#!/bin/sh # This is a shell archive (produced by GNU sharutils 4.2). # To extract the files from this archive, save it to some FILE, remove # everything before the `!/bin/sh' line above, then type `sh FILE'. # # Made on 1997-03-17 10:32 MET by . # Source directory was `/home/john/c'. # # Existing files will *not* be overwritten unless `-c' is specified. # # This shar contains: # length mode name # ------ ---------- ------------------------------------------ # 2079 -rw-r--r-- mmapme.c # 360 -rwxr-xr-x mmap-test # save_IFS="${IFS}" IFS="${IFS}:" gettext_dir=FAILED locale_dir=FAILED first_param="$1" for dir in $PATH do if test "$gettext_dir" = FAILED && test -f $dir/gettext \ && ($dir/gettext --version >/dev/null 2>&1) then set `$dir/gettext --version 2>&1` if test "$3" = GNU then gettext_dir=$dir fi fi if test "$locale_dir" = FAILED && test -f $dir/shar \ && ($dir/shar --print-text-domain-dir >/dev/null 2>&1) then locale_dir=`$dir/shar --print-text-domain-dir` fi done IFS="$save_IFS" if test "$locale_dir" = FAILED || test "$gettext_dir" = FAILED then echo=echo else TEXTDOMAINDIR=$locale_dir export TEXTDOMAINDIR TEXTDOMAIN=sharutils export TEXTDOMAIN echo="$gettext_dir/gettext -s" fi touch -am 1231235999 $$.touch >/dev/null 2>&1 if test ! -f 1231235999 && test -f $$.touch; then shar_touch=touch else shar_touch=: echo $echo 'WARNING: not restoring timestamps. Consider getting and' $echo "installing GNU \`touch', distributed in GNU File Utilities..." echo fi rm -f 1231235999 $$.touch # if mkdir _sh02627; then $echo 'x -' 'creating lock directory' else $echo 'failed to create lock directory' exit 1 fi # ============= mmapme.c ============== if test -f 'mmapme.c' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'mmapme.c' '(file already exists)' else $echo 'x -' extracting 'mmapme.c' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'mmapme.c' && #include #include #include #include #include #include X #define USAGE "\ Usage:\n\ \n\ mmapme [-p] filename\n" X extern int optind; X int main(int argc, char** argv) { X int fd; X char* p; X char* shm; X struct stat st; X int size, pagesize; X char line[80]; X char prevline[80]; X char* c; X int i, j, sup, previ; X int adjust = 0; X X while ( (i = getopt(argc, argv, "p")) != EOF ) { X if ( i == 'p' ) { X adjust++; X } X else { X fprintf(stderr, USAGE); X exit(1); X } X } X if ( optind != argc - 1 ) { X fprintf(stderr, USAGE); X exit(1); X } X if ( (fd = open(argv[optind], O_RDONLY)) == -1 ) { X perror("open"); X exit(1); X } X if ( fstat(fd, &st) ) { X perror("stat"); X exit(1); X } X size = st.st_size; X if ( adjust ) { #ifdef _SC_PAGE_SIZE X pagesize = sysconf(_SC_PAGE_SIZE); #else # ifdef _SC_PAGESIZE X pagesize = sysconf(_SC_PAGESIZE); # else X pagesize = getpagesize(); # endif #endif X size = (size + pagesize - 1) & ~(pagesize - 1); X } X if ( (shm = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0)) X == (void*) -1 ) { X perror("mmap"); X exit(1); X } X prevline[0] = '\0'; X sup = 0; X p = shm; X for (i = 0; i < st.st_size; i += 16 ) { X c = line; X for (j = i; j < i+16 && j < st.st_size; j++) { X sprintf(c, "%02X ", *p++); X c += 3; X } X if ( !strcmp(prevline, line) ) { X previ = i; X sup++; X continue; X } X if ( sup == 1 ) { X printf("%08X %s\n", previ, prevline); X sup = 0; X } X else if ( sup == 2 ) { X printf("%08X %s\n%08X %s\n", previ - 16, prevline, previ, prevline); X sup = 0; X } X else if ( sup > 2 ) { X printf("... %d lines ...\n%08X %s\n", sup - 1, previ, prevline); X sup = 0; X } X printf("%08X %s\n", i, line); X strcpy(prevline, line); X previ = i; X } X if ( sup == 1 ) { X printf("%08X %s\n", previ, prevline); X } X else if ( sup > 1 ) { X printf("... %d lines ...\n%08X %s\n", sup - 1, previ, prevline); X } X sleep(60); X munmap(shm, size); X close(fd); X return(0); } SHAR_EOF $shar_touch -am 0317101297 'mmapme.c' && chmod 0644 'mmapme.c' || $echo 'restore of' 'mmapme.c' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'mmapme.c:' 'MD5 check failed' 31bdaf5e2c949e4659001315832adbb2 mmapme.c SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'mmapme.c'`" test 2079 -eq "$shar_count" || $echo 'mmapme.c:' 'original size' '2079,' 'current size' "$shar_count!" fi fi # ============= mmap-test ============== if test -f 'mmap-test' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'mmap-test' '(file already exists)' else $echo 'x -' extracting 'mmap-test' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'mmap-test' && #!/bin/bash X echo -n 1111111111111111111111111111111111111111 > 40 cat 40 40 40 40 40 40 > 240 cat 240 240 240 240 40 > 1k cat 1k 1k 1k 1k 1k > 5k rm 40 240 cp 5k testfile echo 1 X./mmapme $* testfile & sleep 5 echo 1.5 cat 1k >> testfile echo 2 X./mmapme $* testfile & sleep 5 echo 2.5 cat 5k >> testfile echo 3 X./mmapme $* testfile & sleep 2 rm 1k 5k testfile SHAR_EOF $shar_touch -am 0217120797 'mmap-test' && chmod 0755 'mmap-test' || $echo 'restore of' 'mmap-test' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'mmap-test:' 'MD5 check failed' 204a9c56650abab19f4f9d1e5012f401 mmap-test SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'mmap-test'`" test 360 -eq "$shar_count" || $echo 'mmap-test:' 'original size' '360,' 'current size' "$shar_count!" fi fi rm -fr _sh02627 exit 0