[35aab3] | 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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[341696] | 4 | /* $Id$ */ |
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[35aab3] | 5 | /* |
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| 6 | * ABSTRACT: management of resources |
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| 7 | */ |
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| 8 | |
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| 9 | #include <stdlib.h> |
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| 10 | #include <unistd.h> |
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| 11 | #include <string.h> |
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[d9e190] | 12 | #include <unistd.h> |
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| 13 | #include <sys/param.h> |
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[35aab3] | 14 | |
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[630ca9] | 15 | #include "config.h" |
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[73c9c6] | 16 | #include <misc/auxiliary.h> |
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[b9b41a] | 17 | |
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[59a62bd] | 18 | #include "feResource.h" |
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[ac554b] | 19 | |
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[35aab3] | 20 | #ifdef AIX_4 |
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| 21 | #define HAVE_PUTENV 1 |
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| 22 | #endif |
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| 23 | |
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[f5de43] | 24 | #if defined(HPUX_10) || defined(HPUX_9) |
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| 25 | extern "C" int setenv(const char *name, const char *value, int overwrite); |
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| 26 | #endif |
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| 27 | |
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| 28 | |
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[73c9c6] | 29 | #include <reporter/reporter.h> |
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[35aab3] | 30 | #if !defined(ESINGULAR) && !defined(TSINGULAR) |
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[73c9c6] | 31 | #include <omalloc/omalloc.h> |
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[35aab3] | 32 | #else |
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| 33 | char* feResource(const char id, int warn = -1); |
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| 34 | char* feResource(const char* key, int warn = -1); |
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| 35 | #endif |
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| 36 | |
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| 37 | // define RESOURCE_DEBUG for chattering about resource management |
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| 38 | // #define RESOURCE_DEBUG |
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| 39 | |
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| 40 | #if defined(MAKE_DISTRIBUTION) |
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| 41 | #if defined(ix86_Win) && ! defined(__CYGWIN__) |
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| 42 | #define SINGULAR_DEFAULT_DIR "/Singular/"S_VERSION1 |
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| 43 | #else // unix |
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| 44 | #define SINGULAR_DEFAULT_DIR "/usr/local/Singular/"S_VERSION1 |
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| 45 | #endif |
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| 46 | #else // ! defined(MAKE_DISTRIBUTION) |
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| 47 | #define SINGULAR_DEFAULT_DIR S_ROOT_DIR |
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| 48 | #endif // defined(MAKE_DISTRIBUTION) |
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| 49 | |
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| 50 | /***************************************************************** |
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| 51 | * |
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| 52 | * Declarations: Data structures |
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| 53 | * |
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| 54 | *****************************************************************/ |
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| 55 | typedef enum {feResUndef = 0, feResBinary, feResDir, feResFile, feResUrl, feResPath} feResourceType; |
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| 56 | |
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| 57 | typedef struct feResourceConfig_s |
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| 58 | { |
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[85e68dd] | 59 | const char* key; // key to identify resource |
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| 60 | const char id; // char id to identify resource |
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[35aab3] | 61 | feResourceType type; // type of Resource |
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[85e68dd] | 62 | const char* env; // env variable to look for |
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| 63 | const char* fmt; // format string -- see below for epxlaination |
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[6867f5] | 64 | char* value; // what it was set to: may be changed |
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[35aab3] | 65 | } feResourceConfig_s; |
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| 66 | typedef feResourceConfig_s * feResourceConfig; |
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| 67 | |
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| 68 | // feSprintf transforms format strings as follows: |
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| 69 | // 1.) substrings of the form %c (c being a letter) are replaced by respective resource value |
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| 70 | // 2.) substrings of the form $string are replaced by value of resp. env variable |
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| 71 | |
