diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/environment.c')
| -rw-r--r-- | crypto/heimdal/lib/roken/environment.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/crypto/heimdal/lib/roken/environment.c b/crypto/heimdal/lib/roken/environment.c deleted file mode 100644 index 3822e4c..0000000 --- a/crypto/heimdal/lib/roken/environment.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (c) 2000, 2005 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - - -#ifdef HAVE_CONFIG_H -#include <config.h> -RCSID("$Id: environment.c 20866 2007-06-03 21:00:29Z lha $"); -#endif - -#include <stdio.h> -#include <string.h> -#include <ctype.h> -#include "roken.h" - -/* find assignment in env list; len is length of variable including - * equal - */ - -static int -find_var(char **env, char *assignment, size_t len) -{ - int i; - for(i = 0; env != NULL && env[i] != NULL; i++) - if(strncmp(env[i], assignment, len) == 0) - return i; - return -1; -} - -/* - * return count of environment assignments from open file F in - * assigned and list of malloced strings in env, return 0 or errno - * number - */ - -static int -rk_read_env_file(FILE *F, char ***env, int *assigned) -{ - int idx = 0; - int i; - char **l; - char buf[BUFSIZ], *p, *r; - char **tmp; - int ret = 0; - - *assigned = 0; - - for(idx = 0; *env != NULL && (*env)[idx] != NULL; idx++); - l = *env; - - /* This is somewhat more relaxed on what it accepts then - * Wietses sysv_environ from K4 was... - */ - while (fgets(buf, BUFSIZ, F) != NULL) { - buf[strcspn(buf, "#\n")] = '\0'; - - for(p = buf; isspace((unsigned char)*p); p++); - if (*p == '\0') - continue; - - /* Here one should check that it's a 'valid' env string... */ - r = strchr(p, '='); - if (r == NULL) - continue; - - if((i = find_var(l, p, r - p + 1)) >= 0) { - char *val = strdup(p); - if(val == NULL) { - ret = ENOMEM; - break; - } - free(l[i]); - l[i] = val; - (*assigned)++; - continue; - } - - tmp = realloc(l, (idx+2) * sizeof (char *)); - if(tmp == NULL) { - ret = ENOMEM; - break; - } - - l = tmp; - l[idx] = strdup(p); - if(l[idx] == NULL) { - ret = ENOMEM; - break; - } - l[++idx] = NULL; - (*assigned)++; - } - if(ferror(F)) - ret = errno; - *env = l; - return ret; -} - -/* - * return count of environment assignments from file and - * list of malloced strings in `env' - */ - -int ROKEN_LIB_FUNCTION -read_environment(const char *file, char ***env) -{ - int assigned; - FILE *F; - - if ((F = fopen(file, "r")) == NULL) - return 0; - - rk_read_env_file(F, env, &assigned); - fclose(F); - return assigned; -} - -void ROKEN_LIB_FUNCTION -free_environment(char **env) -{ - int i; - if (env == NULL) - return; - for (i = 0; env[i]; i++) - free(env[i]); - free(env); -} |
