kopia lustrzana https://github.com/micropython/micropython
57 wiersze
1.2 KiB
C
57 wiersze
1.2 KiB
C
#include <assert.h>
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#include <string.h>
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#include "misc.h"
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static int qstrs_alloc;
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static int qstrs_len;
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static const char **qstrs;
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void qstr_init() {
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qstrs_alloc = 400;
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qstrs_len = 1;
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qstrs = m_new(const char*, qstrs_alloc);
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qstrs[0] = "nil";
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}
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static qstr qstr_add(const char *str) {
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if (qstrs_len >= qstrs_alloc) {
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qstrs_alloc *= 2;
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qstrs = m_renew(const char*, qstrs, qstrs_alloc);
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}
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qstrs[qstrs_len++] = str;
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return qstrs_len - 1;
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}
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qstr qstr_from_str_static(const char *str) {
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for (int i = 0; i < qstrs_len; i++) {
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if (strcmp(qstrs[i], str) == 0) {
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return i;
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}
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}
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return qstr_add(str);
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}
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qstr qstr_from_str_take(char *str) {
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for (int i = 0; i < qstrs_len; i++) {
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if (strcmp(qstrs[i], str) == 0) {
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m_free(str);
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return i;
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}
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}
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return qstr_add(str);
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}
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qstr qstr_from_strn_copy(const char *str, int len) {
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for (int i = 0; i < qstrs_len; i++) {
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if (strncmp(qstrs[i], str, len) == 0 && qstrs[i][len] == '\0') {
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return i;
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}
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}
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return qstr_add(strndup(str, len));
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}
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const char *qstr_str(qstr qstr) {
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return qstrs[qstr];
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}
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