123 lines
2.3 KiB
C++
123 lines
2.3 KiB
C++
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#include <stdint.h>
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int strlen(char *s) {
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char *p = s;
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while (*p != '\0')
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p++;
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return p - s;
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}
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void strcpy(char *s, char *t)
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{
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while (*s++ = *t++);
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}
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#define ALLOCSIZE 10000
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static char allocbuf[ALLOCSIZE];
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static char *allocp = allocbuf;
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char *alloc(int n)
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{
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if (n % 4 != 0) {
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n += 4 - (n % 4);
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}
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if (allocbuf + ALLOCSIZE - allocp >= n) {
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allocp += n;
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return allocp - n;
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} else
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return 0;
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}
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// def. model danych
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//pre processor
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#define LEN (8+2)*10
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struct model {
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char * str;
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uint32_t len ;
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};
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//alg
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// prosta implementacji func. z bibl. std. strok przy uzyciu gpt3.5
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//
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#define NULL ((void*) 0)
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//
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// Funkcja pomocnicza do sprawdzania, czy znak jest wśród delimiterów
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bool is_delim(char c, const char *delims) {
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while (*delims) {
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if (c == *delims) {
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return true;
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}
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delims++;
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}
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return false;
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}
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// Najprostsza implementacja funkcji strtok
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char *simple_strtok(char *str, const char *delims) {
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static char *static_str = (char *) NULL; // Przechowuje wskaźnik do bieżącej pozycji w ciągu
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// Jeśli przekazano nowy ciąg, zaktualizuj static_str
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if (str != NULL) {
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static_str = str;
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}
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// Jeśli static_str jest NULL, zwróć NULL
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if (static_str == NULL) {
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return (char *) NULL;
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}
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// Pomiń początkowe delimitery
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while (*static_str && is_delim(*static_str, delims)) {
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static_str++;
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}
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// Jeśli doszliśmy do końca ciągu, zwróć NULL
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if (*static_str == '\0') {
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return (char *) NULL;
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}
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// Zapisz początek tokenu
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char *token_start = static_str;
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// Znajdź koniec tokenu
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while (*static_str && !is_delim(*static_str, delims)) {
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static_str++;
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}
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// Jeśli znaleziono delimitery, zamień je na '\0' i zaktualizuj static_str
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if (*static_str) {
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*static_str = '\0';
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static_str++;
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}
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// Zwróć początek tokenu
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return token_start;
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}
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////func alg
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//in: ptr to date
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//return: count of words
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int alg (const char * ptr) {
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return 1;
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}
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int main() {
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char *str = "If wantered relation no surprise of all";
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struct model * ptr = (struct model *) alloc (LEN);
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return 1;
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}
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