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pmap: Fix minor compiler warning

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/usr/include/x86_64-linux-gnu/bits/error.h:40:5: warning: ‘%s’ directive argument is null [-Wformat-overflow=]
   40 |     __error_noreturn (__status, __errnum, __format, __va_arg_pack ());
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pmap.c: In function ‘main’:
pmap.c:760:35: note: format string is defined here
  760 |         xerrx(EXIT_FAILURE, "%s: '%s'", _("failed to parse argument"), optarg);

A simple check for optarg being null silenced this, not sure why only
this one was a problem.

Signed-off-by: Craig Small <csmall@dropbear.xyz>
This commit is contained in:
Craig Small 2022-01-08 07:47:46 +11:00
parent 91ffe81734
commit 8b67402a25
1 changed files with 1 additions and 1 deletions
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pmap.c
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@ -758,7 +758,7 @@ static void range_arguments(const char *optarg)
if ((buf = xstrdup(optarg)) == NULL) { if ((buf = xstrdup(optarg)) == NULL) {
xerrx(EXIT_FAILURE, "%s: '%s'", _("failed to parse argument"), xerrx(EXIT_FAILURE, "%s: '%s'", _("failed to parse argument"),
optarg); (optarg?optarg:"(null)"));
} }
arg1 = buf; arg1 = buf;
arg2 = strchr(arg1, ','); arg2 = strchr(arg1, ',');