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#include "fitz.h"
/* Warning context */
void fz_var_imp(void *var)
{
var = var; /* Do nothing */
}
void fz_flush_warnings(fz_context *ctx)
{
if (ctx->warn->count > 1)
fprintf(stderr, "warning: ... repeated %d times ...\n", ctx->warn->count);
ctx->warn->message[0] = 0;
ctx->warn->count = 0;
}
void fz_warn(fz_context *ctx, char *fmt, ...)
{
va_list ap;
char buf[sizeof ctx->warn->message];
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
if (!strcmp(buf, ctx->warn->message))
{
ctx->warn->count++;
}
else
{
fz_flush_warnings(ctx);
fprintf(stderr, "warning: %s\n", buf);
fz_strlcpy(ctx->warn->message, buf, sizeof ctx->warn->message);
ctx->warn->count = 1;
}
}
/* Error context */
static void throw(fz_error_context *ex)
{
if (ex->top >= 0) {
longjmp(ex->stack[ex->top--].buffer, 1);
} else {
fprintf(stderr, "uncaught exception: %s\n", ex->message);
exit(EXIT_FAILURE);
}
}
void fz_push_try(fz_error_context *ex)
{
assert(ex != NULL);
if (ex->top + 1 >= nelem(ex->stack))
{
fprintf(stderr, "exception stack overflow!\n");
exit(EXIT_FAILURE);
}
ex->top++;
}
char *fz_caught(fz_context *ctx)
{
assert(ctx != NULL);
assert(ctx->error != NULL);
return ctx->error->message;
}
void fz_throw(fz_context *ctx, char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vsnprintf(ctx->error->message, sizeof ctx->error->message, fmt, args);
va_end(args);
fprintf(stderr, "error: %s\n", ctx->error->message);
throw(ctx->error);
}
void fz_rethrow(fz_context *ctx)
{
throw(ctx->error);
}
/* Deprecated error bubbling */
static void
fz_emit_error(char what, char *location, char *message)
{
fprintf(stderr, "%c %s%s\n", what, location, message);
}
int
fz_get_error_count(void)
{
return 0;
}
char *
fz_get_error_line(int n)
{
return "";
}
fz_error
fz_error_make_imp(const char *file, int line, const char *func, char *fmt, ...)
{
va_list ap;
char one[256], two[256];
snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
va_start(ap, fmt);
vsnprintf(two, sizeof two, fmt, ap);
va_end(ap);
fz_emit_error('+', one, two);
return -1;
}
fz_error
fz_error_note_imp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...)
{
va_list ap;
char one[256], two[256];
snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
va_start(ap, fmt);
vsnprintf(two, sizeof two, fmt, ap);
va_end(ap);
fz_emit_error('|', one, two);
return cause;
}
void
fz_error_handle_imp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...)
{
va_list ap;
char one[256], two[256];
snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
va_start(ap, fmt);
vsnprintf(two, sizeof two, fmt, ap);
va_end(ap);
fz_emit_error('\\', one, two);
}
fz_error
fz_error_make_impx(char *fmt, ...)
{
va_list ap;
char buf[256];
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
fz_emit_error('+', "", buf);
return -1;
}
fz_error
fz_error_note_impx(fz_error cause, char *fmt, ...)
{
va_list ap;
char buf[256];
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
fz_emit_error('|', "", buf);
return cause;
}
void
fz_error_handle_impx(fz_error cause, char *fmt, ...)
{
va_list ap;
char buf[256];
va_start(ap, fmt);
vsnprintf(buf, sizeof buf, fmt, ap);
va_end(ap);
fz_emit_error('\\', "", buf);
}
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