Mercurial > code
diff c/setprogname/setprogname.c @ 621:ca5912ad2909
Misc: massive refactoring, closes #717
author | David Demelier <markand@malikania.fr> |
---|---|
date | Fri, 20 Oct 2017 12:36:51 +0200 |
parents | port/C/setprogname.c@266f32919d0a |
children | b327391f6a62 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/c/setprogname/setprogname.c Fri Oct 20 12:36:51 2017 +0200 @@ -0,0 +1,45 @@ +/* + * setprogname.c -- get or set the program name + * + * Copyright (c) 2011-2017 David Demelier <markand@malikania.fr> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + * Do not return NULL if the developer didn't call setprogname to + * prevent useless segfault. + */ +static const char *g_pname = ""; + +void +setprogname(const char *progname) +{ + const char *p; + + /* Seek last / or \ on windows */ + if ((p = strrchr(progname, '/')) || (p = strrchr(progname, '\\'))) + g_pname = &p[1]; + else + g_pname = progname; +} + +const char * +getprogname(void) +{ + return g_pname; +}