diff options
Diffstat (limited to 'src/libs/libgroff/tmpfile.cpp')
| -rw-r--r-- | src/libs/libgroff/tmpfile.cpp | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/src/libs/libgroff/tmpfile.cpp b/src/libs/libgroff/tmpfile.cpp index 41b7f064..d24b137b 100644 --- a/src/libs/libgroff/tmpfile.cpp +++ b/src/libs/libgroff/tmpfile.cpp @@ -1,5 +1,5 @@ // -*- C++ -*- -/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001 +/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2003 Free Software Foundation, Inc. Written by James Clark (jjc@jclark.com) @@ -33,6 +33,13 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define GROFF_TMPDIR_ENVVAR "GROFF_TMPDIR" // otherwise if this is set, create temporary files there #define TMPDIR_ENVVAR "TMPDIR" +// otherwise, on MS-DOS or MS-Windows ... +#if defined(__MSDOS__) || defined(_WIN32) +// if either of these is set, create temporary files there +// (giving priority to WIN32_TMPDIR_ENVVAR) +#define WIN32_TMPDIR_ENVVAR "TMP" +#define MSDOS_TMPDIR_ENVVAR "TEMP" +#endif // otherwise if P_tmpdir is defined, create temporary files there #ifdef P_tmpdir # define DEFAULT_TMPDIR P_tmpdir @@ -55,12 +62,23 @@ struct temp_init { temp_init::temp_init() { - const char *tem = getenv(GROFF_TMPDIR_ENVVAR); - if (!tem) { - tem = getenv(TMPDIR_ENVVAR); - if (!tem) - tem = DEFAULT_TMPDIR; - } + // First, choose a location for creating temporary files... + const char *tem; + // using the first match for any of the environment specs in listed order. + if ( + (tem = getenv(GROFF_TMPDIR_ENVVAR)) == NULL + && (tem = getenv(TMPDIR_ENVVAR)) == NULL +#if defined(__MSDOS__) || defined(_WIN32) + // If we didn't find a match for either of the above + // (which are preferred, regardless of the host operating system), + // and we are hosted on either MS-Windows or MS-DOS, + // then try the Microsoft conventions. + && (tem = getenv(WIN32_TMPDIR_ENVVAR)) == NULL + && (tem = getenv(MSDOS_TMPDIR_ENVVAR)) == NULL +#endif + ) + // If we didn't find an environment spec fall back to this default. + tem = DEFAULT_TMPDIR; size_t tem_len = strlen(tem); const char *tem_end = tem + tem_len - 1; int need_slash = strchr(DIR_SEPS, *tem_end) == NULL ? 1 : 0; |