89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* env.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/05/04 18:32:50 by maiboyer #+# #+# */
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/* Updated: 2024/08/03 16:31:34 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "app/env.h"
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#include "me/string/string.h"
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#include "me/hash/hasher.h"
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#include "me/hashmap/hashmap_env.h"
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#include "me/mem/mem.h"
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#include "me/str/str.h"
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#include "me/str/str.h"
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#include "me/str/str.h"
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#include "me/types.h"
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#include "me/vec/vec_str.h"
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#include <stdlib.h>
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static void _hash_str(t_hasher *hasher, t_str *s)
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{
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t_usize len;
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len = str_len(*s);
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hasher_write_u64(hasher, (t_u64)len);
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hasher_write_bytes(hasher, (t_u8 *)*s, len);
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hasher_write_u8(hasher, 0);
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}
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static bool _cmp_str(t_str *s1, t_str *s2)
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{
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return (str_compare(*s1, *s2));
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}
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static void _free_env(t_kv_env kv)
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{
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if (kv.key)
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mem_free(kv.key);
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if (kv.val)
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mem_free(kv.val);
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}
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t_hashmap_env *create_env_map(void)
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{
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return (hmap_env_new(_hash_str, _cmp_str, _free_env));
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}
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t_error _build_envp_iterator(t_usize idx, const t_str *key, t_str *val,
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void *ctx)
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{
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struct s_build_envp_state *s;
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t_str push;
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t_str *nval;
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(void)(idx);
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s = ctx;
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nval = hmap_env_get(s->tmp_vars, (t_str *)key);
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if (nval == NULL)
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nval = val;
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if (string_push(&s->buf, *key) || string_push(&s->buf, "=") || \
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string_push(&s->buf, *nval))
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return (vec_str_free(s->out), ERROR);
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push = str_clone(s->buf.buf);
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if (vec_str_push(&s->out, push))
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return (string_free(s->buf), ERROR);
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string_clear(&s->buf);
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return (NO_ERROR);
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}
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t_error build_envp(t_hashmap_env *envs, t_hashmap_env *tmp_vars, t_vec_str *envp)
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{
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struct s_build_envp_state state;
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state.tmp_vars = tmp_vars;
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state.buf = string_new(8096);
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state.out = vec_str_new(1024, (void (*)(t_str))mem_free);
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if (hmap_env_iter(envs, _build_envp_iterator, &state))
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return (string_free(state.buf), ERROR);
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if (vec_str_push(&state.out, NULL))
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return (string_free(state.buf), ERROR);
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*envp = state.out;
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string_free(state.buf);
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return (NO_ERROR);
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}
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