X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fcontext_read.c;h=5733d3fa088592ab0b28d9c9110be44e1985521e;hp=6ca9a3d677127f2c2164541e1600a72771aa1d87;hb=f85f4b7ae62e3d05a945dcd46ead51f0a2a89a9b;hpb=7e3bc577e84e13a47005a706718bd6ec0e6a0e0a diff --git a/sbr/context_read.c b/sbr/context_read.c index 6ca9a3d..5733d3f 100644 --- a/sbr/context_read.c +++ b/sbr/context_read.c @@ -8,18 +8,20 @@ ** This function must be called early on in any nmh utility, and ** may only be called once. It does the following: ** -** o Sets the global variable "mypath" to the home directory path. -** -** o Sets the global variable "defpath" to the absolute path of -** the profile file. +** o Sets the global variables to absolute paths: +** - "mypath": home directory (HOME) +** - "mmhpath": mmh directory (MMH) +** - "defpath": profile file (MMHP) +** - "ctxpath": context file (MMHC) ** ** o Reads in the profile file. Bails out if it can't. ** ** o Makes sure that the mail directory exists, prompting for ** creation if it doesn't. ** -** o Reads the context file either as set by the MHCONTEXT -** environment variable or by the profile. +** o Reads the context file. +** +** You might need to adjust uip/mmh.sh if you make changes here. */ #include /* mh internals */ @@ -40,106 +42,157 @@ context_read(void) ** If this routine _is_ called again (despite the wanings in the ** comments above), return immediately. */ - if ( m_defs != 0 ) + if (m_defs) { return; + } /* ** Find user's home directory. Try the HOME environment variable first, ** the home directory field in the password file if that's not found. */ - if ((mypath = getenv("HOME")) == NULL) { - if ((pw = getpwuid(getuid())) == (struct passwd *)0 || - *pw->pw_dir == '\0') + if (!(mypath = getenv("HOME"))) { + if (!(pw = getpwuid(getuid())) || !*pw->pw_dir) { adios(NULL, "cannot determine your home directory"); - else - mypath = pw->pw_dir; + } + mypath = pw->pw_dir; } /* - ** Find and read user's profile. Check for the existence of - ** an MH environment variable first with non-empty contents. - ** Convert any relative path name found there to an absolute one. - ** Look for the profile in the user's home directory if the MH - ** environment variable isn't set. + ** set mmhpath */ - - if ((cp = getenv("MH")) && *cp != '\0') { - defpath = getcpy(expanddir(cp)); - - if (stat(defpath, &st) != -1 && (st.st_mode & S_IFREG) == 0) - adios(NULL, "`%s' specified by your MH environment variable is not a normal file", cp); - - if ((ib = fopen(defpath, "r")) == (FILE *)0) - adios(NULL, "unable to read the `%s' profile specified by your MH environment variable", defpath); + if ((cp = getenv("MMH")) && *cp) { + mmhpath = getcpy(expanddir(cp)); /* rel to cwd */ + if (stat(mmhpath, &st) != -1 && (st.st_mode & S_IFDIR) == 0) { + adios(NULL, "`%s' specified by your MMH environment variable is not a directory", cp); + } } else { - defpath = concat(mypath, "/", mh_profile, NULL); - - if ((ib = fopen(defpath, "r")) == (FILE *)0) - adios(NULL, "Doesn't look like nmh is installed. Run install-mh to do so."); - - cp = mh_profile; + mmhpath = concat(mypath, "/", mmhdir, NULL); + if (stat(mmhpath, &st) == -1 || (st.st_mode & S_IFDIR) == 0) { + adios(NULL, "Doesn't look like mmh is set up for your account. Run `install-mh' to do so."); + } } + /* + ** Find and read user's profile. Check for the existence of + ** a non-empty MMHP environment variable first. Look for the + ** profile in the mmh directory otherwise. + */ + if ((cp = getenv("MMHP")) && *cp) { + if (*cp == '/') { + defpath = getcpy(cp); + } else { + defpath = concat(mmhpath, "/", cp, NULL); + } + if (stat(defpath, &st) != -1 && (st.st_mode & S_IFREG) == 0) { + adios(NULL, "Your profile `%s', specified by the MMHP environment variable, is not a normal file", cp); + } + if ((ib = fopen(defpath, "r")) == (FILE *)0) { + adios(NULL, "Unable to read your profile `%s', specified by the MMHP environment variable", defpath); + } + } else { + defpath = concat(mmhpath, "/", profile, NULL); + if ((ib = fopen(defpath, "r")) == (FILE *)0) { + adios(NULL, "No profile found. Please create `%s' first.", defpath); + } + cp = profile; + } readconfig(&m_defs, ib, cp, 0); fclose(ib); /* - ** Find the user's nmh directory, which is specified by the "path" - ** profile component. Convert a relative path name to an absolute - ** one rooted in the home directory. + ** Find the user's mail storage directory, which is specified by + ** the `Path' profile component. Convert a relative path name + ** to an absolute one rooted in the home directory. */ - - if ((cp = context_find("path")) == NULL) - adios(NULL, "Your %s file does not contain a path entry.", - defpath); - - if (*cp == '\0') - adios(NULL, "Your `%s' profile file does not contain a valid path entry.", defpath); - - if (*cp != '/') - snprintf(nd = buf, sizeof(buf), "%s/%s", mypath, cp); - else + if ((cp = context_find("path")) == NULL) { + adios(NULL, "Your profile `%s' does not contain the required path entry.", defpath); + } + if (!*cp) { + adios(NULL, "The Path entry of your profile `%s' must be non-empty.", defpath); + } + if (*cp == '/') { nd = cp; - + } else { + snprintf(nd = buf, sizeof buf, "%s/%s", mypath, cp); + } if (stat(nd, &st) == -1) { - if (errno != ENOENT) + if (errno != ENOENT) { adios(nd, "error opening"); - cp = concat("Your MH-directory \"", nd, "\" doesn't exist; Create it? ", NULL); - if (!getanswer(cp)) - adios(NULL, "unable to access MH-directory \"%s\"", - nd); + } + cp = concat("Your mail storage directory `", nd, "' doesn't exist; Create it? ", NULL); + if (!getanswer(cp)) { + adios(NULL, "Unable to access the mail storage directory `%s'", nd); + } free(cp); - if (!makedir(nd)) - adios(NULL, "unable to create %s", nd); - } else if ((st.st_mode & S_IFDIR) == 0) - adios(NULL, "`%s' is not a directory", nd); + if (!makedir(nd)) { + adios(nd, "unable to create"); + } + } else if ((st.st_mode & S_IFDIR) == 0) { + adios(NULL, "Your mail storage `%s' is not a directory", nd); + } + /* + ** Create the default folder (inbox) + */ + cp = toabsdir(defaultfolder); + if (stat(cp, &st) == -1) { + if (!makedir(cp)) { + adios(cp, "Unable to create the default folder"); + } + } else if ((st.st_mode & S_IFDIR) == 0) { + adios(NULL, "The default folder `%s' is not a directory", cp); + } /* ** Open and read user's context file. The name of the context - ** file comes from the profile unless overridden by the MHCONTEXT + ** file comes from the profile unless overridden by the MMHC ** environment variable. */ - - if ((cp = getenv("MHCONTEXT")) == NULL || *cp == '\0') - cp = context; + if (!(cp = getenv("MMHC")) || !*cp) { + if (!(cp = context_find("context")) || !*cp) { + cp = context; + } + } /* ** context is NULL if context_foil() was called to disable use - ** of context We also support users setting explicitly setting - ** MHCONTEXT to /dev/null. (if this wasn't specialcased then the - ** locking would be liable to fail) + ** of context. We also support users setting explicitly setting + ** MMHC to /dev/null. (If this wasn't special-cased then the + ** locking would be liable to fail.) */ - if (!cp || (strcmp(cp,"/dev/null") == 0)) { + if (!context || (strcmp(cp, "/dev/null") == 0)) { ctxpath = NULL; return; } - ctxpath = getcpy(toabsdir(cp)); - + if (*cp == '/') { + ctxpath = getcpy(cp); + } else { + ctxpath = concat(mmhpath, "/", cp, NULL); + } if ((ib = lkfopen(ctxpath, "r"))) { readconfig((struct node **) 0, ib, cp, 1); lkfclose(ib, ctxpath); } - return; + /* Set editor */ + if (!(cp = getenv("MMHEDITOR")) || !*cp) { + if (!(cp = context_find("editor")) || !*cp) { + if (!(cp = getenv("VISUAL")) || !*cp) { + if (!(cp = getenv("EDITOR")) || !*cp) { + cp = defaulteditor; + } + } + } + } + defaulteditor = cp; + + /* Set pager */ + if (!(cp = getenv("MMHPAGER")) || !*cp) { + if (!(cp = context_find("pager")) || !*cp) { + if (!(cp = getenv("PAGER")) || !*cp) { + cp = defaultpager; + } + } + } + defaultpager = cp; }