1100 lines
27 KiB
C
1100 lines
27 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#ifndef _MSC_VER
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# include <unistd.h>
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# include <libgen.h>
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#endif
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#ifndef _FILE_OFFSET_BITS
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# define _FILE_OFFSET_BITS 64
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#endif
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#ifdef HAVE_FEATURES_H
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# include <features.h>
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#endif
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#include <ctype.h>
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#include <errno.h>
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#include "ecore_file_private.h"
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int _ecore_file_log_dom = -1;
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static int _ecore_file_init_count = 0;
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/* externally accessible functions */
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/**
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* @addtogroup Ecore_File_Group Ecore_File - Files and direcotries convenience functions
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*
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* @{
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*/
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/**
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* @brief Initialize the Ecore_File library.
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*
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* @return 1 or greater on success, 0 on error.
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*
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* This function sets up Ecore_File and the services it will use
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* (monitoring, downloading, PATH related feature). It returns 0 on
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* failure, otherwise it returns the number of times it has already
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* been called.
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*
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* When Ecore_File is not used anymore, call ecore_file_shutdown()
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* to shut down the Ecore_File library.
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*/
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EAPI int
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ecore_file_init()
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{
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if (++_ecore_file_init_count != 1)
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return _ecore_file_init_count;
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_ecore_file_log_dom = eina_log_domain_register
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("ecore_file", ECORE_FILE_DEFAULT_LOG_COLOR);
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if(_ecore_file_log_dom < 0)
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{
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EINA_LOG_ERR("Impossible to create a log domain for the ecore file module.");
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return --_ecore_file_init_count;
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}
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ecore_file_path_init();
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ecore_file_monitor_init();
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ecore_file_download_init();
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/* FIXME: were the tests disabled for a good reason ? */
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/*
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if (!ecore_file_monitor_init())
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goto shutdown_ecore_file_path;
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if (!ecore_file_download_init())
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goto shutdown_ecore_file_monitor;
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*/
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return _ecore_file_init_count;
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/*
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shutdown_ecore_file_monitor:
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ecore_file_monitor_shutdown();
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shutdown_ecore_file_path:
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ecore_file_path_shutdown();
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return --_ecore_file_init_count;
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*/
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}
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/**
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* @brief Shut down the Ecore_File library.
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*
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* @return 0 when the library is completely shut down, 1 or
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* greater otherwise.
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*
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* This function shuts down the Ecore_File library. It returns 0 when it has
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* been called the same number of times than ecore_file_init(). In that case
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* it shuts down all the services it uses.
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*/
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EAPI int
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ecore_file_shutdown()
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{
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if (--_ecore_file_init_count != 0)
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return _ecore_file_init_count;
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ecore_file_download_shutdown();
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ecore_file_monitor_shutdown();
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ecore_file_path_shutdown();
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eina_log_domain_unregister(_ecore_file_log_dom);
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_ecore_file_log_dom = -1;
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return _ecore_file_init_count;
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}
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/**
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* @brief Get the time of the last modification to the given file.
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*
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* @param file The name of the file.
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* @return Return the time of the last data modification, or 0 on
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* failure.
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*
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* This function returns the time of the last modification of
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* @p file. On failure, it returns 0.
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*/
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EAPI long long
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ecore_file_mod_time(const char *file)
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{
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struct stat st;
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if (stat(file, &st) < 0) return 0;
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return st.st_mtime;
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}
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/**
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* @brief Get the size of the given file.
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*
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* @param file The name of the file.
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* @return Return the size of the file in bytes, or 0 on failure.
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*
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* This function returns the size of @p file in bytes. On failure, it
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* returns 0.
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*/
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EAPI long long
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ecore_file_size(const char *file)
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{
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struct stat st;
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if (stat(file, &st) < 0) return 0;
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return st.st_size;
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}
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/**
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* @brief Check if the given file exists.
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*
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* @param file The name of the file.
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* @return Return EINA_TRUE if the file exists, EINA_FALSE otherwise.
