19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Lesser General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2.1 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Lesser General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Lesser General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free Software 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_stdinc.h" 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifndef HAVE_GETENV 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if defined(__WIN32__) && !defined(_WIN32_WCE) && !defined(__SYMBIAN32__) 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define WIN32_LEAN_AND_MEAN 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <windows.h> 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Note this isn't thread-safe! */ 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic char *SDL_envmem = NULL; /* Ugh, memory leak */ 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic size_t SDL_envmemlen = 0; 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Put a variable of the form "name=value" into the environment */ 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_putenv(const char *variable) 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall size_t bufferlen; 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *value; 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const char *sep; 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall sep = SDL_strchr(variable, '='); 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( sep == NULL ) { 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return -1; 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall bufferlen = SDL_strlen(variable)+1; 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( bufferlen > SDL_envmemlen ) { 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *newmem = (char *)SDL_realloc(SDL_envmem, bufferlen); 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( newmem == NULL ) { 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return -1; 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_envmem = newmem; 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_envmemlen = bufferlen; 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_strlcpy(SDL_envmem, variable, bufferlen); 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall value = SDL_envmem + (sep - variable); 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall *value++ = '\0'; 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( !SetEnvironmentVariable(SDL_envmem, *value ? value : NULL) ) { 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return -1; 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Retrieve a variable named "name" from the environment */ 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallchar *SDL_getenv(const char *name) 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall size_t bufferlen; 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall bufferlen = GetEnvironmentVariable(name, SDL_envmem, (DWORD)SDL_envmemlen); 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( bufferlen == 0 ) { 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return NULL; 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( bufferlen > SDL_envmemlen ) { 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *newmem = (char *)SDL_realloc(SDL_envmem, bufferlen); 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( newmem == NULL ) { 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return NULL; 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_envmem = newmem; 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_envmemlen = bufferlen; 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall GetEnvironmentVariable(name, SDL_envmem, (DWORD)SDL_envmemlen); 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_envmem; 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#else /* roll our own */ 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic char **SDL_env = (char **)0; 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Put a variable of the form "name=value" into the environment */ 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_putenv(const char *variable) 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const char *name, *value; 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int added; 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int len, i; 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char **new_env; 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *new_variable; 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* A little error checking */ 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! variable ) { 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall name = variable; 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( value=variable; *value && (*value != '='); ++value ) { 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Keep looking for '=' */ ; 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( *value ) { 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ++value; 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Allocate memory for the variable */ 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall new_variable = SDL_strdup(variable); 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! new_variable ) { 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Actually put it into the environment */ 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall added = 0; 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall i = 0; 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_env ) { 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Check to see if it's already there... */ 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall len = (value - name); 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( ; SDL_env[i]; ++i ) { 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_strncmp(SDL_env[i], name, len) == 0 ) { 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* If we found it, just replace the entry */ 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_env[i] ) { 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(SDL_env[i]); 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_env[i] = new_variable; 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall added = 1; 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Didn't find it in the environment, expand and add */ 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! added ) { 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall new_env = SDL_realloc(SDL_env, (i+2)*sizeof(char *)); 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( new_env ) { 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_env = new_env; 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_env[i++] = new_variable; 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_env[i++] = (char *)0; 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall added = 1; 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(new_variable); 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (added ? 0 : -1); 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Retrieve a variable named "name" from the environment */ 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallchar *SDL_getenv(const char *name) 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int len, i; 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *value; 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall value = (char *)0; 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_env ) { 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall len = SDL_strlen(name); 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; SDL_env[i] && !value; ++i ) { 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (SDL_strncmp(SDL_env[i], name, len) == 0) && 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (SDL_env[i][len] == '=') ) { 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall value = &SDL_env[i][len+1]; 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return value; 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* __WIN32__ */ 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* !HAVE_GETENV */ 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifdef TEST_MAIN 1799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <stdio.h> 1809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint main(int argc, char *argv[]) 1829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *value; 1849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Checking for non-existent variable... "); 1869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 1879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! SDL_getenv("EXISTS") ) { 1889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 1899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 1919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Setting FIRST=VALUE1 in the environment... "); 1939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 1949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_putenv("FIRST=VALUE1") == 0 ) { 1959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 1969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 1989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Getting FIRST from the environment... "); 2009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 2019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall value = SDL_getenv("FIRST"); 2029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( value && (SDL_strcmp(value, "VALUE1") == 0) ) { 2039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 2049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 2069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Setting SECOND=VALUE2 in the environment... "); 2089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 2099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_putenv("SECOND=VALUE2") == 0 ) { 2109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 2119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 2139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Getting SECOND from the environment... "); 2159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 2169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall value = SDL_getenv("SECOND"); 2179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( value && (SDL_strcmp(value, "VALUE2") == 0) ) { 2189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 2199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 2219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Setting FIRST=NOVALUE in the environment... "); 2239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 2249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_putenv("FIRST=NOVALUE") == 0 ) { 2259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 2269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 2289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Getting FIRST from the environment... "); 2309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 2319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall value = SDL_getenv("FIRST"); 2329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( value && (SDL_strcmp(value, "NOVALUE") == 0) ) { 2339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 2349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 2369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Checking for non-existent variable... "); 2389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fflush(stdout); 2399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! SDL_getenv("EXISTS") ) { 2409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("okay\n"); 2419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("failed\n"); 2439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 2459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* TEST_MAIN */ 2479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 248