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| 72 | // feCleanResource makes furthermore the following transformations (except for URL resources) |
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| 73 | // 1.) '/' characters are replaced by respective directory - separators |
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| 74 | // 2.) ';' characters are replaced by respective path separators |
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[bafa5b4] | 75 | static feResourceConfig_s feResourceConfigs[] = |
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[35aab3] | 76 | { |
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[bafa5b4] | 77 | {"SearchPath", 's', feResPath, NULL, |
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[35aab3] | 78 | "$SINGULARPATH;" |
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| 79 | "%b/LIB;" |
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[8e0511] | 80 | "%b/MOD;" |
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[8d1a1ab] | 81 | "%b/../lib/libpolys/MOD;" |
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[35aab3] | 82 | "%r/LIB;" |
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| 83 | "%r/../LIB;" |
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| 84 | "%d/LIB;" |
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[17b0b05] | 85 | "%d/../LIB;" |
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[75ddac] | 86 | "%b/gftables;" |
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[8d1a1ab] | 87 | "%b/../share/gftables;" |
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[c54848] | 88 | "%b/../factory/gftables;" |
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[17b0b05] | 89 | "%b/../../../factory/gftables;" |
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| 90 | "%b/../../factory/gftables", |
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[35aab3] | 91 | ""}, |
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[6867f5] | 92 | {"Singular", 'S', feResBinary,"SINGULAR_EXECUTABLE", "%d/"S_UNAME"/Singular",(char *)""}, |
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| 93 | {"BinDir", 'b', feResDir, "SINGULAR_BIN_DIR", "%d/"S_UNAME, (char *)""}, |
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| 94 | {"RootDir", 'r', feResDir, "SINGULAR_ROOT_DIR", "%b/..", (char *)""}, |
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| 95 | {"DefaultDir",'d', feResDir, "SINGULAR_DEFAULT_DIR", SINGULAR_DEFAULT_DIR, (char *)""}, |
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| 96 | {"InfoFile", 'i', feResFile, "SINGULAR_INFO_FILE", "%r/info/singular.hlp", (char *)""}, |
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| 97 | {"IdxFile", 'x', feResFile, "SINGULAR_IDX_FILE", "%r/doc/singular.idx", (char *)""}, |
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| 98 | {"HtmlDir", 'h', feResDir, "SINGULAR_HTML_DIR", "%r/html", (char *)""}, |
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[216772] | 99 | #ifdef ix86_Win |
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[6867f5] | 100 | {"HtmlHelpFile",'C', feResFile, "SINGULAR_CHM_FILE", "%r/doc/Manual.chm", (char *)""}, |
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[216772] | 101 | #endif |
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[6867f5] | 102 | {"ManualUrl", 'u', feResUrl, "SINGULAR_URL", "http://www.singular.uni-kl.de/Manual/"S_VERSION1, (char *)""}, |
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| 103 | {"ExDir", 'm', feResDir, "SINGULAR_EXAMPLES_DIR","%r/examples", (char *)""}, |
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| 104 | {"Path", 'p', feResPath, NULL, "%b;$PATH", (char *)""}, |
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[35aab3] | 105 | |
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| 106 | #ifdef ESINGULAR |
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[6867f5] | 107 | {"emacs", 'E', feResBinary,"ESINGULAR_EMACS", "%b/emacs", (char *)""}, |
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| 108 | {"xemacs", 'A', feResBinary,"ESINGULAR_EMACS", "%b/xemacs", (char *)""}, |
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| 109 | {"SingularEmacs",'M', feResBinary,"ESINGULAR_SINGULAR", "%b/Singular", (char *)""}, |
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| 110 | {"EmacsLoad", 'l', feResFile, "ESINGULAR_EMACS_LOAD", "%e/.emacs-singular", (char *)""}, |
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| 111 | {"EmacsDir", 'e', feResDir, "ESINGULAR_EMACS_DIR", "%r/emacs", (char *)""}, |
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[35aab3] | 112 | #elif defined(TSINGULAR) |
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[6867f5] | 113 | {"SingularXterm",'M', feResBinary,"TSINGULAR_SINGULAR", "%b/Singular", (char *)""}, |
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[bafa5b4] | 114 | #ifdef ix86_Win |
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[6867f5] | 115 | {"rxvt", 'X', feResBinary,"RXVT", "%b/rxvt", (char *)""}, |
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[bafa5b4] | 116 | #else |
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[6867f5] | 117 | {"xterm", 'X', feResBinary,"XTERM", "%b/xterm", (char *)""}, |
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[bafa5b4] | 118 | #endif |
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[35aab3] | 119 | #else |
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[6867f5] | 120 | {"EmacsDir", 'e', feResDir, "SINGULAR_EMACS_DIR", "%r/emacs", (char *)""}, |
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[35aab3] | 121 | #endif |
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| 122 | {NULL, 0, feResUndef, NULL, NULL, NULL}, // must be the last record |
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| 123 | }; |
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| 124 | |
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| 125 | |
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| 126 | /***************************************************************** |
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| 127 | * |
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| 128 | * Declarations: Local variables / functions |
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| 129 | * |
