From 66f6e9eff5c2b9f0d5c0bcffcfbc93bf2edaa7b3 Mon Sep 17 00:00:00 2001 From: Michael Drake Date: Thu, 17 Mar 2011 11:26:30 +0000 Subject: Rename utils/resource to utils/filepath to avoid confusion with resource: fetcher. svn path=/trunk/netsurf/; revision=12088 --- utils/resource.c | 310 ------------------------------------------------------- 1 file changed, 310 deletions(-) delete mode 100644 utils/resource.c (limited to 'utils/resource.c') diff --git a/utils/resource.c b/utils/resource.c deleted file mode 100644 index 80b1c8280..000000000 --- a/utils/resource.c +++ /dev/null @@ -1,310 +0,0 @@ -/* - * Copyright 2010 Vincent Sanders - * - * This file is part of NetSurf, http://www.netsurf-browser.org/ - * - * NetSurf is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * NetSurf is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -/** \file - * Provides utility functions for finding readable files. - * - * These functions are intended to make finding resource files more straightforward. - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "utils/config.h" -#include "utils/resource.h" - -/** maximum number of elements in the resource vector */ -#define MAX_RESPATH 128 - -/* exported interface documented in findresource.h */ -char *resource_vsfindfile(char *str, const char *format, va_list ap) -{ - char *realpathname; - char *pathname; - int len; - - pathname = malloc(PATH_MAX); - if (pathname == NULL) - return NULL; /* unable to allocate memory */ - - len = vsnprintf(pathname, PATH_MAX, format, ap); - - if ((len < 0) || (len >= PATH_MAX)) { - /* error or output exceeded PATH_MAX length so - * operation is doomed to fail. - */ - free(pathname); - return NULL; - } - - realpathname = realpath(pathname, str); - - free(pathname); - - if (realpathname != NULL) { - /* sucessfully expanded pathname */ - if (access(realpathname, R_OK) != 0) { - /* unable to read the file */ - return NULL; - } - } - - return realpathname; -} - -/* exported interface documented in findresource.h */ -char *resource_sfindfile(char *str, const char *format, ...) -{ - va_list ap; - char *ret; - - va_start(ap, format); - ret = resource_vsfindfile(str, format, ap); - va_end(ap); - - return ret; -} - -/* exported interface documented in findresource.h */ -char *resource_findfile(const char *format, ...) -{ - char *str; - char *ret; - va_list ap; - - str = malloc(PATH_MAX); - if (str == NULL) - return NULL; /* unable to allocate memory */ - - va_start(ap, format); - ret = resource_vsfindfile(str, format, ap); - va_end(ap); - - if (ret == NULL) - free(str); - - return ret; -} - -/* exported interface documented in findresource.h */ -char *resource_sfind(char **respathv, char *filepath, const char *filename) -{ - int respathc = 0; - - if ((respathv == NULL) || (respathv[0] == NULL) || (filepath == NULL)) - return NULL; - - while (respathv[respathc] != NULL) { - if (resource_sfindfile(filepath, "%s/%s", respathv[respathc], filename) != NULL) - return filepath; - - respathc++; - } - - return NULL; -} - -/* exported interface documented in findresource.h */ -char *resource_find(char **respathv, const char *filename) -{ - char *ret; - char *filepath; - - if ((respathv == NULL) || (respathv[0] == NULL)) - return NULL; - - filepath = malloc(PATH_MAX); - if (filepath == NULL) - return NULL; - - ret = resource_sfind(respathv, filepath, filename); - - if (ret == NULL) - free(filepath); - - return ret; -} - -/* exported interface documented in findresource.h */ -char *resource_sfinddef(char **respathv, char *filepath, const char *filename, const char *def) -{ - char t[PATH_MAX]; - char *ret; - - if ((respathv == NULL) || (respathv[0] == NULL) || (filepath == NULL)) - return NULL; - - ret = resource_sfind(respathv, filepath, filename); - - if ((ret == NULL) && (def != NULL)) { - /* search failed, return the path specified */ - ret = filepath; - if (def[0] == '~') { - snprintf(t, PATH_MAX, "%s/%s/%s", getenv("HOME"), def + 1, filename); - } else { - snprintf(t, PATH_MAX, "%s/%s", def, filename); - } - if (realpath(t, ret) == NULL) { - strcpy(ret, t); - } - - } - return ret; -} - - -/* exported interface documented in resource.h */ -char ** -resource_generate(char * const *pathv, const char * const *langv) -{ - char **respath; /* resource paths vector */ - int pathc = 0; - int langc = 0; - int respathc = 0; - struct stat dstat; - char tmppath[PATH_MAX]; - - respath = calloc(MAX_RESPATH, sizeof(char *)); - - while (pathv[pathc] != NULL) { - if ((stat(pathv[pathc], &dstat) == 0) && - S_ISDIR(dstat.st_mode)) { - /* path element exists and is a directory */ - langc = 0; - while (langv[langc] != NULL) { - snprintf(tmppath, sizeof tmppath, "%s/%s", pathv[pathc],langv[langc]); - if ((stat(tmppath, &dstat) == 0) && - S_ISDIR(dstat.st_mode)) { - /* path element exists and is a directory */ - respath[respathc++] = strdup(tmppath); - } - langc++; - } - respath[respathc++] = strdup(pathv[pathc]); - } - pathc++; - } - - return respath; -} - -/* expand ${} in a string into environment variables */ -static char * -expand_path(const char *path) -{ - char *exp = strdup(path); - int explen; - int cstart = -1; - int cloop = 0; - char *envv; - int envlen; - int replen; /* length of replacement */ - - if (exp == NULL) - return NULL; - - explen = strlen(exp) + 1; - - while (exp[cloop] != 0) { - if ((exp[cloop] == '$') && - (exp[cloop + 1] == '{')) { - cstart = cloop; - cloop++; - } - - if ((cstart != -1) && - (exp[cloop] == '}')) { - replen = cloop - cstart; - exp[cloop] = 0; - envv = getenv(exp + cstart + 2); - if (envv == NULL) { - memmove(exp + cstart, - exp + cloop + 1, - explen - cloop - 1); - explen -= replen; - } else { - envlen = strlen(envv); - exp = realloc(exp, explen + envlen - replen); - memmove(exp + cstart + envlen, - exp + cloop + 1, - explen - cloop - 1); - memmove(exp + cstart, envv, envlen); - explen += envlen - replen; - } - cloop -= replen; - cstart = -1; - } - - cloop++; - } - - return exp; -} - -/* exported interface documented in resource.h */ -char ** -resource_path_to_strvec(const char *path) -{ - char **strvec; - int strc = 0; - - strvec = calloc(MAX_RESPATH, sizeof(char *)); - if (strvec == NULL) - return NULL; - - strvec[strc] = expand_path(path); - if (strvec[strc] == NULL) { - free(strvec); - return NULL; - } - strc++; - - strvec[strc] = strchr(strvec[0], ':'); - while ((strc < (MAX_RESPATH - 2)) && - (strvec[strc] != NULL)) { - /* null terminate previous entry */ - *strvec[strc] = 0; - strvec[strc]++; - - /* skip colons */ - while (*strvec[strc] == ':') - strvec[strc]++; - - if (*strvec[strc] == 0) - break; /* string is terminated */ - - strc++; - - strvec[strc] = strchr(strvec[strc - 1], ':'); - } - - return strvec; -} - -/* exported interface documented in resource.h */ -void resource_free_strvec(char **pathv) -{ - free(pathv[0]); - free(pathv); -} -- cgit v1.2.3