diff options
| author | cinap_lenrek <cinap_lenrek@gmx.de> | 2012-08-03 22:50:21 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2012-08-03 22:50:21 +0200 |
| commit | b14d7ac38c9341e233eee10b74a6c0e716a7915f (patch) | |
| tree | 3f65f726a80404bb96f601eaa16dfff77b6f0b3c /sys/src/cmd/auth/cron.c | |
| parent | 82ece1bb0ca214c1e594ea2443b37ff9db63f2ae (diff) | |
cron: snprint, error handling (update from sources)
Diffstat (limited to 'sys/src/cmd/auth/cron.c')
| -rw-r--r-- | sys/src/cmd/auth/cron.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/sys/src/cmd/auth/cron.c b/sys/src/cmd/auth/cron.c index da62cdabc..425f2420d 100644 --- a/sys/src/cmd/auth/cron.c +++ b/sys/src/cmd/auth/cron.c @@ -174,7 +174,7 @@ main(int argc, char *argv[]) switch(fork()){ case -1: - fatal("can't fork"); + fatal("can't fork: %r"); case 0: break; default: @@ -248,18 +248,18 @@ createuser(void) int fd; user = getuser(); - sprint(file, "/cron/%s", user); + snprint(file, sizeof file, "/cron/%s", user); fd = create(file, OREAD, 0755|DMDIR); if(fd < 0) - sysfatal("couldn't create %s: %r", file); + fatal("couldn't create %s: %r", file); nulldir(&d); d.gid = user; dirfwstat(fd, &d); close(fd); - sprint(file, "/cron/%s/cron", user); + snprint(file, sizeof file, "/cron/%s/cron", user); fd = create(file, OREAD, 0644); if(fd < 0) - sysfatal("couldn't create %s: %r", file); + fatal("couldn't create %s: %r", file); nulldir(&d); d.gid = user; dirfwstat(fd, &d); @@ -276,7 +276,7 @@ readalljobs(void) fd = open("/cron", OREAD); if(fd < 0) - fatal("can't open /cron\n"); + fatal("can't open /cron: %r"); while((n = dirread(fd, &d)) > 0){ for(i = 0; i < n; i++){ if(strcmp(d[i].name, "log") == 0 || @@ -288,7 +288,7 @@ readalljobs(void) continue; } u = newuser(d[i].name); - sprint(file, "/cron/%s/cron", d[i].name); + snprint(file, sizeof file, "/cron/%s/cron", d[i].name); du = dirstat(file); if(du == nil || qidcmp(u->lastqid, du->qid) != 0){ freejobs(u->jobs); @@ -686,7 +686,7 @@ mkcap(char *from, char *to) uchar rand[20]; char *cap; char *key; - int nfrom, nto; + int nfrom, nto, ncap; uchar hash[SHA1dlen]; if(caphashfd < 0) @@ -695,8 +695,9 @@ mkcap(char *from, char *to) /* create the capability */ nto = strlen(to); nfrom = strlen(from); - cap = emalloc(nfrom+1+nto+1+sizeof(rand)*3+1); - sprint(cap, "%s@%s", from, to); + ncap = nfrom + 1 + nto + 1 + sizeof(rand)*3 + 1; + cap = emalloc(ncap); + snprint(cap, ncap, "%s@%s", from, to); memrandom(rand, sizeof(rand)); key = cap+nfrom+1+nto+1; enc64(key, sizeof(rand)*3, rand, sizeof(rand)); |