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| 130 | *****************************************************************/ |
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| 131 | char* feArgv0=NULL; |
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[b28bafe] | 132 | |
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[35aab3] | 133 | #define MAXRESOURCELEN 5*MAXPATHLEN |
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| 134 | |
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| 135 | static feResourceConfig feGetResourceConfig(const char id); |
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| 136 | static feResourceConfig feGetResourceConfig(const char* key); |
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| 137 | static char* feResource(feResourceConfig config, int warn); |
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| 138 | static char* feResourceDefault(feResourceConfig config); |
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| 139 | static char* feInitResource(feResourceConfig config, int warn); |
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| 140 | static char* feGetExpandedExecutable(); |
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| 141 | static BOOLEAN feVerifyResourceValue(feResourceType type, char* value); |
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| 142 | static char* feCleanResourceValue(feResourceType type, char* value); |
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| 143 | static char* feCleanUpFile(char* fname); |
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| 144 | static char* feCleanUpPath(char* path); |
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| 145 | static void mystrcpy(char* d, char* s); |
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| 146 | static char* feSprintf(char* s, const char* fmt, int warn = -1); |
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| 147 | #if defined(ix86_Win) && defined(__GNUC__) |
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| 148 | // utility function of Cygwin32: |
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| 149 | extern "C" int cygwin32_posix_path_list_p (const char *path); |
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| 150 | #endif |
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| 151 | |
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| 152 | /***************************************************************** |
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| 153 | * |
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| 154 | * Public functions |
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| 155 | * |
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| 156 | *****************************************************************/ |
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| 157 | char* feResource(const char* key, int warn) |
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| 158 | { |
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| 159 | return feResource(feGetResourceConfig(key), warn); |
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| 160 | } |
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| 161 | |
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[8c9912] | 162 | char* feResource(const char id, int warn) |
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[35aab3] | 163 | { |
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[8c9912] | 164 | return feResource(feGetResourceConfig(id), warn); |
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[35aab3] | 165 | } |
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| 166 | |
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[8c9912] | 167 | char* feGetResource(const char id) |
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[35aab3] | 168 | { |
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[8c9912] | 169 | return feResource(feGetResourceConfig(id), -1); |
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[35aab3] | 170 | } |
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| 171 | |
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| 172 | char* feResourceDefault(const char id) |
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| 173 | { |
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| 174 | return feResourceDefault(feGetResourceConfig(id)); |
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| 175 | } |
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| 176 | |
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| 177 | char* feResourceDefault(const char* key) |
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| 178 | { |
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| 179 | return feResourceDefault(feGetResourceConfig(key)); |
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| 180 | } |
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| 181 | |
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[b28bafe] | 182 | void feInitResources(const char* argv0) |
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[35aab3] | 183 | { |
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| 184 | #if defined(ix86_Win) && defined(__GNUC__) |
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| 185 | if (cygwin32_posix_path_list_p (getenv("PATH"))) |
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| 186 | fePathSep = ':'; |
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| 187 | #endif |
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[d9e190] | 188 | if (argv0==NULL) |
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| 189 | { |
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| 190 | feArgv0 = (char*)omAlloc0(MAXPATHLEN+strlen("/Singular")); |
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[b28bafe] | 191 | getcwd(feArgv0, MAXPATHLEN); |
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[d9e190] | 192 | strcpy(feArgv0+strlen(feArgv0),"/Singular"); |
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| 193 | } |
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| 194 | else |
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| 195 | feArgv0 = omStrDup(argv0); |
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[35aab3] | 196 | #ifdef RESOURCE_DEBUG |
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[d9e190] | 197 | printf("feInitResources: entering with argv0=%s=\n", feArgv0); |
