diff options
| author |   tedu <tedu@openbsd.org> | 2003-04-06 23:21:41 +0000 |
|---|---|---|
| committer | tedu <tedu@openbsd.org> | 2003-04-06 23:21:41 +0000 |
| commit | 82279d24d55b671c34e7032e11451384bdb7ef07 (patch) | |
| tree | cb21d018b5da4577771a77ee92fd989df3be4816 /usr.sbin/kvm_mkdb/nlist.c | |
| parent | kvm_iocache() is not used anymore. (diff) | |
| download | wireguard-openbsd-82279d24d55b671c34e7032e11451384bdb7ef07.tar.xz wireguard-openbsd-82279d24d55b671c34e7032e11451384bdb7ef07.zip | |
use snamesize and realloc properly. ok tdeval@
Diffstat (limited to 'usr.sbin/kvm_mkdb/nlist.c')
| -rw-r--r-- | usr.sbin/kvm_mkdb/nlist.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/usr.sbin/kvm_mkdb/nlist.c b/usr.sbin/kvm_mkdb/nlist.c index 5768a81e314..cb3d88e58d3 100644 --- a/usr.sbin/kvm_mkdb/nlist.c +++ b/usr.sbin/kvm_mkdb/nlist.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nlist.c,v 1.31 2003/04/04 22:40:52 deraadt Exp $ */ +/* $OpenBSD: nlist.c,v 1.32 2003/04/06 23:21:41 tedu Exp $ */ /*- * Copyright (c) 1990, 1993 @@ -37,7 +37,7 @@ #if 0 static char sccsid[] = "from: @(#)nlist.c 8.1 (Berkeley) 6/6/93"; #else -static char *rcsid = "$OpenBSD: nlist.c,v 1.31 2003/04/04 22:40:52 deraadt Exp $"; +static const char rcsid[] = "$OpenBSD: nlist.c,v 1.32 2003/04/06 23:21:41 tedu Exp $"; #endif #endif /* not lint */ @@ -171,12 +171,14 @@ __aout_knlist(fd, db, ksyms) p = strtab + nbuf._strx - sizeof(int); if (*p != '_') { len = strlen(p) + 1; - if (len >= snamesize) - sname = realloc(sname, len + 1024); + if (len >= snamesize) { + snamesize = len + 1024; + sname = realloc(sname, snamesize); + } if (sname == NULL) errx(1, "cannot allocate memory"); *sname = '_'; - strlcpy(sname+1, p, len); + strlcpy(sname + 1, p, snamesize - 1); key.data = (u_char *)sname; key.size = len; } else { @@ -448,7 +450,7 @@ __elf_knlist(fd, db, ksyms) nbuf.n_type = N_FN; break; } - if(ELF_ST_BIND(sbuf.st_info) == STB_LOCAL) + if (ELF_ST_BIND(sbuf.st_info) == STB_LOCAL) nbuf.n_type = N_EXT; *buf = '_'; @@ -606,13 +608,15 @@ __ecoff_knlist(fd, db, ksyms) for (sname = NULL, i = 0; i < nesyms; i++) { /* Need to prepend a '_' */ len = strlen(&mappedfile[extstroff + esyms[i].es_strindex]) + 1; - if (len >= snamesize) - sname = realloc(sname, len + 1024); + if (len >= snamesize) { + snamesize = len + 1024; + sname = realloc(sname, snamesize); + } if (sname == NULL) errx(1, "cannot allocate memory"); *sname = '_'; strlcpy(sname+1, &mappedfile[extstroff + esyms[i].es_strindex], - len - 1); + snamesize - 1); /* Fill in NLIST */ bzero(&nbuf, sizeof(nbuf)); |