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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/concat-filename.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap-pass2.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/concat-filename.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/concat-filename.c | 73 |
2 files changed, 73 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/concat-filename.c b/gnulib/lib/concat-filename.c new file mode 100644 index 0000000..732df11 --- /dev/null +++ b/gnulib/lib/concat-filename.c @@ -0,0 +1,73 @@ +/* Construct a full filename from a directory and a relative filename. + Copyright (C) 2001-2004, 2006-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 3 of the License, or any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <haible@clisp.cons.org>. */ + +#include <config.h> + +/* Specification. */ +#include "concat-filename.h" + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include "filename.h" + +/* Concatenate a directory filename, a relative filename and an optional + suffix. The directory may end with the directory separator. The second + argument may not start with the directory separator (it is relative). + Return a freshly allocated filename. Return NULL and set errno + upon memory allocation failure. */ +char * +concatenated_filename (const char *directory, const char *filename, + const char *suffix) +{ + char *result; + char *p; + + if (strcmp (directory, ".") == 0) + { + /* No need to prepend the directory. */ + result = (char *) malloc (strlen (filename) + + (suffix != NULL ? strlen (suffix) : 0) + + 1); + if (result == NULL) + return NULL; /* errno is set here */ + p = result; + } + else + { + size_t directory_len = strlen (directory); + int need_slash = + (directory_len > FILE_SYSTEM_PREFIX_LEN (directory) + && !ISSLASH (directory[directory_len - 1])); + result = (char *) malloc (directory_len + need_slash + + strlen (filename) + + (suffix != NULL ? strlen (suffix) : 0) + + 1); + if (result == NULL) + return NULL; /* errno is set here */ + memcpy (result, directory, directory_len); + p = result + directory_len; + if (need_slash) + *p++ = '/'; + } + p = stpcpy (p, filename); + if (suffix != NULL) + stpcpy (p, suffix); + return result; +} |