diff options
Diffstat (limited to 'libc/misc/wordexp/wordexp_stub.c')
| -rw-r--r-- | libc/misc/wordexp/wordexp_stub.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/libc/misc/wordexp/wordexp_stub.c b/libc/misc/wordexp/wordexp_stub.c deleted file mode 100644 index f61434b5b..000000000 --- a/libc/misc/wordexp/wordexp_stub.c +++ /dev/null @@ -1,252 +0,0 @@ -/* Copyright 1995-1996 University Corporation for Atmospheric Research/Unidata - * - * Portions of this software were developed by the Unidata Program at the - * University Corporation for Atmospheric Research. - * - * Access and use of this software shall impose the following obligations - * and understandings on the user. The user is granted the right, without - * any fee or cost, to use, copy, modify, alter, enhance and distribute - * this software, and any derivative works thereof, and its supporting - * documentation for any purpose whatsoever, provided that this entire - * notice appears in all copies of the software, derivative works and - * supporting documentation. Further, UCAR requests that the user credit - * UCAR/Unidata in any publications that result from the use of this - * software or in any product that includes this software. The names UCAR - * and/or Unidata, however, may not be used in any advertising or publicity - * to endorse or promote any products or commercial entity unless specific - * written permission is obtained from UCAR/Unidata. The user also - * understands that UCAR/Unidata is not obligated to provide the user with - * any support, consulting, training or assistance of any kind with regard - * to the use, operation and performance of this software nor to provide - * the user with any updates, revisions, new versions or "bug fixes." - * - * THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL, - * 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 ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE. - */ -/* $Id: wordexp_stub.c,v 1.1 2001/03/08 16:49:37 andersen Exp $ */ - -/* - * Hack to provide POSIX 1003.2-1992 _interface_. - * This version is NOT fully functional. - * - * This is a place holder till I can cut down the glibc version - * or make it somewhat modular or something. -Erik - */ - -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <wordexp.h> - - - -/* - * Translate return value from wordexp() into a string - */ -const char * -s_wrde_err(int wrde_err) -{ - switch(wrde_err) { - case 0: return "No Error"; - case WRDE_NOSPACE: return "WRDE_NOSPACE"; - case WRDE_BADCHAR: return "WRDE_BADCHAR"; - case WRDE_BADVAL: return "WRDE_BADVAL"; - case WRDE_CMDSUB: return "WRDE_CMDSUB"; - case WRDE_SYNTAX: return "WRDE_SYNTAX"; - } - /* default */ - return "Unknown Error"; -} - - -/*ARGSUSED*/ -int -wordexp(const char *words, wordexp_t *pwordexp, int flags) -{ - const char *ccp; - char **argv; - const char *buf; - size_t argc; - enum states {ARGSTART, IN_QUOTE, NOT_IN_QUOTE, DONE}; - enum classes {EOS, SPACE, QUOTE, OTHER}; - int state = ARGSTART; - char *argbuf; - const char *sp; - char *dp; - int status = 0; - - if(words == NULL || pwordexp == NULL) - return 0; - - /* devour leading white space */ - for(ccp = words; *ccp != 0 && isspace(*ccp); ccp++) - /*EMPTY*/; - /* skip comments */ - if(*ccp == '#') - { - pwordexp->we_wordc = 0; - pwordexp->we_wordv = NULL; - return 0; - } - -/* If every other character was a space ... */ -#define MAXNARGS(str) ((strlen(str) +1)/2 +1) - argv = (char **)calloc(MAXNARGS(ccp), sizeof(char *)); - if(argv == NULL) - return WRDE_NOSPACE; - - buf = ccp; - - argbuf = malloc(strlen(words)+1); /* where each arg is built */ - if (argbuf == NULL) - { - free(argv); - return WRDE_NOSPACE; - } - - sp = buf; - dp = argbuf; - argc = 0; - while(state != DONE) - { - int class; - - if (*sp == 0) - class = EOS; - else if (isspace(*sp)) - class = SPACE; - else if (*sp == '"') - class = QUOTE; - else - class = OTHER; - switch (state) { - case ARGSTART: - switch(class) { - case EOS: - state = DONE; - break; - case SPACE: - sp++; - break; - case QUOTE: - sp++; - state = IN_QUOTE; - break; - case OTHER: - *dp++ = *sp++; - state = NOT_IN_QUOTE; - break; - } - break; - case IN_QUOTE: - switch(class) { - case EOS: /* unmatched quote */ - state = DONE; - status = WRDE_SYNTAX; - break; - case QUOTE: - sp++; - state = NOT_IN_QUOTE; - break; - case SPACE: - case OTHER: - *dp++ = *sp++; - break; - } - break; - case NOT_IN_QUOTE: - switch(class) { - case EOS: - *dp = 0; - dp = argbuf; - argv[argc++] = strdup(argbuf); - state = DONE; - break; - case SPACE: - *dp = 0; - dp = argbuf; - argv[argc++] = strdup(argbuf); - sp++; - state = ARGSTART; - break; - case QUOTE: - sp++; - state = IN_QUOTE; - break; - case OTHER: - *dp++ = *sp++; - break; - } - break; - } - } - argv[argc] = NULL; - - pwordexp->we_wordc = argc; - pwordexp->we_wordv = argv; - - free(argbuf); - - return status; -} - - -void -wordfree(wordexp_t *pwordexp) -{ - if(pwordexp == NULL || pwordexp->we_wordv == NULL) - return; - if(*pwordexp->we_wordv) - free(*pwordexp->we_wordv); - free(pwordexp->we_wordv); -} - - -#if TEST - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -int -main(int argc, char *argv[]) -{ - char strbuf[1024]; - wordexp_t wrdexp; - int status; - char **cpp; - - while(fgets(strbuf, sizeof(strbuf), stdin) != NULL) - { - { - char *cp = strrchr(strbuf,'\n'); - if(cp) - *cp = 0; - } - fprintf(stdout, "\t%s\n", strbuf); - status = wordexp(strbuf, &wrdexp, WRDE_SHOWERR); - if(status) - { - fprintf(stderr, "wordexp: %s\n", s_wrde_err(status)); - continue; - } - /* else */ - fprintf(stdout, "\t%d:\n", wrdexp.we_wordc); - for(cpp = wrdexp.we_wordv; - cpp < &wrdexp.we_wordv[wrdexp.we_wordc]; cpp++) - { - fprintf(stdout, "\t\t%s\n", *cpp); - } - wordfree(&wrdexp); - - } - exit(EXIT_SUCCESS); -} - -#endif /* TEST */ |