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[35aab3] | 198 | #endif |
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| 199 | // init some Resources |
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| 200 | feResource('b'); |
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| 201 | feResource('r'); |
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| 202 | // don't complain about stuff when initializing SingularPath |
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| 203 | feResource('s',0); |
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| 204 | |
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| 205 | #if defined(HAVE_SETENV) || defined(HAVE_PUTENV) |
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| 206 | char* path = feResource('p'); |
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| 207 | #ifdef RESOURCE_DEBUG |
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| 208 | printf("feInitResources: setting path with argv0=%s=\n", path); |
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| 209 | #endif |
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| 210 | #ifdef HAVE_PUTENV |
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| 211 | if (path != NULL) { char *s=(char *)omAlloc0(strlen(path)+6); |
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| 212 | sprintf(s,"PATH=%s",path); |
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| 213 | putenv(s); |
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| 214 | } |
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| 215 | #else |
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| 216 | if (path != NULL) setenv("PATH", path, 1); |
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| 217 | #endif |
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| 218 | #endif |
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| 219 | } |
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| 220 | |
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| 221 | void feReInitResources() |
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| 222 | { |
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| 223 | int i = 0; |
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| 224 | while (feResourceConfigs[i].key != NULL) |
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| 225 | { |
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[a41623] | 226 | if (feResourceConfigs[i].value[0] != '\0') |
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[35aab3] | 227 | { |
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| 228 | if (feResourceConfigs[i].value != NULL) |
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| 229 | omFree(feResourceConfigs[i].value); |
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[6867f5] | 230 | feResourceConfigs[i].value = (char *)""; |
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[35aab3] | 231 | } |
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| 232 | i++; |
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| 233 | } |
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| 234 | #ifdef RESOURCE_DEBUG |
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| 235 | printf("feInitResources: entering with argv0=%s=\n", feArgv0); |
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| 236 | #endif |
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| 237 | // init some Resources |
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| 238 | feResource('b'); |
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| 239 | feResource('r'); |
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| 240 | // don't complain about stuff when initializing SingularPath |
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| 241 | feResource('s',0); |
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| 242 | } |
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| 243 | |
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| 244 | /***************************************************************** |
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| 245 | * |
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| 246 | * Local functions |
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| 247 | * |
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| 248 | *****************************************************************/ |
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| 249 | static feResourceConfig feGetResourceConfig(const char id) |
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| 250 | { |
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| 251 | int i = 0; |
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| 252 | while (feResourceConfigs[i].key != NULL) |
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| 253 | { |
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| 254 | if (feResourceConfigs[i].id == id) return &(feResourceConfigs[i]); |
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| 255 | i++; |
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| 256 | } |
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| 257 | return NULL; |
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| 258 | } |
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| 259 | |
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| 260 | static feResourceConfig feGetResourceConfig(const char* key) |
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| 261 | { |
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| 262 | int i = 0; |
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| 263 | while (feResourceConfigs[i].key != NULL) |
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| 264 | { |
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| 265 | if (strcmp(feResourceConfigs[i].key, key) == 0) |
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| 266 | return &(feResourceConfigs[i]); |
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| 267 | i++; |
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| 268 | } |
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| 269 | return NULL; |
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| 270 | } |
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| 271 | |
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| 272 | static char* feResource(feResourceConfig config, int warn) |
