58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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int cpm(char* src, char* dst, int n, int buff_size) {
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FILE* fp_in = fopen(src, "r");
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FILE* fp_out = fopen(dst, "w");
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char buffer[buff_size];
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for (int i=0; i < n; i++) {
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fseek(fp_in, 0, SEEK_SET);
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while (fgets(buffer, buff_size-1, fp_in)) {
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fputs(buffer, fp_out);
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fseek(fp_out, -1, SEEK_CUR);
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}
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}
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fclose(fp_in);
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fclose(fp_out);
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return 0;
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}
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int main(int argc, char* argv[]) {
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char* src = NULL;
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char* dst = NULL;
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int n = 1;
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int buff_size = 16;
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for (int i=1; i < argc; i++) {
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if (!strcmp(argv[i], "-s")) {
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src = argv[i+1];
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i++;
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} else if (!strcmp(argv[i], "-d")) {
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dst = argv[i+1];
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i++;
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} else if (!strcmp(argv[i], "-n")) {
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n = atoi(argv[i+1]);
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i++;
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} else if (!strcmp(argv[i], "-b")) {
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buff_size = atoi(argv[i+1]);
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i++;
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} else {
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printf("Unknown option %s\n", argv[i]);
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}
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}
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if (!src || !dst) {
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printf("Usage: %s -s <src> -d <dst> -n <nb of copies> -b <buffer size>\n", argv[0]);
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return 1;
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}
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return cpm(src, dst, n, buff_size);
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}
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