diff options
Diffstat (limited to 'src/libopts/file.c')
| -rw-r--r-- | src/libopts/file.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/libopts/file.c b/src/libopts/file.c deleted file mode 100644 index 14efe8fe33..0000000000 --- a/src/libopts/file.c +++ /dev/null @@ -1,201 +0,0 @@ - -/** - * \file file.c - * - * Handle options that have file names for arguments. - * - * @addtogroup autoopts - * @{ - */ -/* - * This file is part of AutoOpts, a companion to AutoGen. - * AutoOpts is free software. - * AutoOpts is Copyright (C) 1992-2018 by Bruce Korb - all rights reserved - * - * AutoOpts is available under any one of two licenses. The license - * in use must be one of these two and the choice is under the control - * of the user of the license. - * - * The GNU Lesser General Public License, version 3 or later - * See the files "COPYING.lgplv3" and "COPYING.gplv3" - * - * The Modified Berkeley Software Distribution License - * See the file "COPYING.mbsd" - * - * These files have the following sha256 sums: - * - * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3 - * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3 - * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd - */ - -/** - * Make sure the directory containing the subject file exists and that - * the file exists or does not exist, per the option requirements. - * - * @param ftype file existence type flags - * @param pOpts program option descriptor - * @param pOD the option descriptor - */ -static void -check_existence(teOptFileType ftype, tOptions * pOpts, tOptDesc * pOD) -{ - char const * fname = pOD->optArg.argString; - struct stat sb; - - errno = 0; - - switch (ftype & FTYPE_MODE_EXIST_MASK) { - case FTYPE_MODE_MUST_NOT_EXIST: - if ((stat(fname, &sb) == 0) || (errno != ENOENT)) { - if (errno == 0) - errno = EINVAL; - fserr_exit(pOpts->pzProgName, "stat", fname); - /* NOTREACHED */ - } - /* FALLTHROUGH */ - - default: - case FTYPE_MODE_MAY_EXIST: - { - char * p = strrchr(fname, DIRCH); - size_t l; - - if (p == NULL) - /* - * The file may or may not exist and its directory is ".". - * Assume that "." exists. - */ - break; - - l = (size_t)(p - fname); - p = AGALOC(l + 1, "fname"); - memcpy(p, fname, l); - p[l] = NUL; - - if ((stat(p, &sb) != 0) || (errno = EINVAL, ! S_ISDIR(sb.st_mode))) - fserr_exit(pOpts->pzProgName, "stat", p); - /* NOTREACHED */ - - AGFREE(p); - break; - } - - case FTYPE_MODE_MUST_EXIST: - if ( (stat(fname, &sb) != 0) - || (errno = EINVAL, ! S_ISREG(sb.st_mode)) ) - fserr_exit(pOpts->pzProgName, "stat", fname); - /* NOTREACHED */ - - break; - } -} - -/** - * Open the specified file with open(2) and save the FD. - * - * @param pOpts program option descriptor - * @param pOD the option descriptor - * @param mode the open mode (uses int flags value) - */ -static void -open_file_fd(tOptions * pOpts, tOptDesc * pOD, tuFileMode mode) -{ - int fd = open(pOD->optArg.argString, mode.file_flags); - if (fd < 0) - fserr_exit(pOpts->pzProgName, "open", pOD->optArg.argString); - /* NOTREACHED */ - - if ((pOD->fOptState & OPTST_ALLOC_ARG) != 0) - pOD->optCookie = VOIDP(pOD->optArg.argString); - else - AGDUPSTR(pOD->optCookie, pOD->optArg.argString, "file name"); - - pOD->optArg.argFd = fd; - pOD->fOptState &= ~OPTST_ALLOC_ARG; -} - -/** - * Open the specified file with open(2) and save the FD. - * - * @param pOpts program option descriptor - * @param pOD the option descriptor - * @param mode the open mode (uses "char *" mode value) - */ -static void -fopen_file_fp(tOptions * pOpts, tOptDesc * pOD, tuFileMode mode) -{ - FILE * fp = fopen(pOD->optArg.argString, mode.file_mode); - if (fp == NULL) - fserr_exit(pOpts->pzProgName, "fopen", pOD->optArg.argString); - /* NOTREACHED */ - - if ((pOD->fOptState & OPTST_ALLOC_ARG) != 0) - pOD->optCookie = VOIDP(pOD->optArg.argString); - else - AGDUPSTR(pOD->optCookie, pOD->optArg.argString, "file name"); - - pOD->optArg.argFp = fp; - pOD->fOptState &= ~OPTST_ALLOC_ARG; -} - -/*=export_func optionFileCheck - * private: - * - * what: Decipher a boolean value - * arg: + tOptions * + pOpts + program options descriptor + - * arg: + tOptDesc * + pOptDesc + the descriptor for this arg + - * arg: + teOptFileType + ftype + File handling type + - * arg: + tuFileMode + mode + file open mode (if needed) + - * - * doc: - * Make sure the named file conforms with the file type mode. - * The mode specifies if the file must exist, must not exist or may - * (or may not) exist. The mode may also specify opening the - * file: don't, open just the descriptor (fd), or open as a stream - * (FILE * pointer). -=*/ -void -optionFileCheck(tOptions * pOpts, tOptDesc * pOD, - teOptFileType ftype, tuFileMode mode) -{ - if (pOpts <= OPTPROC_EMIT_LIMIT) { - if (pOpts != OPTPROC_EMIT_USAGE) - return; - - switch (ftype & FTYPE_MODE_EXIST_MASK) { - case FTYPE_MODE_MUST_NOT_EXIST: - fputs(zFileCannotExist + tab_skip_ct, option_usage_fp); - break; - - case FTYPE_MODE_MUST_EXIST: - fputs(zFileMustExist + tab_skip_ct, option_usage_fp); - break; - } - return; - } - - if ((pOD->fOptState & OPTST_RESET) != 0) { - if (pOD->optCookie != NULL) - AGFREE(pOD->optCookie); - return; - } - - check_existence(ftype, pOpts, pOD); - - switch (ftype & FTYPE_MODE_OPEN_MASK) { - default: - case FTYPE_MODE_NO_OPEN: break; - case FTYPE_MODE_OPEN_FD: open_file_fd( pOpts, pOD, mode); break; - case FTYPE_MODE_FOPEN_FP: fopen_file_fp(pOpts, pOD, mode); break; - } -} - -/** @} - * - * Local Variables: - * mode: C - * c-file-style: "stroustrup" - * indent-tabs-mode: nil - * End: - * end of autoopts/file.c */ |