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| 273 | { |
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| 274 | if (config == NULL) return NULL; |
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| 275 | if (config->value != NULL && *(config->value) != '\0') return config->value; |
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| 276 | return feInitResource(config, warn); |
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| 277 | } |
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| 278 | |
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| 279 | static char* feResourceDefault(feResourceConfig config) |
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| 280 | { |
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| 281 | if (config == NULL) return NULL; |
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| 282 | char* value = (char*) omAlloc(MAXRESOURCELEN); |
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| 283 | feSprintf(value, config->fmt, -1); |
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| 284 | return value; |
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| 285 | } |
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| 286 | |
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| 287 | static char* feInitResource(feResourceConfig config, int warn) |
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| 288 | { |
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| 289 | assume(config != NULL); |
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| 290 | #ifdef RESOURCE_DEBUG |
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| 291 | printf("feInitResource: entering for %s\n", config->key); |
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| 292 | #endif |
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| 293 | |
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| 294 | char value[MAXRESOURCELEN]; |
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| 295 | // now we have to work |
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| 296 | // First, check Environment variable |
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| 297 | if (config->env != NULL) |
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| 298 | { |
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| 299 | char* evalue = getenv(config->env); |
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| 300 | if (evalue != NULL) |
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| 301 | { |
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| 302 | #ifdef RESOURCE_DEBUG |
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| 303 | printf("feInitResource: Found value from env:%s\n", evalue); |
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| 304 | #endif |
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| 305 | strcpy(value, evalue); |
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| 306 | if (config->type == feResBinary // do not verify binaries |
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| 307 | || |
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| 308 | feVerifyResourceValue(config->type, |
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| 309 | feCleanResourceValue(config->type, value))) |
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| 310 | { |
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| 311 | #ifdef RESOURCE_DEBUG |
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| 312 | printf("feInitResource: Set value of %s to =%s=\n", config->key, value); |
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| 313 | #endif |
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| 314 | config->value = omStrDup(value); |
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| 315 | return config->value; |
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| 316 | } |
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| 317 | } |
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| 318 | } |
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| 319 | |
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| 320 | *value = '\0'; |
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| 321 | // Special treatment of executable |
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| 322 | if (config->id == 'S') |
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| 323 | { |
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| 324 | char* executable = feGetExpandedExecutable(); |
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| 325 | if (executable != NULL) |
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| 326 | { |
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| 327 | #ifdef RESOURCE_DEBUG |
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| 328 | printf("exec:%s\n", executable); |
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| 329 | #endif |
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| 330 | strcpy(value, executable); |
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| 331 | #ifdef RESOURCE_DEBUG |
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| 332 | printf("value:%s\n", value); |
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| 333 | #endif |
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| 334 | omFree(executable); |
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| 335 | } |
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| 336 | } |
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| 337 | // and bindir |
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| 338 | else if (config->id == 'b') |
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| 339 | { |
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| 340 | char* executable = feResource('S'); |
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| 341 | #ifdef RESOURCE_DEBUG |
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| 342 | printf("feInitResource: Get %s from %s\n", config->key, executable); |
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| 343 | #endif |
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| 344 | if (executable != NULL) |
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| 345 | { |
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| 346 | strcpy(value, executable); |
