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feat(exec): Added the unset builtin

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Jean 2026-01-31 18:17:43 +01:00
parent 17f8b918c8
commit 1f4742e17b
1 changed files with 20 additions and 0 deletions
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20
src/execution/execution_helpers.c
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@ -125,6 +125,7 @@ static int try_builtin(char **argv, struct hash_map *vars);
static int builtin_break(char **argv); static int builtin_break(char **argv);
static int builtin_continue(char **argv); static int builtin_continue(char **argv);
static int builtin_unset(char **argv, struct hash_map *vars);
static int exec_assignment(struct list *assignment_list, struct hash_map *vars) static int exec_assignment(struct list *assignment_list, struct hash_map *vars)
{ {
@ -487,6 +488,23 @@ static int builtin_cd(char **argv, struct hash_map *vars)
return 0; return 0;
} }
static int builtin_unset(char **argv, struct hash_map *vars)
{
if (!argv)
return 0;
for (int i = 1; argv[i]; i++)
{
const char *name = argv[i];
if (name == NULL || name[0] == '\0')
continue;
// remove from shell variables
hash_map_remove(vars, name);
// remove from environment variables
unsetenv(name);
}
return 0;
}
/** /**
* @brief Tries to execute a builtin command if the command matches a builtin * @brief Tries to execute a builtin command if the command matches a builtin
* *
@ -500,6 +518,8 @@ static int try_builtin(char **argv, struct hash_map *vars)
if (strcmp(argv[0], "echo") == 0) if (strcmp(argv[0], "echo") == 0)
return builtin_echo(argv); return builtin_echo(argv);
if (strcmp(argv[0], "unset") == 0)
return builtin_unset(argv, vars);
if (strcmp(argv[0], "true") == 0) if (strcmp(argv[0], "true") == 0)
return builtin_true(argv); return builtin_true(argv);
if (strcmp(argv[0], "false") == 0) if (strcmp(argv[0], "false") == 0)