X-Git-Url: https://gapil.gnulinux.it/gitweb/?p=gapil.git;a=blobdiff_plain;f=sources%2FProcInfo.c;fp=sources%2FProcInfo.c;h=d2dfbe1c715abd116da5a7dc489be353e15c169c;hp=0000000000000000000000000000000000000000;hb=b1ead1b930038e4f7cd6ee7f737d7ee4699a068c;hpb=d12bc3e1e4b3ee762036d1c226c3b2ba1a720fb9 diff --git a/sources/ProcInfo.c b/sources/ProcInfo.c new file mode 100644 index 0000000..d2dfbe1 --- /dev/null +++ b/sources/ProcInfo.c @@ -0,0 +1,110 @@ +/* ProcInfo.c + * + * Copyright (C) 2001 Simone Piccardi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +/**************************************************************** + * + * Program test_fopen.c: + * Program to test function fopen + * + * Author: Simone Piccardi + * Dec. 2001 + * + * Usage: procinfo -h give all info's + * + * $Id: ProcInfo.c,v 1.3 2003/05/02 09:55:14 piccardi Exp $ + * + ****************************************************************/ +/* + * Include needed headers + */ +#define _GNU_SOURCE +#include /* error definitions and routines */ +#include /* C standard library */ +#include /* unix standard library */ +#include /* standard I/O library */ +#include /* string functions */ + +/* Help printing routine */ +void usage(void); + +int main(int argc, char *argv[]) +{ +/* + * Variables definition + */ + int i; + FILE * file; + char * ptr; + /* + * Input section: decode command line parameters + * Use getopt function + */ + opterr = 0; /* don't want writing to stderr */ + while ( (i = getopt(argc, argv, "h")) != -1) { + switch (i) { + /* + * Handling options + */ + case 'h': /* help option */ + printf("Wrong -h option use\n"); + usage(); + return -1; + break; + case '?': /* unrecognized options */ + printf("Unrecognized options -%c\n",optopt); + usage(); + default: /* should not reached */ + usage(); + } + } + /* *********************************************************** + * + * Options processing completed + * + * Main code beginning + * + * ***********************************************************/ + /* There must be 2 remaing parameters */ + if ( (argc-optind) != 2 ) { + printf("From %d arguments, removed %d options\n", argc, optind); + usage(); + } + if ( !(file = fopen(argv[1], argv[2]))) { + perror("cannot open file"); + exit(1); + } + i = 100; + ptr = malloc(i); + getline(&ptr, &i, file); +// fclean(file); /* do not exist on Linux */ + flockfile(file); + fclose(file); + return 0; +} +/* + * routine to print usage info and exit + */ +void usage(void) { + printf("Program testfopen : test fopen for a file \n"); + printf("Usage:\n"); + printf(" testfopen [-h] file mode \n"); + printf(" -h print this help\n"); + + exit(1); +} +