forked from KolibriOS/kolibrios
160 lines
2.7 KiB
C
Executable File
160 lines
2.7 KiB
C
Executable File
#include "fitz.h"
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enum { LINE_LEN = 160, LINE_COUNT = 25 };
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static char warn_message[LINE_LEN] = "";
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static int warn_count = 0;
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void fz_flush_warnings(void)
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{
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if (warn_count > 1)
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fprintf(stderr, "warning: ... repeated %d times ...\n", warn_count);
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warn_message[0] = 0;
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warn_count = 0;
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}
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void fz_warn(char *fmt, ...)
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{
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va_list ap;
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char buf[LINE_LEN];
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va_start(ap, fmt);
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vsnprintf(buf, sizeof buf, fmt, ap);
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va_end(ap);
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if (!strcmp(buf, warn_message))
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{
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warn_count++;
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}
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else
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{
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fz_flush_warnings();
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fprintf(stderr, "warning: %s\n", buf);
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fz_strlcpy(warn_message, buf, sizeof warn_message);
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warn_count = 1;
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}
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}
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static char error_message[LINE_COUNT][LINE_LEN];
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static int error_count = 0;
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static void
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fz_emit_error(char what, char *location, char *message)
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{
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fz_flush_warnings();
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fprintf(stderr, "%c %s%s\n", what, location, message);
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if (error_count < LINE_COUNT)
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{
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fz_strlcpy(error_message[error_count], location, LINE_LEN);
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fz_strlcat(error_message[error_count], message, LINE_LEN);
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error_count++;
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}
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}
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int
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fz_get_error_count(void)
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{
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return error_count;
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}
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char *
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fz_get_error_line(int n)
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{
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return error_message[n];
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}
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fz_error
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fz_throw_imp(const char *file, int line, const char *func, char *fmt, ...)
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{
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va_list ap;
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char one[LINE_LEN], two[LINE_LEN];
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error_count = 0;
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snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
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va_start(ap, fmt);
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vsnprintf(two, sizeof two, fmt, ap);
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va_end(ap);
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fz_emit_error('+', one, two);
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return -1;
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}
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fz_error
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fz_rethrow_imp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...)
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{
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va_list ap;
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char one[LINE_LEN], two[LINE_LEN];
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snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
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va_start(ap, fmt);
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vsnprintf(two, sizeof two, fmt, ap);
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va_end(ap);
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fz_emit_error('|', one, two);
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return cause;
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}
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void
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fz_catch_imp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...)
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{
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va_list ap;
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char one[LINE_LEN], two[LINE_LEN];
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snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func);
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va_start(ap, fmt);
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vsnprintf(two, sizeof two, fmt, ap);
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va_end(ap);
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fz_emit_error('\\', one, two);
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}
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fz_error
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fz_throw_impx(char *fmt, ...)
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{
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va_list ap;
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char buf[LINE_LEN];
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error_count = 0;
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va_start(ap, fmt);
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vsnprintf(buf, sizeof buf, fmt, ap);
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va_end(ap);
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fz_emit_error('+', "", buf);
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return -1;
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}
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fz_error
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fz_rethrow_impx(fz_error cause, char *fmt, ...)
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{
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va_list ap;
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char buf[LINE_LEN];
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va_start(ap, fmt);
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vsnprintf(buf, sizeof buf, fmt, ap);
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va_end(ap);
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fz_emit_error('|', "", buf);
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return cause;
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}
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void
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fz_catch_impx(fz_error cause, char *fmt, ...)
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{
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va_list ap;
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char buf[LINE_LEN];
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va_start(ap, fmt);
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vsnprintf(buf, sizeof buf, fmt, ap);
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va_end(ap);
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fz_emit_error('\\', "", buf);
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}
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