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/* Compatibility routines.
*
* (C) 2003-2013 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*
*
*/
#include "services.h"
/*************************************************************************/
#if !HAVE_SNPRINTF
/* [v]snprintf: Like [v]sprintf, but don't write more than len bytes
* (including null terminator). Return the number of bytes
* written.
*/
#if BAD_SNPRINTF
int vsnprintf(char *buf, size_t len, const char *fmt, va_list args)
{
if (len <= 0)
return 0;
*buf = 0;
vsnprintf(buf, len, fmt, args);
buf[len - 1] = 0;
return strlen(buf);
}
#endif /* BAD_SNPRINTF */
int snprintf(char *buf, size_t len, const char *fmt, ...)
{
va_list args;
int ret = 0;
va_start(args, fmt);
ret = vsnprintf(buf, len, fmt, args);
va_end(args);
return ret;
}
#endif /* !HAVE_SNPRINTF */
/*************************************************************************/
#if !HAVE_STRICMP && !HAVE_STRCASECMP
/* stricmp, strnicmp: Case-insensitive versions of strcmp() and
* strncmp().
*/
int stricmp(const char *s1, const char *s2)
{
register int c;
while ((c = tolower(*s1)) == tolower(*s2)) {
if (c == 0)
return 0;
s1++;
s2++;
}
if (c < tolower(*s2))
return -1;
return 1;
}
int strnicmp(const char *s1, const char *s2, size_t len)
{
register int c;
if (!len)
return 0;
while ((c = tolower(*s1)) == tolower(*s2) && len > 0) {
if (c == 0 || --len == 0)
return 0;
s1++;
s2++;
}
if (c < tolower(*s2))
return -1;
return 1;
}
#endif
/*************************************************************************/
#if !HAVE_STRDUP
char *strdup(const char *s)
{
char *new = calloc(strlen(s) + 1, 1);
if (new)
strcpy(new, s);
return new;
}
#endif
/*************************************************************************/
#if !HAVE_STRSPN
size_t strspn(const char *s, const char *accept)
{
size_t i = 0;
while (*s && strchr(accept, *s))
++i, ++s;
return i;
}
#endif
/*************************************************************************/
#if !HAVE_STRERROR
# if HAVE_SYS_ERRLIST
extern char *sys_errlist[];
# endif
char *strerror(int errnum)
{
# if HAVE_SYS_ERRLIST
return sys_errlist[errnum];
# else
static char buf[20];
snprintf(buf, sizeof(buf), "Error %d", errnum);
return buf;
# endif
}
#endif
/*************************************************************************/
#if !HAVE_STRSIGNAL
/* Windows only supports 6 signals:
* SIGINT, SIGILL, SIGABRT, SIGFPE, SIGSEGV, SIGTERM
* -- codemastr
*/
char *strsignal(int signum)
{
static char buf[32];
switch (signum) {
#ifndef _WIN32
case SIGHUP:
strscpy(buf, "Hangup", sizeof(buf));
break;
#endif
case SIGINT:
strscpy(buf, "Interrupt", sizeof(buf));
break;
#ifndef _WIN32
case SIGQUIT:
strscpy(buf, "Quit", sizeof(buf));
break;
#endif
#ifdef SIGILL
case SIGILL:
strscpy(buf, "Illegal instruction", sizeof(buf));
break;
#endif
#ifdef SIGABRT
case SIGABRT:
strscpy(buf, "Abort", sizeof(buf));
break;
#endif
#if defined(SIGIOT) && (!defined(SIGABRT) || SIGIOT != SIGABRT)
case SIGIOT:
strscpy(buf, "IOT trap", sizeof(buf));
break;
#endif
#ifdef SIGBUS
case SIGBUS:
strscpy(buf, "Bus error", sizeof(buf));
break;
#endif
case SIGFPE:
strscpy(buf, "Floating point exception", sizeof(buf));
break;
#ifndef _WIN32
case SIGKILL:
strscpy(buf, "Killed", sizeof(buf));
break;
case SIGUSR1:
strscpy(buf, "User signal 1", sizeof(buf));
break;
#endif
case SIGSEGV:
strscpy(buf, "Segmentation fault", sizeof(buf));
break;
#ifndef _WIN32
case SIGUSR2:
strscpy(buf, "User signal 2", sizeof(buf));
break;
case SIGPIPE:
strscpy(buf, "Broken pipe", sizeof(buf));
break;
case SIGALRM:
strscpy(buf, "Alarm clock", sizeof(buf));
break;
#endif
case SIGTERM:
strscpy(buf, "Terminated", sizeof(buf));
break;
#ifndef _WIN32
case SIGSTOP:
strscpy(buf, "Suspended (signal)", sizeof(buf));
break;
case SIGTSTP:
strscpy(buf, "Suspended", sizeof(buf));
break;
case SIGIO:
strscpy(buf, "I/O error", sizeof(buf));
break;
#endif
default:
snprintf(buf, sizeof(buf), "Signal %d\n", signum);
break;
}
return buf;
}
#endif
/*************************************************************************/
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