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Implement no-XXX arguments for --warnings, --report, --trace.

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* src/getargs.c (flags_argmatch): Handles no-XXX.
	Fix typo in doxygen comment.
(cherry picked from commit 4182a0a186)
This commit is contained in:
Di-an Jan
2008-11-21 13:09:16 -08:00
committed by Joel E. Denny
parent 56706c6167
commit 20cc714980
2 changed files with 20 additions and 5 deletions
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6
ChangeLog
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@@ -1,3 +1,9 @@
2008-11-21 Di-an Jan <dianj@freeshell.org>
Implement no-XXX arguments for --warnings, --report, --trace.
* src/getargs.c (flags_argmatch): Handles no-XXX.
Fix typo in doxygen comment.
2011-03-20 Joel E. Denny <joeldenny@joeldenny.org>
doc: fix confusing citation of LAC publication.

19
src/getargs.c
View File

@@ -87,10 +87,12 @@ char *program_name;
* \param keys array of valid subarguments.
* \param values array of corresponding (int) values.
* \param flags the flags to update
* \param args colon separated list of effective subarguments to decode.
* \param args comma separated list of effective subarguments to decode.
* If 0, then activate all the flags.
*
* The special value 0 resets the flags to 0.
* If VALUE != 0 then KEY sets flags and no-KEY clears them.
* If VALUE == 0 then KEY clears all flags and no-KEY sets all flags.
* Thus no-none = all and no-all = none.
*/
static void
flags_argmatch (const char *option,
@@ -102,11 +104,18 @@ flags_argmatch (const char *option,
args = strtok (args, ",");
while (args)
{
int value = XARGMATCH (option, args, keys, values);
int no = strncmp (args, "no-", 3) == 0 ? 3 : 0;
int value = XARGMATCH (option, args + no, keys, values);
if (value == 0)
*flags = 0;
if (no)
*flags = ~0;
else
*flags = 0;
else
*flags |= value;
if (no)
*flags &= ~value;
else
*flags |= value;
args = strtok (NULL, ",");
}
}