ref: 520d698c3e9ec8f76923965481aa15862f9f3c81
dir: /sys/src/cmd/size.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <mach.h> int size(char *file) { int fd; Fhdr f; if((fd = open(file, OREAD)) < 0){ fprint(2, "size: "); perror(file); return 1; } if(crackhdr(fd, &f)) { print("%ldt + %ldd + %ldb = %ld\t%s\n", f.txtsz, f.datsz, f.bsssz, f.txtsz+f.datsz+f.bsssz, file); close(fd); return 0; } fprint(2, "size: %s not an a.out\n", file); close(fd); return 1; } void main(int argc, char *argv[]) { char *err; int i; ARGBEGIN { default: fprint(2, "usage: size [a.out ...]\n"); exits("usage"); } ARGEND; err = 0; if(argc == 0) if(size("8.out")) err = "error"; for(i=0; i<argc; i++) if(size(argv[i])) err = "error"; exits(err); }