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*
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* This function returns EINA_TRUE if @p file exists on local filesystem,
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* EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_exists(const char *file)
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{
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struct stat st;
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/*Workaround so that "/" returns a true, otherwise we can't monitor "/" in ecore_file_monitor*/
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if (stat(file, &st) < 0 && strcmp(file, "/")) return EINA_FALSE;
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return EINA_TRUE;
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}
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/**
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* @brief Check if the given file is a directory.
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*
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* @param file The name of the file.
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* @return Return EINA_TRUE if the file exists and is a directory,
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* EINA_FALSE otherwise.
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*
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* This function returns EINA_TRUE if @p file exists exists and is a
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* directory on local filesystem, EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_is_dir(const char *file)
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{
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struct stat st;
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if (stat(file, &st) < 0) return EINA_FALSE;
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if (S_ISDIR(st.st_mode)) return EINA_TRUE;
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return EINA_FALSE;
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}
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static mode_t default_mode = S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
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/**
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* @brief Create a new directory.
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*
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* @param dir The name of the directory to create
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* @return EINA_TRUE on successful creation, EINA_FALSE otherwise.
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*
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* This function creates the directory @p dir with the mode S_IRUSR |
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* S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH. On
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* success, it returns EINA_TRUE, EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_mkdir(const char *dir)
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{
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if (mkdir(dir, default_mode) < 0) return EINA_FALSE;
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return EINA_TRUE;
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}
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/**
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* @brief Create complete directory in a batch.
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*
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* @param dirs The list of directories, null terminated.
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* @return The number of successful directories created, -1 if dirs is
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* @c NULL.
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*
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* This function creates all the directories that are in the null
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* terminated array @p dirs. The function loops over the directories
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* and call ecore_file_mkdir(). This function returns -1 if @p dirs is
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* @c NULL, otherwise if returns the number of suceesfully created
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* directories.
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*/
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EAPI int
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ecore_file_mkdirs(const char **dirs)
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{
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int i = 0;
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if (!dirs) return -1;
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for (; *dirs; dirs++)
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if (ecore_file_mkdir(*dirs))
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i++;
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return i;
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}
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/**
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* @brief Create complete list of sub-directories in a batch (optimized).
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*
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* @param base The base directory to act on.
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* @param subdirs The list of directories, null terminated.
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* @return number of successful directories created, -1 on failure.
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*
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* This function creates all the directories that are in the null
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* terminated array @p dirs in the @p base directory. If @p base does
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* not exist, it will be created. The function loops over the directories
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* and call ecore_file_mkdir(). The whole path of the directories must
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* exist. So if base/a/b/c wants to be created, @p subdirs must
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* contain "a", "a/b" and "a/b/c", in that order. This function
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* returns -1 if @p dirs or @p base are @c NULL, or if @p base is
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* empty ("\0"). It returns 0 is @p base is not a directory or
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* invalid, or if it can't be created. Otherwise if returns the number
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* of suceesfully created directories.
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*/
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EAPI int
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ecore_file_mksubdirs(const char *base, const char **subdirs)
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{
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#ifndef HAVE_ATFILE_SOURCE
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char buf[PATH_MAX];
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int baselen;
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#else
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int fd;
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DIR *dir;
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#endif
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int i;
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if (!subdirs) return -1;
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if ((!base) || (base[0] == '\0')) return -1;
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if ((!ecore_file_is_dir(base)) && (!ecore_file_mkpath(base)))
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return 0;
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#ifndef HAVE_ATFILE_SOURCE
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baselen = eina_strlcpy(buf, base, sizeof(buf));
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if ((baselen < 1) || (baselen + 1 >= (int)sizeof(buf)))
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return 0;
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if (buf[baselen - 1] != '/')
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{
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buf[baselen] = '/';
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baselen++;
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}
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#else
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dir = opendir(base);
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if (!dir)
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return 0;
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fd = dirfd(dir);
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#endif
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i = 0;
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for (; *subdirs; subdirs++)
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{
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struct stat st;
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#ifndef HAVE_ATFILE_SOURCE
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eina_strlcpy(buf + baselen, *subdirs, sizeof(buf) - baselen);
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if (stat(buf, &st) == 0)
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#else
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if (fstatat(fd, *subdirs, &st, 0) == 0)
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#endif
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{
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if (S_ISDIR(st.st_mode))
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{
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i++;
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continue;
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}
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}
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else
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{
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if (errno == ENOENT)
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{
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#ifndef HAVE_ATFILE_SOURCE
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if (mkdir(buf, default_mode) == 0)
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#else
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if (mkdirat(fd, *subdirs, default_mode) == 0)
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#endif
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{
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i++;
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continue;
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}
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}
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}
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}
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#ifdef HAVE_ATFILE_SOURCE
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closedir(dir);
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#endif
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return i;
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}
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/**
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* @brief Delete the given directory.
