2000/0405/boot/bootcache.c (diff list | history)

2000/0405/sys/src/9/boot/bootcache.c:1,75 – 2001/0527/sys/src/9/boot/bootcache.c:1,77 (short | long | prev | next)
2000/0405		#include <u.h> #include <libc.h> #include <../boot/boot.h>
2001/0527		uchar statbuf[STATMAX];
2000/0405		int cache(int fd) { int argc, i, p[2]; char *argv[5], bd[NAMELEN], buf[256], d[DIRLEN], partition[2*NAMELEN], *pp;
2001/0527		char *argv[5], bd[32], buf[256], partition[64], *pp;
2000/0405		if(stat("/cfs", d) < 0)
2001/0527		if(stat("/cfs", statbuf, sizeof statbuf) < 0)
2000/0405		return fd; *partition = 0; readfile("#e/cfs", buf, sizeof(buf)); if(*buf){ argc = getfields(buf, argv, 4, 1, " "); for(i = 0; i < argc; i++){ if(strcmp(argv[i], "off") == 0) return fd; else if(stat(argv[i], d) >= 0){
2001/0527		else if(stat(argv[i], statbuf, sizeof statbuf) >= 0){
2000/0405		strncpy(partition, argv[i], sizeof(partition)-1); partition[sizeof(partition)-1] = 0; } } } if(*partition == 0){ readfile("#e/bootdisk", bd, sizeof(bd)); if(*bd){ if(pp = strchr(bd, ':')) *pp = 0; /* damned artificial intelligence */ i = strlen(bd); if(strcmp("disk", &bd[i-4]) == 0) bd[i-4] = 0; else if(strcmp("fs", &bd[i-2]) == 0) bd[i-2] = 0; sprint(partition, "%scache", bd); if(stat(partition, d) < 0)
2001/0527		if(stat(partition, statbuf, sizeof statbuf) < 0)
2000/0405		*bd = 0; } if(*bd == 0){ sprint(partition, "%scache", bootdisk); if(stat(partition, d) < 0)
2001/0527		if(stat(partition, statbuf, sizeof statbuf) < 0)
2000/0405		return fd; } } print("cfs..."); if(pipe(p)<0) fatal("pipe"); switch(fork()){ case -1: fatal("fork"); case 0: close(p[1]); dup(fd, 0); close(fd); dup(p[0], 1); close(p[0]); if(fflag) execl("/cfs", "bootcfs", "-rs", "-f", partition, 0); else execl("/cfs", "bootcfs", "-s", "-f", partition, 0); break; default: close(p[0]); close(fd); fd = p[1]; break; } return fd; }