59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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typedef struct {
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uint8_t octet1;
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uint8_t octet2;
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uint8_t octet3;
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uint8_t octet4;
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} quartet;
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int main ( int argc, char **argv)
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{
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int i;
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char buff[26];
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char buff2[18];
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int32_t values[8];
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uint32_t valbin[8];
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quartet value;
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while (fread(&buff, 26, 1, stdin)) {
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/*buff[25] = '\0';*/
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if (strncmp(buff, "#################\n", (size_t)18) == 0) {
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if (!(fread(&buff2, 18, 1, stdin))) {
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fprintf(stderr, "Erreur lesture après ###...#");
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return(1);
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} else {
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/*buff2[17] = '\0';*/
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strncpy(buff, &buff[18], 8);
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strncpy(&buff[8], buff2, 18);
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}
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}
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i = 3;
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value.octet1 = buff[3*i+1];
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value.octet2 = buff[3*i+2];
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value.octet3 = buff[3*i+3];
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value.octet4 = 0;
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/*memcpy(&values[i], &value, sizeof(quartet));*/
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valbin[i] = buff[3*i+1]*256*256*256 + buff[3*i+2]*256*256 + buff[3*i+3]*256;
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memcpy(&values[i], &valbin[i], sizeof(int32_t));
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if (value.octet1 & 0b10000000) {
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printf("Valeur négative trouvée: %02x %02x %02x %d\n", value.octet1, value.octet2, value.octet3, values[i]);
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}
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fprintf(stdout, "%02x %02x %02x %d", value.octet1, value.octet2, value.octet3, values[i]/256);
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/*
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for (i=1; i<25; i++) {
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fprintf(stdout, "%02x ", buff[i]);
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}
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*/
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printf("\n");
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}
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}
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