/* * This program generates data for testing file locking */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> int main(int argc, char **argv) { int i, j, k, nlines, nchars, ctype; char c, buf[BUFSIZ]; FILE *fp; if (argc != 5) { printf ("usage: <nfs_flock_dgen> <file> <char/line> <lines> <ctype>\n"); exit(2); } fp = fopen(argv[1], "w"); nchars = atoi(argv[2]); if (nchars > BUFSIZ) { printf("Exceeded the maximum limit of the buffer (%d)\n", BUFSIZ); exit(3); } nlines = atoi(argv[3]); ctype = atoi(argv[4]); k = 0; for (i = 1; i <= nlines; i++) { if (ctype) c = ((i % 2) ? '1' : '0'); else c = 'A' + k; for (j = 0; j < nchars; j++) buf[j] = c; fprintf(fp, "%s\n", buf); if (!ctype) { if (i != 1 && i % 26 == 0) k = 0; else k++; } } fclose(fp); return (0); }