Landley 2006-06-13 19:01:30 +00:00
parent f946379599
commit 68286770b6
1 changed files with 11 additions and 10 deletions
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21
shell/lash.c
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@ -1182,9 +1182,12 @@ static int parse_command(char **command_ptr, struct job *job, int *inbg)
static int pseudo_exec(struct child_prog *child)
{
struct built_in_command *x;
#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
char *name;
#endif
/* Check if the command sets an environment variable. */
if( strchr(child->argv[0], '=') != NULL ) {
child->argv[1] = child->argv[0];
_exit(builtin_export(child));
}
/* Check if the command matches any of the non-forking builtins.
* Depending on context, this might be redundant. But it's
@ -1204,7 +1207,7 @@ static int pseudo_exec(struct child_prog *child)
_exit (x->function(child));
}
}
#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
/* Check if the command matches any busybox internal
* commands ("applets") here. Following discussions from
* November 2000 on busybox@busybox.net, don't use
@ -1216,17 +1219,15 @@ static int pseudo_exec(struct child_prog *child)
* /bin/foo invocation will fork and exec /bin/foo, even if
* /bin/foo is a symlink to busybox.
*/
name = child->argv[0];
{
char** argv_l=child->argv;
if (ENABLE_FEATURE_SH_STANDALONE_SHELL) {
char **argv_l = child->argv;
int argc_l;
for(argc_l=0;*argv_l!=NULL; argv_l++, argc_l++);
for(argc_l=0; *argv_l; argv_l++, argc_l++);
optind = 1;
run_applet_by_name(name, argc_l, child->argv);
run_applet_by_name(child->argv[0], argc_l, child->argv);
}
#endif
execvp(child->argv[0], child->argv);