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#include "fitz.h"
enum { LINELEN = 160, LINECOUNT = 25 };
static char warnmessage[LINELEN] = "";
static int warncount = 0;
void fz_flushwarnings(void)
{
if (warncount > 1)
fprintf(stderr, "warning: ... repeated %d times ...\n", warncount);
warnmessage[0] = 0;
warncount = 0;
}
void fz_warn(char *fmt, ...)
{
va_list ap;
char buf[LINELEN];
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
if (!strcmp(buf, warnmessage))
{
warncount++;
}
else
{
fz_flushwarnings();
fprintf(stderr, "warning: %s\n", buf);
fz_strlcpy(warnmessage, buf, sizeof warnmessage);
warncount = 1;
}
}
static char errormessage[LINECOUNT][LINELEN];
static int errorcount = 0;
static void
fz_emiterror(char what, char *location, char *message)
{
fz_flushwarnings();
fprintf(stderr, "%c %s%s\n", what, location, message);
if (errorcount < LINECOUNT)
{
fz_strlcpy(errormessage[errorcount], location, LINELEN);
fz_strlcat(errormessage[errorcount], message, LINELEN);
errorcount++;
}
}
int
fz_geterrorcount(void)
{
return errorcount;
}
char *
fz_geterrorline(int n)
{
return errormessage[n];
}
fz_error
fz_throwimp(const char *file, int line, const char *func, char *fmt, ...)
{
va_list ap;
char one[LINELEN], two[LINELEN];
errorcount = 0;
snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
va_start(ap, fmt);
vsnprintf(two, sizeof two, fmt, ap);
va_end(ap);
fz_emiterror('+', one, two);
return -1;
}
fz_error
fz_rethrowimp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...)
{
va_list ap;
char one[LINELEN], two[LINELEN];
snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
va_start(ap, fmt);
vsnprintf(two, sizeof two, fmt, ap);
va_end(ap);
fz_emiterror('|', one, two);
return cause;
}
void
fz_catchimp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...)
{
va_list ap;
char one[LINELEN], two[LINELEN];
snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
va_start(ap, fmt);
vsnprintf(two, sizeof two, fmt, ap);
va_end(ap);
fz_emiterror('\\', one, two);
}
fz_error
fz_throwimpx(char *fmt, ...)
{
va_list ap;
char buf[LINELEN];
errorcount = 0;
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
fz_emiterror('+', "", buf);
return -1;
}
fz_error
fz_rethrowimpx(fz_error cause, char *fmt, ...)
{
va_list ap;
char buf[LINELEN];
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
fz_emiterror('|', "", buf);
return cause;
}
void
fz_catchimpx(fz_error cause, char *fmt, ...)
{
va_list ap;
char buf[LINELEN];
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
fz_emiterror('\\', "", buf);
}
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