552 lines
9.7 KiB
C
552 lines
9.7 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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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 __linux__
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#include <features.h>
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#endif
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#include <ctype.h>
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#include "ecore_file_private.h"
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#include <errno.h>
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static int init = 0;
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/* externally accessible functions */
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EAPI int
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ecore_file_init()
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{
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if (++init != 1) return init;
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if (!ecore_file_monitor_init())
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goto error;
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if (!ecore_file_path_init())
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goto error;
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if (!ecore_file_download_init())
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goto error;
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return init;
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error:
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ecore_file_monitor_shutdown();
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ecore_file_path_shutdown();
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ecore_file_download_shutdown();
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return --init;
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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 (--init != 0) return init;
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ecore_file_monitor_shutdown();
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ecore_file_path_shutdown();
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ecore_file_download_shutdown();
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return init;
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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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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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EAPI int
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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 0;
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return 1;
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}
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EAPI int
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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 0;
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if (S_ISDIR(st.st_mode)) return 1;
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return 0;
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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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EAPI int
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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 0;
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return 1;
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}
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EAPI int
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ecore_file_rmdir(const char *dir)
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{
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if (rmdir(dir) < 0) return 0;
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return 1;
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}
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EAPI int
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ecore_file_unlink(const char *file)
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{
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if (unlink(file) < 0) return 0;
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return 1;
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}
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EAPI int
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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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{
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return ecore_file_unlink(dir);
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}
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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 0;
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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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return ret;
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}
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else
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{
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if (ret == -1) return 0;
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return ecore_file_unlink(dir);
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}
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return 1;
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}
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EAPI int
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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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int i;
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ss[0] = 0;
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i = 0;
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while (path[i])
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{
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if (i == sizeof(ss) - 1) return 0;
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ss[i] = path[i];
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ss[i + 1] = 0;
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if (path[i] == '/')
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{
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ss[i] = 0;
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if ((ecore_file_exists(ss)) && (!ecore_file_is_dir(ss))) return 0;
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else if (!ecore_file_exists(ss)) ecore_file_mkdir(ss);
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ss[i] = '/';
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}
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i++;
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}
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if ((ecore_file_exists(ss)) && (!ecore_file_is_dir(ss))) return 0;
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else if (!ecore_file_exists(ss)) ecore_file_mkdir(ss);
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return 1;
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}
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EAPI int
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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];
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char realpath2[PATH_MAX];
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size_t num;
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int ret = 1;
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if (!realpath(src, realpath1)) return 0;
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if (realpath(dst, realpath2) && !strcmp(realpath1, realpath2)) return 0;
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f1 = fopen(src, "rb");
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if (!f1) return 0;
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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 0;
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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 = 0;
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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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EAPI int
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ecore_file_mv(const char *src, const char *dst)
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{
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if (ecore_file_exists(dst)) return 0;
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if (rename(src, dst))
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{
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if (errno == EXDEV)
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{
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struct stat st;
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stat(src, &st);
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if (S_ISREG(st.st_mode))
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{
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ecore_file_cp(src, dst);
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chmod(dst, st.st_mode);
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ecore_file_unlink(src);
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return 1;
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}
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}
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return 0;
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}
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return 1;
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}
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EAPI int
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ecore_file_symlink(const char *src, const char *dest)
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{
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if (!symlink(src, dest)) return 1;
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return 0;
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}
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EAPI char *
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ecore_file_realpath(const char *file)
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{
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char buf[PATH_MAX];
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if (!realpath(file, buf)) return strdup("");
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return strdup(buf);
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}
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EAPI const char *
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ecore_file_file_get(const char *path)
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{
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char *result = NULL;
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if (!path) return NULL;
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if ((result = strrchr(path, '/'))) result++;
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else result = (char *)path;
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return result;
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}
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EAPI char *
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ecore_file_dir_get(const char *file)
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{
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char *p;
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char buf[PATH_MAX];
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strncpy(buf, file, PATH_MAX);
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p = strrchr(buf, '/');
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if (!p)
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{
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return strdup(file);
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}
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if (p == buf) return strdup("/");
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*p = 0;
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return strdup(buf);
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}
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EAPI int
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ecore_file_can_read(const char *file)
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{
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if (!file) return 0;
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if (!access(file, R_OK)) return 1;
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return 0;
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}
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EAPI int
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ecore_file_can_write(const char *file)
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{
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if (!file) return 0;
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if (!access(file, W_OK)) return 1;
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return 0;
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}
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EAPI int
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ecore_file_can_exec(const char *file)
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{
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if (!file) return 0;
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if (!access(file, X_OK)) return 1;
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return 0;
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}
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EAPI char *
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ecore_file_readlink(const char *link)
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{
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char buf[PATH_MAX];
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int count;
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if ((count = readlink(link, buf, sizeof(buf))) < 0) return NULL;
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buf[count] = 0;
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return strdup(buf);
