ref: 689109303467790df972f16918ee48a490c53f56
dir: /sys/src/cmd/aux/flashfs/testld.c/
#include <u.h> #include <libc.h> #include <auth.h> #include <fcall.h> #include <thread.h> #include <9p.h> #include "flashfs.h" static void usage(void) { fprint(2, "usage: %s -n nsect -z sectsize -f file\n", prog); exits("usage"); } static ulong argval(char *arg) { long v; char *extra; if(arg == nil) usage(); v = strtol(arg, &extra, 0); if(*extra || v <= 0) usage(); return v; } void main(int argc, char **argv) { char *file; prog = "testldfs"; file = nil; ARGBEGIN { case 'n': nsects = argval(ARGF()); break; case 'z': sectsize = argval(ARGF()); break; case 'f': file = ARGF(); break; default: usage(); } ARGEND if(argc != 0 || nsects == 0 || sectsize == 0 || file == nil) usage(); if(nsects < 8) { fprint(2, "%s: unreasonable value for nsects: %lud\n", prog, nsects); exits("nsects"); } if(sectsize < 512) { fprint(2, "%s: unreasonable value for sectsize: %lud\n", prog, sectsize); exits("sectsize"); } sectbuff = emalloc9p(sectsize); initdata(file, 0); einit(); loadfs(1); }