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| author | Doug Evans <dje@google.com> | 2011-09-28 19:04:30 +0000 |
|---|---|---|
| committer | Doug Evans <devans@gcc.gnu.org> | 2011-09-28 19:04:30 +0000 |
| commit | be50fcea4e4482bff587119732223f1d4639f47b (patch) | |
| tree | fdfb0d01e1c901837ac5426759f458176364fa86 /libiberty | |
| parent | d92aed064711dceb6caf355d064759224ce9b42a (diff) | |
| download | gcc-be50fcea4e4482bff587119732223f1d4639f47b.zip gcc-be50fcea4e4482bff587119732223f1d4639f47b.tar.gz gcc-be50fcea4e4482bff587119732223f1d4639f47b.tar.bz2 | |
libiberty.h (countargv): Declare.
include/
* libiberty.h (countargv): Declare.
libiberty/
* argv.c (countargv): New function.
From-SVN: r179318
Diffstat (limited to 'libiberty')
| -rw-r--r-- | libiberty/ChangeLog | 4 | ||||
| -rw-r--r-- | libiberty/argv.c | 23 |
2 files changed, 27 insertions, 0 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index 0547f9b..ccee83f 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,7 @@ +2011-09-28 Doug Evans <dje@google.com> + + * argv.c (countargv): New function. + 2011-09-23 Cary Coutant <ccoutant@google.com> PR 40831 diff --git a/libiberty/argv.c b/libiberty/argv.c index 8476c8f..ca53f91 100644 --- a/libiberty/argv.c +++ b/libiberty/argv.c @@ -492,6 +492,29 @@ expandargv (int *argcp, char ***argvp) } } +/* + +@deftypefn Extension int countargv (char **@var{argv}) + +Return the number of elements in @var{argv}. +Returns zero if @var{argv} is NULL. + +@end deftypefn + +*/ + +int +countargv (char **argv) +{ + int argc; + + if (argv == NULL) + return 0; + for (argc = 0; argv[argc] != NULL; argc++) + continue; + return argc; +} + #ifdef MAIN /* Simple little test driver. */ |