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*
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* @param dir The name of the directory to delete.
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* @return EINA_TRUE on success, EINA_FALSE otherwise.
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*
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* This function deletes @p dir. It returns EINA_TRUE on success,
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* EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_rmdir(const char *dir)
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{
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if (rmdir(dir) < 0) return EINA_FALSE;
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return EINA_TRUE;
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}
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/**
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* @brief Delete the given file.
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*
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* @param file The name of the file to delete.
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* @return EINA_TRUE on success, EINA_FALSE otherwise.
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*
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* This function deletes @p file. It returns EINA_TRUE on success,
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* EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_unlink(const char *file)
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{
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if (unlink(file) < 0) return EINA_FALSE;
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return EINA_TRUE;
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}
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/**
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* @brief Remove the given file or directory.
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*
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* @param file The name of the file or directory to delete.
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* @return EINA_TRUE on success, EINA_FALSE otherwise.
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*
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* This function removes @p file. It returns EINA_TRUE on success,
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* EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_remove(const char *file)
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{
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if (remove(file) < 0) return EINA_FALSE;
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return EINA_TRUE;
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}
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/**
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* @brief Delete the given directory and all its contents.
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*
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* @param dir The name of the directory to delete.
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* @return EINA_TRUE on success, EINA_FALSE otherwise.
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*
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* This function delete @p dir and all its contents. If @p dir is a
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* link only the link is removed. It returns EINA_TRUE on success,
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* EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_recursive_rm(const char *dir)
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{
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DIR *dirp;
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struct dirent *dp;
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char path[PATH_MAX], buf[PATH_MAX];
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struct stat st;
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int ret;
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if (readlink(dir, buf, sizeof(buf)) > 0)
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return ecore_file_unlink(dir);
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ret = stat(dir, &st);
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if ((ret == 0) && (S_ISDIR(st.st_mode)))
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{
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ret = 1;
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if (stat(dir, &st) == -1) return EINA_FALSE;
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dirp = opendir(dir);
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if (dirp)
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{
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while ((dp = readdir(dirp)))
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{
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if ((strcmp(dp->d_name, ".")) && (strcmp(dp->d_name, "..")))
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{
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snprintf(path, PATH_MAX, "%s/%s", dir, dp->d_name);
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if (!ecore_file_recursive_rm(path))
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ret = 0;
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}
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}
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closedir(dirp);
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}
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if (!ecore_file_rmdir(dir)) ret = 0;
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if (ret)
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return EINA_TRUE;
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else
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return EINA_FALSE;
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}
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else
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{
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if (ret == -1) return EINA_FALSE;
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return ecore_file_unlink(dir);
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}
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}
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static inline Eina_Bool
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_ecore_file_mkpath_if_not_exists(const char *path)
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{
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struct stat st;
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if (stat(path, &st) < 0)
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return ecore_file_mkdir(path);
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else if (!S_ISDIR(st.st_mode))
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return EINA_FALSE;
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else
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return EINA_TRUE;
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}
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/**
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* @brief Create a complete path.
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*
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* @param path The path to create
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* @return EINA_TRUE on success, EINA_FALSE otherwise.
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*
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* This function create @p path and all the subdirectories it
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* contains. The separator is '/' so, on Windows, '\' must be replaced
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* by '/'. If @p path exists, this function returns EINA_TRUE
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* immediatly. It returns EINA_TRUE on success, EINA_FALSE otherwise.