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| 347 | executable = strrchr(value, DIR_SEP); |
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| 348 | if (executable != NULL) *executable = '\0'; |
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| 349 | } |
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| 350 | } |
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| 351 | |
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| 352 | #ifdef RESOURCE_DEBUG |
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| 353 | printf("value:%s\n", value); |
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| 354 | #endif |
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| 355 | |
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| 356 | if (*value == '\0' && config->fmt != NULL ) |
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| 357 | { |
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| 358 | feSprintf(value, config->fmt, warn); |
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| 359 | } |
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| 360 | else if (config->fmt == NULL) |
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| 361 | { |
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| 362 | sprintf(value, "Wrong Resource Specification of %s", config->key); |
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| 363 | dReportBug(value); |
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| 364 | return NULL; |
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| 365 | } |
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| 366 | |
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| 367 | // Clean and verify |
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| 368 | if (feVerifyResourceValue(config->type, |
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| 369 | feCleanResourceValue(config->type, value))) |
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| 370 | { |
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| 371 | #ifdef RESOURCE_DEBUG |
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| 372 | printf("feInitResource: Set value of %s to =%s=\n", config->key, value); |
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| 373 | #endif |
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| 374 | config->value = omStrDup(value); |
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| 375 | return config->value; |
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| 376 | } |
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| 377 | else if (config->type == feResBinary) |
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| 378 | { |
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| 379 | // for binaries, search through PATH once more |
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| 380 | char* executable = omFindExec(config->key, value); |
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| 381 | if (executable != NULL) |
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| 382 | { |
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| 383 | if (feVerifyResourceValue(config->type, |
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| 384 | feCleanResourceValue(config->type, value))) |
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| 385 | { |
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| 386 | config->value = omStrDup(value); |
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| 387 | #ifdef RESOURCE_DEBUG |
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| 388 | printf("feInitResource: Set value of %s to =%s=\n", config->key, config->value); |
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| 389 | #endif |
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| 390 | return config->value; |
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| 391 | } |
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| 392 | } |
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| 393 | } |
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| 394 | |
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| 395 | // issue warning if explicitely requested, or if |
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| 396 | // this value is gotten for the first time |
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| 397 | if (warn > 0 || (warn < 0 && config->value != NULL)) |
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| 398 | { |
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| 399 | Warn("Could not get %s. ", config->key); |
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| 400 | Warn("Either set environment variable %s to %s,", |
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| 401 | config->env, config->key); |
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| 402 | feSprintf(value, config->fmt, warn); |
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| 403 | Warn("or make sure that %s is at %s", config->key, value); |
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| 404 | } |
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| 405 | #ifdef RESOURCE_DEBUG |
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| 406 | printf("feInitResource: Set value of %s to NULL", config->key); |
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| 407 | #endif |
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| 408 | config->value = NULL; |
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| 409 | return NULL; |
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| 410 | } |
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| 411 | |
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| 412 | static char* feGetExpandedExecutable() |
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| 413 | { |
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| 414 | if (feArgv0 == NULL || *feArgv0 == '\0') |
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| 415 | { |
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| 416 | if (feArgv0 == NULL) dReportBug("feArgv0 == NULL"); |
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| 417 | else dReportBug("feArgv0 == ''"); |
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| 418 | return NULL; |
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| 419 | } |
