56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/*
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This is a personal academic project. Dear PVS-Studio, please check it.
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PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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*/
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#define _POSIX_C_SOURCE 200112L
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "error.h"
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#include "shr_mem.h"
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#include "siglib.h"
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#include "view.h"
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int main(int argc, char * argv[]) {
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char amount[MAX_AMOUNT_SIZE] = {0};
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char masterPid[MAX_PID_SIZE] = {0};
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switch (argc) {
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case 1:
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fgets(amount, MAX_AMOUNT_SIZE, stdin);
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amount[strcspn(amount, "\n")] = '\0';
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fgets(masterPid, MAX_PID_SIZE, stdin);
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masterPid[strcspn(masterPid, "\n")] = '\0';
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break;
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case 3:
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strncpy(amount, argv[1], MAX_AMOUNT_SIZE - 1);
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strncpy(masterPid, argv[2], MAX_PID_SIZE - 1);
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amount[MAX_AMOUNT_SIZE - 1] = '\0';
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masterPid[MAX_PID_SIZE - 1] = '\0';
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break;
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default:
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printError("View must receive the amount of files and the pid of master process by argument or stdin -- ERROR");
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}
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int files = atoi(amount);
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int mPid = atoi(masterPid);
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sendStartSignal(mPid);
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int totalSize = files * MAX_OUTPUT_SIZE;
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char * shmPointer, * shmStart;
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int fd = openCreatedShm(&shmPointer, totalSize);
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shmStart = shmPointer;
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char buf[MAX_SIZE];
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while (files-- > 0) {
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shmPointer += readShm(shmPointer, buf, MAX_SIZE);
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printf("%s\n", buf);
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}
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closeCreatedShm(shmStart, totalSize, fd);
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sendFinishSignal(mPid);
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return EXIT_SUCCESS;
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}
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