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| author | Ulrich Drepper <drepper@redhat.com> | 2003-10-06 21:20:39 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-10-06 21:20:39 +0000 |
| commit | b7129dfbc1f5cea432e97dbe6e1556581af9682e (patch) | |
| tree | c42c622b57154bf4ccd0055e368dca8931e7be9f /manual/examples/testopt.c | |
| parent | b631be849dd67f0633d0b1adf16b099bd240e2e5 (diff) | |
| download | glibc-b7129dfbc1f5cea432e97dbe6e1556581af9682e.tar.gz glibc-b7129dfbc1f5cea432e97dbe6e1556581af9682e.tar.xz glibc-b7129dfbc1f5cea432e97dbe6e1556581af9682e.zip | |
Fix warnings. Better error message for missing -c argument.
Diffstat (limited to 'manual/examples/testopt.c')
| -rw-r--r-- | manual/examples/testopt.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/manual/examples/testopt.c b/manual/examples/testopt.c index 94baf4db55..44ca8e4ad0 100644 --- a/manual/examples/testopt.c +++ b/manual/examples/testopt.c @@ -1,8 +1,10 @@ /*@group*/ -#include <unistd.h> +#include <ctype.h> #include <stdio.h> +#include <stdlib.h> +#include <unistd.h> -int +int main (int argc, char **argv) { int aflag = 0; @@ -28,7 +30,9 @@ main (int argc, char **argv) cvalue = optarg; break; case '?': - if (isprint (optopt)) + if (optopt == 'c') + fprintf (stderr, "Option -%c requires an argument.\n", optopt); + else if (isprint (optopt)) fprintf (stderr, "Unknown option `-%c'.\n", optopt); else fprintf (stderr, |