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*/
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EAPI Eina_Bool
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ecore_file_mkpath(const char *path)
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{
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char ss[PATH_MAX];
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unsigned int i;
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if (ecore_file_is_dir(path))
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return EINA_TRUE;
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for (i = 0; path[i] != '\0'; ss[i] = path[i], i++)
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{
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if (i == sizeof(ss) - 1) return EINA_FALSE;
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if ((path[i] == '/') && (i > 0))
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{
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ss[i] = '\0';
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if (!_ecore_file_mkpath_if_not_exists(ss))
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return EINA_FALSE;
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}
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}
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ss[i] = '\0';
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return _ecore_file_mkpath_if_not_exists(ss);
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}
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/**
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* @brief Create complete paths in a batch.
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*
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* @param paths list of paths, null terminated.
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* @return number of successful paths created, -1 if paths is NULL.
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*
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* This function creates all the directories that are in the null
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* terminated array @p paths. The function loops over the directories
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* and call ecore_file_mkpath(), hence on Windows, '\' must be
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* replaced by '/' before calling that function. This function
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* returns -1 if @p paths is @c NULL. Otherwise if returns the number
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* of suceesfully created directories.
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*/
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EAPI int
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ecore_file_mkpaths(const char **paths)
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{
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int i = 0;
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if (!paths) return -1;
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for (; *paths; paths++)
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if (ecore_file_mkpath(*paths))
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i++;
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return i;
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}
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/**
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* @brief Copy the given file to the given destination.
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*
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* @param src The name of the source file.
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* @param dst The name of the destination file.
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* @return EINA_TRUE on success, EINA_FALSE otherwise.
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*
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* This function copies @p src to @p dst. If the absolute path name of
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* @p src and @p dst can not be computed, or if they are equal, or if
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* the copy fails, the function returns EINA_FALSE, otherwise it
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* returns EINA_TRUE.
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*/
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EAPI Eina_Bool
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ecore_file_cp(const char *src, const char *dst)
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{
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FILE *f1, *f2;
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char buf[16384];
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char realpath1[PATH_MAX], realpath2[PATH_MAX];
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size_t num;
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Eina_Bool ret = EINA_TRUE;
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if (!realpath(src, realpath1)) return EINA_FALSE;
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if (realpath(dst, realpath2) && !strcmp(realpath1, realpath2)) return EINA_FALSE;
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f1 = fopen(src, "rb");
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if (!f1) return EINA_FALSE;
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f2 = fopen(dst, "wb");
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if (!f2)
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{
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fclose(f1);
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return EINA_FALSE;
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}
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while ((num = fread(buf, 1, sizeof(buf), f1)) > 0)
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{
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if (fwrite(buf, 1, num, f2) != num) ret = EINA_FALSE;
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}
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fclose(f1);
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fclose(f2);
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return ret;
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}
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/**
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* @brief Move the given file to the given destination.
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*
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|
* @param src The name of the source file.
|
|
* @param dst The name of the destination file.
|
|
* @return EINA_TRUE on success, EINA_FALSE otherwise.
|
|
*
|
|
* This function moves @p src to @p dst. It returns EINA_TRUE on
|
|
* success, EINA_FALSE otherwise.
|
|
*/
|
|
EAPI Eina_Bool
|
|
ecore_file_mv(const char *src, const char *dst)
|
|
{
|
|
char buf[PATH_MAX];
|
|
int fd;
|
|
|
|
if (rename(src, dst))
|
|
{
|
|
// File cannot be moved directly because
|
|
// it resides on a different mount point.
|
|
if (errno == EXDEV)
|
|
{
|
|
struct stat st;
|
|
|
|
// Make sure this is a regular file before
|
|
// we do anything fancy.
|
|
stat(src, &st);
|
|
if (S_ISREG(st.st_mode))
|
|
{
|
|
char *dir;
|
|
|
|
dir = ecore_file_dir_get(dst);
|
|
// Since we can't directly rename, try to
|
|
// copy to temp file in the dst directory
|
|
// and then rename.
