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Diffstat (limited to 'nuttx/sched/env_findvar.c')
-rw-r--r-- | nuttx/sched/env_findvar.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/nuttx/sched/env_findvar.c b/nuttx/sched/env_findvar.c deleted file mode 100644 index a744c6c3a..000000000 --- a/nuttx/sched/env_findvar.c +++ /dev/null @@ -1,124 +0,0 @@ -/**************************************************************************** - * sched/env_findvar.c - * - * Copyright (C) 2007, 2009, 2013 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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 NuttX 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 COPYRIGHT HOLDERS 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 - * COPYRIGHT OWNER 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#ifndef CONFIG_DISABLE_ENVIRON - -#include <stdbool.h> -#include <string.h> -#include <sched.h> - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: env_cmpname - ****************************************************************************/ - -static bool env_cmpname(const char *pszname, const char *peqname) -{ - /* Search until we find anything different in the two names */ - - for (; *pszname == *peqname; pszname++, peqname++); - - /* On sucess, pszname will end with '\0' and peqname with '=' */ - - if ( *pszname == '\0' && *peqname == '=' ) - { - return true; - } - - return false; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: env_findvar - * - * Description: - * Search the provided environment structure for the variable of the - * specified name. - * - * Parameters: - * group The task group containging environment array to be searched. - * pname The variable name to find - * - * Return Value: - * A pointer to the name=value string in the environment - * - * Assumptions: - * - Not called from an interrupt handler - * - Pre-emptions is disabled by caller - * - ****************************************************************************/ - -FAR char *env_findvar(FAR struct task_group_s *group, const char *pname) -{ - char *ptr; - char *end; - - /* Verify input parameters */ - - DEBUGASSERT(group && pname); - - /* Search for a name=value string with matching name */ - - end = &group->tg_envp[group->tg_envsize]; - for (ptr = group->tg_envp; - ptr < end && !env_cmpname(pname, ptr); - ptr += (strlen(ptr) + 1)); - - /* Check for success */ - - return (ptr < end) ? ptr : NULL; -} - -#endif /* CONFIG_DISABLE_ENVIRON */ - - - |