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scan-gram: avoid portability trap with ctype usage.

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* src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
Avoid compiler warning.

Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit bbbbe221d7)
This commit is contained in:
Eric Blake
2009-08-27 10:56:53 -06:00
parent b70c7fb4e1
commit 4413bbd3d1
2 changed files with 7 additions and 1 deletions
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6
ChangeLog
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@@ -1,3 +1,9 @@
2009-08-27 Eric Blake <ebb9@byu.net>
scan-gram: avoid portability trap with ctype usage.
* src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
Avoid compiler warning.
2009-08-27 Joel E. Denny <jdenny@clemson.edu>
tests: use perl for printing special sequences to files.

2
src/scan-gram.l
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@@ -618,7 +618,7 @@ splice (\\[ \f\t\v]*\n)*
\\(.|\n) {
char const *p = yytext + 1;
/* Quote only if escaping won't make the character visible. */
if (isspace (*p) && isprint (*p))
if (isspace ((unsigned char) *p) && isprint ((unsigned char) *p))
p = quote (p);
else
p = quotearg_style_mem (escape_quoting_style, p, 1);