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| 420 | #ifdef ix86_Win // stupid WINNT sometimes gives you argv[0] within "" |
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| 421 | if (*feArgv0 == '"') |
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| 422 | { |
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| 423 | int l = strlen(feArgv0); |
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| 424 | if (feArgv0[l-1] == '"') |
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| 425 | { |
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| 426 | feArgv0[l-1] = '\0'; |
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| 427 | feArgv0++; |
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| 428 | } |
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| 429 | } |
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| 430 | #endif |
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| 431 | #ifdef RESOURCE_DEBUG |
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| 432 | printf("feGetExpandedExecutable: calling find_exec with =%s=\n", feArgv0); |
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| 433 | #endif |
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| 434 | char executable[MAXRESOURCELEN]; |
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| 435 | char* value = omFindExec(feArgv0, executable); |
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| 436 | #ifdef RESOURCE_DEBUG |
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| 437 | printf("feGetExpandedExecutable: find_exec exited with =%s=%d\n", executable, access(executable, X_OK)); |
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| 438 | #endif |
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| 439 | if (value == NULL) |
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| 440 | { |
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| 441 | char message[MAXRESOURCELEN]; |
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| 442 | sprintf(message, "Could not get expanded executable from %s", feArgv0); |
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| 443 | dReportBug(message); |
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| 444 | return NULL; |
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| 445 | } |
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| 446 | return omStrDup(value); |
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| 447 | } |
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| 448 | |
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| 449 | |
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| 450 | static BOOLEAN feVerifyResourceValue(feResourceType type, char* value) |
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| 451 | { |
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| 452 | #ifdef RESOURCE_DEBUG |
---|
| 453 | printf("feVerifyResourceValue: entering with =%s=\n", value); |
---|
| 454 | printf("%d:%d\n", access(value, R_OK), access(value, X_OK)); |
---|
| 455 | #endif |
---|
| 456 | switch(type) |
---|
| 457 | { |
---|
| 458 | case feResUrl: |
---|
| 459 | case feResPath: |
---|
| 460 | return TRUE; |
---|
| 461 | |
---|
| 462 | case feResFile: |
---|
| 463 | return ! access(value, R_OK); |
---|
| 464 | |
---|
| 465 | case feResBinary: |
---|
| 466 | case feResDir: |
---|
| 467 | return ! access(value, X_OK); |
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| 468 | |
---|
| 469 | default: |
---|
| 470 | return FALSE; |
---|
| 471 | } |
---|
| 472 | } |
---|
| 473 | |
---|
| 474 | /***************************************************************** |
---|
| 475 | * |
---|
| 476 | * Cleaning/Transformations of resource values |
---|
| 477 | * |
---|
| 478 | *****************************************************************/ |
---|
| 479 | |
---|
| 480 | static char* feCleanResourceValue(feResourceType type, char* value) |
---|
| 481 | { |
---|
| 482 | if (value == NULL || *value == '\0') return value; |
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| 483 | #ifdef RESOURCE_DEBUG |
---|
| 484 | printf("Clean value:%s\n", value); |
---|
| 485 | #endif |
---|
| 486 | #ifdef ix86_Win |
---|
| 487 | #ifdef RESOURCE_DEBUG |
---|
| 488 | printf("Clean WINNT value:%s\n", value); |
---|
| 489 | #endif |
---|
| 490 | if (type == feResBinary) |
---|
| 491 | { |
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| 492 | int l = strlen(value); |
---|
| 493 | if (l < 4 || (strcmp(&value[l-4], ".exe") != 0 && |
---|
| 494 | strcmp(&value[l-4], ".EXE") != 0)) |
---|
| 495 | strcat(value, ".exe"); |
---|
| 496 | } |
---|
| 497 | #endif |
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| 498 | if (type == feResFile || type == feResBinary || type == feResDir) |
---|
| 499 | return feCleanUpFile(value); |
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| 500 | if (type == feResPath) |
---|
| 501 | return feCleanUpPath(value); |
---|
| 502 | return value; |
---|
| 503 | } |
---|
| 504 | |
---|
| 505 | static char* feCleanUpFile(char* fname) |
---|
| 506 | { |
---|
| 507 | char* fn, *s; |
---|
| 508 | |
---|
| 509 | #ifdef RESOURCE_DEBUG |
---|
| 510 | printf("feCleanUpFile: entering with =%s=\n", fname); |
---|
| 511 | #endif |
---|
| 512 | // Remove unnecessary .. and // |
---|
| 513 | for (fn = fname; *fn != '\0'; fn++) |
---|
| 514 | { |
---|
| 515 | if (*fn == '/') |
---|
| 516 | { |
---|
| 517 | if (*(fn+1) == '\0') |
---|
| 518 | { |
---|
| 519 | if (fname != fn) *fn = '\0'; |
---|
| 520 | break; |
---|
| 521 | } |
---|
| 522 | if (*(fn + 1) == '/' && (fname != fn)) |
---|
| 523 | { |
---|
| 524 | mystrcpy(fn, fn+1); |
---|
| 525 | fn--; |
---|
| 526 | } |
---|
| 527 | else if (*(fn+1) == '.') |
---|
| 528 | { |
---|
| 529 | if (*(fn+2) == '.' && (*(fn + 3) == '/' || *(fn + 3) == '\0')) |
---|
| 530 | { |
---|
[17b0b05] | 531 | #if 0 |
---|
| 532 | // this does not work: ./../../mmm will be changed to ./../mmm |
---|
| 533 | // but we only want to change ././mmm to ./mmm |
---|
[35aab3] | 534 | *fn = '\0'; |
---|
| 535 | s = strrchr(fname, '/'); |
---|
| 536 | if (s != NULL) |
---|
| 537 | { |
---|
| 538 | mystrcpy(s+1, fn + (*(fn + 3) != '\0' ? 4 : 3)); |
---|
| 539 | fn = s-1; |
---|
| 540 | } |
---|
| 541 | else |
---|
| 542 | { |
---|
| 543 | *fn = '/'; |
---|
| 544 | } |
---|
[17b0b05] | 545 | #endif |
---|
[35aab3] | 546 | } |
---|
| 547 | else if (*(fn+2) == '/' || *(fn+2) == '\0') |