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}
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EAPI Ecore_List *
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ecore_file_ls(const char *dir)
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{
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char *f;
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DIR *dirp;
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struct dirent *dp;
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Ecore_List *list;
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dirp = opendir(dir);
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if (!dirp) return NULL;
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list = ecore_list_new();
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ecore_list_free_cb_set(list, free);
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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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f = strdup(dp->d_name);
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ecore_list_append(list, f);
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}
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}
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closedir(dirp);
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ecore_list_sort(list, ECORE_COMPARE_CB(strcoll), ECORE_SORT_MIN);
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ecore_list_first_goto(list);
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return list;
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}
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EAPI char *
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ecore_file_app_exe_get(const char *app)
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{
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char *p, *pp, *exe1 = NULL, *exe2 = NULL;
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char *exe = NULL;
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int in_quot_dbl = 0, in_quot_sing = 0, restart = 0;
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if (!app) return NULL;
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p = (char *)app;
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restart:
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while ((*p) && (isspace(*p))) p++;
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exe1 = p;
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while (*p)
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{
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if (in_quot_sing)
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{
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if (*p == '\'')
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in_quot_sing = 0;
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}
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else if (in_quot_dbl)
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{
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if (*p == '\"')
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in_quot_dbl = 0;
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}
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else
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{
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if (*p == '\'')
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in_quot_sing = 1;
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else if (*p == '\"')
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in_quot_dbl = 1;
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if ((isspace(*p)) && (!((p > app) && (p[-1] != '\\'))))
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break;
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}
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p++;
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}
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exe2 = p;
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if (exe2 == exe1) return NULL;
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if (*exe1 == '~')
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{
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char *homedir;
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int len;
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/* Skip ~ */
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exe1++;
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homedir = getenv("HOME");
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if (!homedir) return NULL;
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len = strlen(homedir);
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if (exe) free(exe);
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exe = malloc(len + exe2 - exe1 + 2);
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if (!exe) return NULL;
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pp = exe;
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if (len)
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{
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strcpy(exe, homedir);
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pp += len;
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if (*(pp - 1) != '/')
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{
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*pp = '/';
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pp++;
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}
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}
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}
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else
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{
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if (exe) free(exe);
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exe = malloc(exe2 - exe1 + 1);
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if (!exe) return NULL;
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pp = exe;
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}
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p = exe1;
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restart = 0;
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in_quot_dbl = 0;
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in_quot_sing = 0;
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while (*p)
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{
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if (in_quot_sing)
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{
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if (*p == '\'')
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in_quot_sing = 0;
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else
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{
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*pp = *p;
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pp++;
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}
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}
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else if (in_quot_dbl)
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{
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if (*p == '\"')
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in_quot_dbl = 0;
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else
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{
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/* techcincally this is wrong. double quotes also accept
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* special chars:
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*
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* $, `, \
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*/
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*pp = *p;
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pp++;
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}
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}
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else
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{
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/* technically we should handle special chars:
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*
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* $, `, \, etc.
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*/
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if ((p > exe1) && (p[-1] == '\\'))
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{
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if (*p != '\n')
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{
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*pp = *p;
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pp++;
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}
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}
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else if ((p > exe1) && (*p == '='))
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{
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restart = 1;
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*pp = *p;
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pp++;
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}
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else if (*p == '\'')
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in_quot_sing = 1;
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else if (*p == '\"')
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in_quot_dbl = 1;
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else if (isspace(*p))
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{
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if (restart)
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goto restart;
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else
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break;
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}
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else
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{
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*pp = *p;
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pp++;
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}
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}
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p++;
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}
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*pp = 0;
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return exe;
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}
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EAPI char *
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ecore_file_escape_name(const char *filename)
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{
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const char *p;
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char *q;
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char buf[PATH_MAX];
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p = filename;
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q = buf;
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while (*p)
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{
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if ((q - buf) > (PATH_MAX - 6)) return NULL;
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if (
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(*p == ' ') || (*p == '\t') || (*p == '\n') ||
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(*p == '\\') || (*p == '\'') || (*p == '\"') ||
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(*p == ';') || (*p == '!') || (*p == '#') ||
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(*p == '$') || (*p == '%') || (*p == '&') ||
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(*p == '*') || (*p == '(') || (*p == ')') ||
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(*p == '[') || (*p == ']') || (*p == '{') ||
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(*p == '}') || (*p == '|') || (*p == '<') ||
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(*p == '>') || (*p == '?')
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)
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{
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*q = '\\';
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q++;
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}
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*q = *p;
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q++;
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p++;
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}
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*q = 0;
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return strdup(buf);
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}
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EAPI char *
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ecore_file_strip_ext(const char *path)
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{
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char *p, *file = NULL;
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p = strrchr(path, '.');
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if (!p)
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{
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file = strdup(path);
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}
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else if (p != path)
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{
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file = malloc(((p - path) + 1) * sizeof(char));
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if (file)
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{
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memcpy(file, path, (p - path));
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file[p - path] = 0;
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}
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}
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return file;
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}
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