Blob
1 #include <stdio.h>3 /* I need a big file made up of ascii characters. dd if=/dev/zero is4 * thus not an option, truncate is not portable. This is some order5 * of magnitude faster than the equivalent sh script */7 int8 main(int argc, char **argv)9 {10 FILE *out;11 int i, j;13 if (argc != 2) {14 fprintf(stderr, "USAGE: %s <file>\n", *argv);15 return 1;16 }18 if ((out = fopen(argv[1], "w")) == NULL) {19 fprintf(stderr, "cannot open file: %s\n", argv[1]);20 return 1;21 }23 for (i = 0; i < 1024; ++i)24 for (j = 0; j < 1024; ++j)25 fprintf(out, "a\n");27 fclose(out);28 return 0;29 }