|
|
snprintf(buf, sizeof(buf), "%s/.%s.tmp.XXXXXX",
|
|
dir, ecore_file_file_get(dst));
|
|
free(dir);
|
|
fd = mkstemp(buf);
|
|
if (fd < 0)
|
|
{
|
|
perror("mkstemp");
|
|
goto FAIL;
|
|
}
|
|
close(fd);
|
|
|
|
// Copy to temp file
|
|
if (!ecore_file_cp(src, buf))
|
|
goto FAIL;
|
|
|
|
// Set file permissions of temp file to match src
|
|
chmod(buf, st.st_mode);
|
|
|
|
// Try to atomically move temp file to dst
|
|
if (rename(buf, dst))
|
|
{
|
|
// If we still cannot atomically move
|
|
// do a normal copy and hope for the best.
|
|
if (!ecore_file_cp(buf, dst))
|
|
goto FAIL;
|
|
}
|
|
|
|
// Delete temporary file and src
|
|
ecore_file_unlink(buf);
|
|
ecore_file_unlink(src);
|
|
goto PASS;
|
|
}
|
|
}
|
|
goto FAIL;
|
|
}
|
|
|
|
PASS:
|
|
return EINA_TRUE;
|
|
|
|
FAIL:
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
/**
|
|
* @brief Create a symbolic link.
|
|
*
|
|
* @param src The name of the file to link.
|
|
* @param dest The name of link.
|
|
* @return EINA_TRUE on success, EINA_FALSE otherwise.
|
|
*
|
|
* This function create the symbolic link @p dest of @p src. This
|
|
* function does not work on Windows. It returns EINA_TRUE on success,
|
|
* EINA_FALSE otherwise.
|
|
*/
|
|
EAPI Eina_Bool
|
|
ecore_file_symlink(const char *src, const char *dest)
|
|
{
|
|
if (!symlink(src, dest)) return EINA_TRUE;
|
|
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the canonicalized absolute path name.
|
|
*
|
|
* @param file The file path.
|
|
* @return The canonicalized absolute pathname or an empty string on
|
|
* failure.
|
|
*
|
|
* This function returns the absolute path name of @p file as a newly
|
|
* allocated string. If @p file is @c NULL, or on error, this function
|
|
* returns an empty string. Otherwise, it returns the absolute path
|
|
* name. When not needed anymore, the returned value must be freed.
|
|
*/
|
|
EAPI char *
|
|
ecore_file_realpath(const char *file)
|
|
{
|
|
char buf[PATH_MAX];
|
|
|
|
/*
|
|
* Some implementations of realpath do not conform to the SUS.
|
|
* And as a result we must prevent a null arg from being passed.
|
|
*/
|
|
if (!file) return strdup("");
|
|
if (!realpath(file, buf)) return strdup("");
|
|
|
|
return strdup(buf);
|
|
}
|
|
|
|
/**
|
|
* Get the filename from a given path.
|
|
*
|
|
* @param path The complete path.
|
|
* @return The file name.
|
|
*
|
|
* This function returns the file name of @p path. If @p path is
|
|
* @c NULL, the functions returns @c NULL.
|
|
*/
|
|
EAPI const char *
|
|
ecore_file_file_get(const char *path)
|
|
{
|
|
char *result = NULL;
|
|
|
|
if (!path) return NULL;
|
|
if ((result = strrchr(path, '/'))) result++;
|
|
else result = (char *)path;
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the directory where the given file resides.
|
|
*
|
|
* @param file The name of the file.
|
|
* @return The directory name.
|
|
*
|
|
* This function returns the directory where @p file resides as anewly
|
|
* allocated string. If @p file is @c NULL or on error, this function
|
|
* returns @c NULL. When not needed anymore, the returned value must
|
|
* be freed.
|
|
*/
|
|
EAPI char *
|
|
ecore_file_dir_get(const char *file)
|
|
{
|
|
char *p;
|
|
char buf[PATH_MAX];
|
|
|
|
if (!file) return NULL;
|
|
strncpy(buf, file, PATH_MAX);
|
|
buf[PATH_MAX - 1] = 0;
|
|
p = dirname(buf);
|
|
return strdup(p);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the given file can be read.
