diff options
Diffstat (limited to 'Build/source/texk/kpathsea/cnf.c')
-rw-r--r-- | Build/source/texk/kpathsea/cnf.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/cnf.c b/Build/source/texk/kpathsea/cnf.c index 5c11ae30d00..cb18c66ab83 100644 --- a/Build/source/texk/kpathsea/cnf.c +++ b/Build/source/texk/kpathsea/cnf.c @@ -64,6 +64,21 @@ do_line (kpathsea kpse, string line) if (*line == 0 || *line == '%' || *line == '#') return; + /* Remove trailing comment: a % or # preceded by whitespace. Also + remove any whitespace before that. For example, the value for + foo = a#b %something + is a#b. */ + value = line + strlen (line) - 1; /* start at end of line */ + while (value > line) { + if (*value == '%' || *value == '#') { + value--; /* move before comment char */ + while (ISSPACE (*value)) + *value-- = 0; /* wipe out as much preceding whitespace + continue; (and comment) as we find */ + } + value--; /* move before the new null byte */ + } + /* The variable name is everything up to the next space or = or `.'. */ start = line; while (!ISSPACE (*line) && *line != '=' && *line != '.') |