/*====================================================================* * * Copyright (c) 2012 Qualcomm Atheros Inc. * * Permission to use, copy, modify, and/or distribute this software * for any purpose with or without fee is hereby granted, provided * that the above copyright notice and this permission notice appear * in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * *--------------------------------------------------------------------*/ /*====================================================================* * * signed getargv (signed argc, char const * argv []) * * symbol.h * * read one line from stdin; fill argv [] with fields from that * line; return the number of fields found; ignore blank lines * and script style comment lines; this implementation inserts * a program name at argv [0] to emulate a true argv []; * *--------------------------------------------------------------------*/ #ifndef GETARGV_SOURCE #define GETARGV_SOURCE #include <stdio.h> #include <ctype.h> #include <memory.h> #include "../tools/symbol.h" #include "../tools/chars.h" signed getargv (signed argc, char const * argv []) { extern char const * program_name; static char string [1024]; char const ** argp = argv; char * sp = string; signed c = getc (stdin); memset (string, 0, sizeof (string)); memset ((char **)(argv), 0, argc * sizeof (char const *)); while (nobreak (c)) { if (isspace (c)) { do { c = getc (stdin); } while (isspace (c)); } if (c == '#') { do { c = getc (stdin); } while (nobreak (c)); c = getc (stdin); continue; } *argp++ = program_name; *argp++ = sp = string; while (nobreak (c)) { if (c == '#') { do { c = getc (stdin); } while (nobreak (c)); break; } if (isblank (c)) { c = (char)(0); *argp = sp + 1; } else if (sp == *argp) { if ((signed)(argp - argv) < argc) { argp++; } } *sp++ = (char)(c); c = getc (stdin); } *argp = (char const *)(0); *sp = (char)(0); } return ((unsigned)(argp - argv)); } #endif