|
|
*
|
|
* @param file The name of the file.
|
|
* @return EINA_TRUE if the file is readable, EINA_FALSE otherwise.
|
|
*
|
|
* This function returns EINA_TRUE if @p file can be read, EINA_FALSE
|
|
* otherwise.
|
|
*/
|
|
EAPI Eina_Bool
|
|
ecore_file_can_read(const char *file)
|
|
{
|
|
if (!file) return EINA_FALSE;
|
|
if (!access(file, R_OK)) return EINA_TRUE;
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the given file can be written.
|
|
*
|
|
* @param file The name of the file.
|
|
* @return EINA_TRUE if the file is writable, EINA_FALSE otherwise.
|
|
*
|
|
* This function returns EINA_TRUE if @p file can be written, EINA_FALSE
|
|
* otherwise.
|
|
*/
|
|
EAPI Eina_Bool
|
|
ecore_file_can_write(const char *file)
|
|
{
|
|
if (!file) return EINA_FALSE;
|
|
if (!access(file, W_OK)) return EINA_TRUE;
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
/**
|
|
* @bbrief Check if the given file can be executed.
|
|
*
|
|
* @param file The name of the file.
|
|
* @return EINA_TRUE if the file can be executed, EINA_FALSE otherwise.
|
|
*
|
|
* This function returns EINA_TRUE if @p file can be executed, EINA_FALSE
|
|
* otherwise.
|
|
*/
|
|
EAPI Eina_Bool
|
|
ecore_file_can_exec(const char *file)
|
|
{
|
|
if (!file) return EINA_FALSE;
|
|
if (!access(file, X_OK)) return EINA_TRUE;
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the path pointed by the given link.
|
|
*
|
|
* @param link The name of the link.
|
|
* @return The path pointed by link or NULL.
|
|
*
|
|
* This function returns the path pointed by @p link as a newly
|
|
* allocated string. This function does not work on Windows. On
|
|
* failure, the function returns @c NULL. When not needed anymore, the
|
|
* returned value must be freed.
|
|
*/
|
|
EAPI char *
|
|
ecore_file_readlink(const char *link)
|
|
{
|
|
char buf[PATH_MAX];
|
|
int count;
|
|
|
|
if ((count = readlink(link, buf, sizeof(buf) - 1)) < 0) return NULL;
|
|
buf[count] = 0;
|
|
return strdup(buf);
|
|
}
|
|
|
|
/**
|
|
* @brief Get the list of the files and directories in the given
|
|
* directory.
|
|
*
|
|
* @param dir The name of the directory to list
|
|
* @return Return an Eina_List containing all the files in the directory;
|
|
* on failure it returns NULL.
|
|
*
|
|
* This function returns a list of allocated strings of all the files
|
|
* and directories contained in @p dir. The list will be sorted with
|
|
* strcoll as compare function. That means that you may want to set
|
|
* the current locale for the category LC_COLLATE with
|
|
* setlocale(). For more information see the manual pages of strcoll
|
|
* and setlocale. The list will not contain the directory entries for
|
|
* '.' and '..'. On failure, @c NULL is returned. When not needed
|
|
* anymore, the list elements must be freed.
|
|
*/
|
|
EAPI Eina_List *
|
|
ecore_file_ls(const char *dir)
|
|
{
|
|
char *f;
|
|
DIR *dirp;
|
|
struct dirent *dp;
|
|
Eina_List *list = NULL;
|
|
|
|
dirp = opendir(dir);
|
|
if (!dirp) return NULL;
|
|
|
|
while ((dp = readdir(dirp)))
|
|
{
|
|
if ((strcmp(dp->d_name, ".")) && (strcmp(dp->d_name, "..")))
|
|
{
|
|
f = strdup(dp->d_name);
|
|
list = eina_list_append(list, f);
|
|
}
|
|
}
|
|
closedir(dirp);
|
|
|
|
list = eina_list_sort(list, eina_list_count(list), EINA_COMPARE_CB(strcoll));
|
|
|
|
return list;
|
|
}
|
|
|
|
/**
|
|
* @brief Return the executable from the given command.
