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Canonicalize the program name if necessary in setprogname()

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This commit is contained in:
Asanka C. Herath
2010-11-29 13:32:15 -05:00
parent 2038d6f56e
commit d4f1d0e900
1 changed files with 33 additions and 0 deletions
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33
lib/roken/setprogname.c
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@@ -40,19 +40,52 @@ extern const char *__progname;
#endif #endif
#ifndef HAVE_SETPROGNAME #ifndef HAVE_SETPROGNAME
ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
setprogname(const char *argv0) setprogname(const char *argv0)
{ {
#ifndef HAVE___PROGNAME #ifndef HAVE___PROGNAME
const char *p; const char *p;
if(argv0 == NULL) if(argv0 == NULL)
return; return;
p = strrchr(argv0, '/'); p = strrchr(argv0, '/');
#ifdef BACKSLASH_PATH_DELIM
{
const char * pb;
pb = strrchr((p != NULL)? p : argv0, '\\');
if (pb != NULL)
p = pb;
}
#endif
if(p == NULL) if(p == NULL)
p = argv0; p = argv0;
else else
p++; p++;
#ifdef _WIN32
{
char * fn = strdup(p);
char * ext;
strlwr(fn);
ext = strrchr(fn, '.');
if (ext != NULL && !strcmp(ext, ".exe"))
*ext = '\0';
__progname = fn;
}
#else
__progname = p; __progname = p;
#endif #endif
#endif /* HAVE___PROGNAME */
} }
#endif /* HAVE_SETPROGNAME */ #endif /* HAVE_SETPROGNAME */