diff options
Diffstat (limited to 'dialects/osr/dfile.c')
| -rw-r--r-- | dialects/osr/dfile.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/dialects/osr/dfile.c b/dialects/osr/dfile.c new file mode 100644 index 0000000..1e9933a --- /dev/null +++ b/dialects/osr/dfile.c @@ -0,0 +1,161 @@ +/* + * dfile.c - SCO OpenServer file processing functions for lsof + */ + + +/* + * Copyright 1995 Purdue Research Foundation, West Lafayette, Indiana + * 47907. All rights reserved. + * + * Written by Victor A. Abell + * + * This software is not subject to any license of the American Telephone + * and Telegraph Company or the Regents of the University of California. + * + * Permission is granted to anyone to use this software for any purpose on + * any computer system, and to alter it and redistribute it freely, subject + * to the following restrictions: + * + * 1. Neither the authors nor Purdue University are responsible for any + * consequences of the use of this software. + * + * 2. The origin of this software must not be misrepresented, either by + * explicit claim or by omission. Credit to the authors and Purdue + * University must appear in documentation and sources. + * + * 3. Altered versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 4. This notice may not be removed or altered. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright 1995 Purdue Research Foundation.\nAll rights reserved.\n"; +static char *rcsid = "$Id: dfile.c,v 1.11 2000/12/04 14:32:49 abe Exp abe $"; +#endif + +#include "lsof.h" + + +/* + * get_max_fd() - get maximum file descriptor plus one + */ + +int +get_max_fd() +{ + +#if defined(F_GETHFDO) || defined(_SC_OPEN_MAX) + int nd; +#endif /* defined(F_GETHFDO) || defined(_SC_OPEN_MAX) */ + +#if defined(F_GETHFDO) + if ((nd = fcntl(-1, F_GETHFDO, 0)) >= 0) + return(nd); +#endif /* defined(F_GETHFDO) */ + +#if defined(_SC_OPEN_MAX) + if ((nd = sysconf(_SC_OPEN_MAX)) >= 0) + return(nd); +#endif /* defined(_SC_OPEN_MAX) */ + + return(getdtablesize()); +} + + +/* + * print_dev() - print dev + */ + +char * +print_dev(lf, dev) + struct lfile *lf; /* file whose device is to be printed */ + dev_t *dev; /* device to be printed */ +{ + static char buf[128]; + + (void) snpf(buf, sizeof(buf), "%d,%d", + lf->is_nfs ? ((~(*dev >> 8)) & 0xff) : emajor(*dev), + eminor(*dev)); + return(buf); +} + + +/* + * print_ino() - print inode + */ + +char * +print_ino(lf) + struct lfile *lf; /* file whose device is to be printed */ +{ + static char buf[128]; + + (void) snpf(buf, sizeof(buf), (lf->inode & 0x80000000) ? "%#x" : "%lu", + lf->inode); + return(buf); +} + + +/* + * process_file() - process file + */ + +void +process_file(fp) + KA_T fp; /* kernel file structure address */ +{ + struct file f; + int flag; + + if (kread(fp, (char *)&f, sizeof(f))) { + (void) snpf(Namech, Namechl, "can't read file struct from %s", + print_kptr(fp, (char *)NULL, 0)); + enter_nm(Namech); + return; + } + Lf->off = (SZOFFTYPE)f.f_offset; + + if (f.f_count) { + + /* + * Construct access code. + */ + if ((flag = (f.f_flag & (FREAD | FWRITE))) == FREAD) + Lf->access = 'r'; + else if (flag == FWRITE) + Lf->access = 'w'; + else if (flag == (FREAD | FWRITE)) + Lf->access = 'u'; + /* + * Process structure. + */ + +#if defined(HASFSTRUCT) + /* + * Save file structure values. + */ + if (Fsv & FSV_CT) { + Lf->fct = (long)f.f_count; + Lf->fsv |= FSV_CT; + } + if (Fsv & FSV_FA) { + Lf->fsa = fp; + Lf->fsv |= FSV_FA; + } + if (Fsv & FSV_FG) { + Lf->ffg = (long)f.f_flag; + Lf->fsv |= FSV_FG; + } + if (Fsv & FSV_NI) { + Lf->fna = (KA_T)f.f_inode; + Lf->fsv |= FSV_NI; + } +#endif /* defined(HASFSTRUCT) */ + + process_node((KA_T)f.f_inode); + return; + } + enter_nm("no more information"); +} |