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53 lines
1.3 KiB
53 lines
1.3 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define INTS_START_SIZE 8
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#define INTS_DELIM " \t\n"
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#define BUF_SIZE 1024
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size_t read_ints(char *str, int **ints) {
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if (str == NULL) {
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return 0;
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}
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size_t size = INTS_START_SIZE;
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*ints = malloc(INTS_START_SIZE * sizeof *ints);
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if (*ints == NULL) {
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return 0;
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}
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size_t i = 0;
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char *toksave, *end;
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long int tmp;
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char *tok = strtok_r(str, INTS_DELIM, &toksave);
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while (tok != NULL) {
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tmp = strtol(tok, &end, 10);
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if (*end == '\0' || isspace(*end)) { // valid number found
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if (i == size) {
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// If we have filled array, double its size
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size *= 2;
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*ints = realloc(*ints, size * sizeof *ints);
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if (*ints == NULL) {
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return 0;
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}
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}
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// store in array
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(*ints)[i] = tmp;
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i++;
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}
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tok = strtok_r(NULL, INTS_DELIM, &toksave);
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}
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return i;
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}
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int main(int argc, char **argv) {
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char buf[BUF_SIZE];
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fgets(buf, BUF_SIZE, stdin);
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int *ints;
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size_t numints = read_ints(buf, &ints);
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int i;
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for (i = 0; i < numints; i++) {
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printf("%d\n", ints[i]);
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}
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return 0;
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}
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