---|
| 548 | { |
---|
| 549 | mystrcpy(fn+1, fn+3); |
---|
| 550 | fn--; |
---|
| 551 | } |
---|
| 552 | } |
---|
| 553 | } |
---|
| 554 | } |
---|
| 555 | |
---|
| 556 | #ifdef RESOURCE_DEBUG |
---|
| 557 | printf("feCleanUpFile: leaving with =%s=\n", fname); |
---|
| 558 | #endif |
---|
| 559 | return fname; |
---|
| 560 | } |
---|
| 561 | |
---|
| 562 | // remove duplicates dir resp. those which do not exist |
---|
| 563 | static char* feCleanUpPath(char* path) |
---|
| 564 | { |
---|
| 565 | #ifdef RESOURCE_DEBUG |
---|
| 566 | printf("feCleanUpPath: entering with: =%s=\n", path); |
---|
| 567 | #endif |
---|
| 568 | if (path == NULL) return path; |
---|
| 569 | |
---|
| 570 | int n_comps = 1, i, j; |
---|
| 571 | char* opath = path; |
---|
| 572 | char** path_comps; |
---|
| 573 | |
---|
| 574 | for (; *path != '\0'; path++) |
---|
| 575 | { |
---|
| 576 | if (*path == fePathSep) n_comps++; |
---|
[3952b09] | 577 | else if (*path == ';') |
---|
[35aab3] | 578 | { |
---|
| 579 | *path = fePathSep; |
---|
| 580 | n_comps++; |
---|
| 581 | } |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | path_comps = (char**) omAlloc(n_comps*sizeof(char*)); |
---|
| 585 | path_comps[0]=opath; |
---|
| 586 | path=opath; |
---|
| 587 | i = 1; |
---|
| 588 | |
---|
| 589 | if (i < n_comps) |
---|
| 590 | { |
---|
| 591 | while (1) |
---|
| 592 | { |
---|
| 593 | if (*path == fePathSep) |
---|
| 594 | { |
---|
| 595 | *path = '\0'; |
---|
| 596 | path_comps[i] = path+1; |
---|
| 597 | i++; |
---|
| 598 | if (i == n_comps) break; |
---|
| 599 | } |
---|
| 600 | path++; |
---|
| 601 | } |
---|
| 602 | } |
---|
| 603 | |
---|
| 604 | for (i=0; i<n_comps; i++) |
---|
| 605 | path_comps[i] = feCleanUpFile(path_comps[i]); |
---|
| 606 | #ifdef RESOURCE_DEBUG |
---|
| 607 | PrintS("feCleanUpPath: after CleanUpName: "); |
---|
| 608 | for (i=0; i<n_comps; i++) |
---|
| 609 | Print("%s:", path_comps[i]); |
---|
| 610 | Print("\n"); |
---|
| 611 | #endif |
---|
| 612 | |
---|
| 613 | for (i=0; i<n_comps;) |
---|
| 614 | { |
---|
| 615 | #ifdef RESOURCE_DEBUG |
---|
| 616 | if (access(path_comps[i], X_OK | R_OK)) |
---|
| 617 | Print("feCleanUpPath: remove %d:%s -- can not access\n", i, path_comps[i]); |
---|
| 618 | #endif |
---|
| 619 | if ( ! access(path_comps[i], X_OK | R_OK)) |
---|
| 620 | { |
---|
| 621 | // x- permission is granted -- we assume that it is a dir |
---|
| 622 | for (j=0; j<i; j++) |
---|
| 623 | { |
---|
| 624 | if (strcmp(path_comps[j], path_comps[i]) == 0) |
---|
| 625 | { |
---|
| 626 | // found a duplicate |
---|
| 627 | #ifdef RESOURCE_DEBUG |
---|
| 628 | Print("feCleanUpPath: remove %d:%s -- equal to %d:%s\n", j, path_comps[j], i, path_comps[i]); |
---|
| 629 | #endif |
---|
| 630 | j = i+1; |
---|
| 631 | break; |
---|
| 632 | } |
---|
| 633 | } |
---|
| 634 | if (j == i) |
---|
| 635 | { |
---|
| 636 | i++; |
---|
| 637 | continue; |
---|
| 638 | } |
---|
| 639 | } |
---|
| 640 | // now we can either not access or found a duplicate |
---|
| 641 | path_comps[i] = NULL; |
---|
| 642 | for (j=i+1; j<n_comps; j++) |
---|
| 643 | path_comps[j-1] = path_comps[j]; |
---|
| 644 | n_comps--; |
---|
| 645 | } |
---|
| 646 | |
---|
| 647 | |
---|
| 648 | // assemble everything again |
---|
| 649 | for (path=opath, i=0;i<n_comps-1;i++) |
---|
| 650 | { |
---|
[3952b09] | 651 | mystrcpy(path, path_comps[i]); |
---|
[35aab3] | 652 | path += strlen(path); |
---|
| 653 | *path = fePathSep; |
---|
| 654 | path++; |
---|
| 655 | } |
---|
| 656 | if (n_comps) |
---|
| 657 | { |
---|
[3952b09] | 658 | mystrcpy(path, path_comps[i]); |
---|
[35aab3] | 659 | } |
---|
| 660 | else |
---|
| 661 | { |
---|
| 662 | *opath = '\0'; |
---|
| 663 | } |
---|
| 664 | omFree(path_comps); |
---|
| 665 | #ifdef RESOURCE_DEBUG |
---|
| 666 | Print("feCleanUpPath: leaving with path=%s=\n", opath); |
---|
| 667 | #endif |
---|
| 668 | return opath; |
---|
| 669 | } |
---|
| 670 | |
---|
| 671 | // strcpy where source and destination may overlap |
---|
| 672 | static void mystrcpy(char* d, char* s) |
---|
| 673 | { |
---|
| 674 | assume(d != NULL && s != NULL); |
---|
| 675 | while (*s != '\0') |
---|
| 676 | { |
---|
| 677 | *d = *s; |
---|
| 678 | d++; |
---|
| 679 | s++; |
---|
| 680 | } |
---|
| 681 | *d = '\0'; |
---|
| 682 | } |
---|
| 683 | |
---|
| 684 | /***************************************************************** |
---|
| 685 | * |
---|
| 686 | * feSprintf |
---|
| 687 | * |
---|
| 688 | *****************************************************************/ |
---|
| 689 | static char* feSprintf(char* s, const char* fmt, int warn) |
---|
| 690 | { |
---|
| 691 | char* s_in = s; |
---|
| 692 | if (fmt == NULL) return NULL; |
---|
| 693 | |
---|
| 694 | while (*fmt != '\0') |
---|
| 695 | { |
---|
| 696 | *s = *fmt; |
---|
| 697 | |
---|
| 698 | if (*fmt == '%' && *(fmt + 1) != '\0') |
---|
| 699 | { |
---|
| 700 | fmt++; |
---|
| 701 | char* r = feResource(*fmt, warn); |
---|
| 702 | if (r != NULL) |
---|
| 703 | { |
---|
| 704 | strcpy(s, r); |
---|
| 705 | s += strlen(r) - 1; |
---|
| 706 | } |
---|
| 707 | else |
---|
| 708 | { |
---|
| 709 | s++; |
---|
| 710 | *s = *fmt; |
---|
| 711 | } |
---|
| 712 | } |
---|
| 713 | else if (*fmt == '$' && *(fmt + 1) != '\0') |
---|
| 714 | { |
---|
| 715 | fmt++; |
---|
| 716 | char* v = s + 1; |
---|
| 717 | while (*fmt == '_' || |
---|
| 718 | (*fmt >= 'A' && *fmt <= 'Z') || |
---|
| 719 | (*fmt >= 'a' && *fmt <= 'z')) |
---|
| 720 | { |
---|
| 721 | *v = *fmt; |
---|
| 722 | v++; |
---|
| 723 | fmt++; |
---|
| 724 | } |
---|
| 725 | fmt--; |
---|
| 726 | *v = '\0'; |
---|
| 727 | v = getenv(s + 1); |
---|
| 728 | if (v != NULL) strcpy(s, v); |
---|
| 729 | s += strlen(s) - 1; |
---|
| 730 | } |
---|
| 731 | s++; |
---|
| 732 | fmt++; |
---|
| 733 | } |
---|
| 734 | *s = '\0'; |
---|
| 735 | return s_in; |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | void feStringAppendResources(int warn) |
---|
| 739 | { |
---|
| 740 | int i = 0; |
---|
| 741 | char* r; |
---|
| 742 | StringAppend("%-10s:\t%s\n", "argv[0]", feArgv0); |
---|
| 743 | while (feResourceConfigs[i].key != NULL) |
---|
| 744 | { |
---|
| 745 | r = feResource(feResourceConfigs[i].key, warn); |
---|
| 746 | StringAppend("%-10s:\t%s\n", feResourceConfigs[i].key, |
---|
| 747 | (r != NULL ? r : "")); |
---|
| 748 | i++; |
---|
| 749 | } |
---|
| 750 | } |
---|