|
|
*
|
|
* @param app The application command, with parameters.
|
|
*
|
|
* This function returns the executable from @p app as a newly
|
|
* allocated string. Arguments are removed and escae characters are
|
|
* handled. If @p app is @c NULL, or on failure, the function returns
|
|
* @c NULL. When not needed anymore, the returned value must be freed.
|
|
*/
|
|
EAPI char *
|
|
ecore_file_app_exe_get(const char *app)
|
|
{
|
|
char *p, *pp, *exe1 = NULL, *exe2 = NULL;
|
|
char *exe = NULL;
|
|
int in_quot_dbl = 0, in_quot_sing = 0, restart = 0;
|
|
|
|
if (!app) return NULL;
|
|
|
|
p = (char *)app;
|
|
restart:
|
|
while ((*p) && (isspace(*p))) p++;
|
|
exe1 = p;
|
|
while (*p)
|
|
{
|
|
if (in_quot_sing)
|
|
{
|
|
if (*p == '\'')
|
|
in_quot_sing = 0;
|
|
}
|
|
else if (in_quot_dbl)
|
|
{
|
|
if (*p == '\"')
|
|
in_quot_dbl = 0;
|
|
}
|
|
else
|
|
{
|
|
if (*p == '\'')
|
|
in_quot_sing = 1;
|
|
else if (*p == '\"')
|
|
in_quot_dbl = 1;
|
|
if ((isspace(*p)) && (!((p > app) && (p[-1] != '\\'))))
|
|
break;
|
|
}
|
|
p++;
|
|
}
|
|
exe2 = p;
|
|
if (exe2 == exe1) return NULL;
|
|
if (*exe1 == '~')
|
|
{
|
|
char *homedir;
|
|
int len;
|
|
|
|
/* Skip ~ */
|
|
exe1++;
|
|
|
|
homedir = getenv("HOME");
|
|
if (!homedir) return NULL;
|
|
len = strlen(homedir);
|
|
if (exe) free(exe);
|
|
exe = malloc(len + exe2 - exe1 + 2);
|
|
if (!exe) return NULL;
|
|
pp = exe;
|
|
if (len)
|
|
{
|
|
strcpy(exe, homedir);
|
|
pp += len;
|
|
if (*(pp - 1) != '/')
|
|
{
|
|
*pp = '/';
|
|
pp++;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (exe) free(exe);
|
|
exe = malloc(exe2 - exe1 + 1);
|
|
if (!exe) return NULL;
|
|
pp = exe;
|
|
}
|
|
p = exe1;
|
|
restart = 0;
|
|
in_quot_dbl = 0;
|
|
in_quot_sing = 0;
|
|
while (*p)
|
|
{
|
|
if (in_quot_sing)
|
|
{
|
|
if (*p == '\'')
|
|
in_quot_sing = 0;
|
|
else
|
|
{
|
|
*pp = *p;
|
|
pp++;
|
|
}
|
|
}
|
|
else if (in_quot_dbl)
|
|
{
|
|
if (*p == '\"')
|
|
in_quot_dbl = 0;
|
|
else
|
|
{
|
|
/* technically this is wrong. double quotes also accept
|
|
* special chars:
|
|
*
|
|
* $, `, \
|
|
*/
|
|
*pp = *p;
|
|
pp++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* technically we should handle special chars:
|
|
*
|
|
* $, `, \, etc.
|
|
*/
|
|
if ((p > exe1) && (p[-1] == '\\'))
|
|
{
|
|
if (*p != '\n')
|
|
{
|
|
*pp = *p;
|
|
pp++;
|
|
}
|
|
}
|
|
else if ((p > exe1) && (*p == '='))
|
|
{
|
|
restart = 1;
|
|
*pp = *p;
|
|
pp++;
|
|
}
|
|
else if (*p == '\'')
|
|
in_quot_sing = 1;
|
|
else if (*p == '\"')
|
|
in_quot_dbl = 1;
|
|
else if (isspace(*p))
|
|
{
|
|
if (restart)
|
|
goto restart;
|
|
else
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
*pp = *p;
|
|
pp++;
|
|
}
|
|
}
|
|
p++;
|
|
}
|
|
*pp = 0;
|
|
return exe;
|
|
}
|
|
|
|
/**
|
|
* @brief Add the escape sequence ('\\') to the given file name.
