diff options
| -rw-r--r-- | src/driver/slbt_driver_ctx.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/driver/slbt_driver_ctx.c b/src/driver/slbt_driver_ctx.c index fe5f19e..e4f18eb 100644 --- a/src/driver/slbt_driver_ctx.c +++ b/src/driver/slbt_driver_ctx.c @@ -1216,6 +1216,9 @@ static int slbt_init_version_info( int current; int revision; int age; + int colons; + int fmtcnt; + const char * ch; if (!verinfo->verinfo && !verinfo->vernumber) return 0; @@ -1230,9 +1233,21 @@ static int slbt_init_version_info( current = revision = age = 0; - sscanf(verinfo->verinfo,"%d:%d:%d", + for (colons=0, ch=verinfo->verinfo; *ch; ch++) + if (*ch == ':') + colons++; + + fmtcnt = sscanf(verinfo->verinfo,"%d:%d:%d", ¤t,&revision,&age); + if (!fmtcnt || (fmtcnt > 3) || (fmtcnt != colons + 1)) { + slbt_dprintf(ictx->fdctx.fderr, + "%s: error: invalid version info: " + "supported argument format is %%d[:%%d[:%%d]].\n", + argv_program_name(ictx->cctx.targv[0])); + return -1; + } + if (current < age) { if (ictx->cctx.drvflags & SLBT_DRIVER_VERBOSITY_ERRORS) slbt_dprintf(ictx->fdctx.fderr, |