|
|
*
|
|
* @param filename The file name.
|
|
* @return The file name with special characters escaped.
|
|
*
|
|
* This function adds the escape sequence ('\\') to the given file
|
|
* name and returns the result as a newly allocated string. If the
|
|
* length of the returned string is longer than PATH_MAX, or on
|
|
* failure, @c NULL is returned. When not needed anymore, the returned
|
|
* value must be freed.
|
|
*/
|
|
EAPI char *
|
|
ecore_file_escape_name(const char *filename)
|
|
{
|
|
const char *p;
|
|
char *q;
|
|
char buf[PATH_MAX];
|
|
|
|
p = filename;
|
|
q = buf;
|
|
while (*p)
|
|
{
|
|
if ((q - buf) > (PATH_MAX - 6)) return NULL;
|
|
if (
|
|
(*p == ' ') || (*p == '\t') || (*p == '\n') ||
|
|
(*p == '\\') || (*p == '\'') || (*p == '\"') ||
|
|
(*p == ';') || (*p == '!') || (*p == '#') ||
|
|
(*p == '$') || (*p == '%') || (*p == '&') ||
|
|
(*p == '*') || (*p == '(') || (*p == ')') ||
|
|
(*p == '[') || (*p == ']') || (*p == '{') ||
|
|
(*p == '}') || (*p == '|') || (*p == '<') ||
|
|
(*p == '>') || (*p == '?')
|
|
)
|
|
{
|
|
*q = '\\';
|
|
q++;
|
|
}
|
|
*q = *p;
|
|
q++;
|
|
p++;
|
|
}
|
|
*q = 0;
|
|
return strdup(buf);
|
|
}
|
|
|
|
/**
|
|
* @bried Remove the extension from the given file name.
|
|
*
|
|
* @param path The name of the file.
|
|
* @return A newly allocated string with the extension stripped out or
|
|
* NULL on errors.
|
|
*
|
|
* This function removes the extension from @p path and returns the
|
|
* result as a newly allocated string. If @p path is @c NULL, or on
|
|
* failure, the function returns @c NULL. When not needed anymore, the
|
|
* returned value must be freed.
|
|
*/
|
|
EAPI char *
|
|
ecore_file_strip_ext(const char *path)
|
|
{
|
|
char *p, *file = NULL;
|
|
|
|
if (!path)
|
|
return NULL;
|
|
|
|
p = strrchr(path, '.');
|
|
if (!p)
|
|
file = strdup(path);
|
|
else if (p != path)
|
|
{
|
|
file = malloc(((p - path) + 1) * sizeof(char));
|
|
if (file)
|
|
{
|
|
memcpy(file, path, (p - path));
|
|
file[p - path] = 0;
|
|
}
|
|
}
|
|
|
|
return file;
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the given directory is empty.
|
|
*
|
|
* @param dir The name of the directory to check.
|
|
* @return 1 if directory is empty, 0 if it has at least one file or
|
|
* -1 in case of errors.
|
|
*
|
|
* This functions checks if @p dir is empty. The '.' and '..' files
|
|
* will be ignored. If @p dir is empty, 1 is returned, if it contains
|
|
* at least 1 file, 0 is returned. On failure, -1 is returned.
|
|
*/
|
|
EAPI int
|
|
ecore_file_dir_is_empty(const char *dir)
|
|
{
|
|
DIR *dirp;
|
|
struct dirent *dp;
|
|
|
|
dirp = opendir(dir);
|
|
if (!dirp) return -1;
|
|
|
|
while ((dp = readdir(dirp)))
|
|
{
|
|
if ((strcmp(dp->d_name, ".")) && (strcmp(dp->d_name, "..")))
|
|
{
|
|
closedir(dirp);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
closedir(dirp);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|