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authorPixel <>2001-04-02 01:00:37 +0000
committerPixel <>2001-04-02 01:00:37 +0000
commitce176d3637caebac401e634b40abe8bc48505327 (patch)
tree6176a1d949974cb887773177727c2894945b56e8 /lib/exceptions.c
parent8212d25ba09a7fdf1938a1992022a0143d29e05b (diff)
Exceptions.
Diffstat (limited to 'lib/exceptions.c')
-rw-r--r--lib/exceptions.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/lib/exceptions.c b/lib/exceptions.c
index 349e8a9..231ca63 100644
--- a/lib/exceptions.c
+++ b/lib/exceptions.c
@@ -4,6 +4,9 @@
#include "config.h"
#include "exceptions.h"
+char * contexts[128];
+int clevel = 0;
+
char * Estrdup(char * o) {
char * r;
@@ -22,8 +25,34 @@ void * Emalloc(size_t s) {
return r;
}
+void pushcontext(char * c) {
+ if (clevel == 128) {
+ exception(1, _("Too much error contexts during pushcontext()."));
+ }
+ contexts[clevel++] = Estrdup(c);
+}
+
+void popcontext(void) {
+ if (clevel == 0) {
+ exception(1, _("Error context empty, but popcontext() called."));
+ }
+ free(contexts[--clevel]);
+}
+
+void flushcontext(void) {
+ while (clevel) {
+ popcontext();
+ }
+}
+
void exception(int level, char *msg)
{
- fprintf(stderr, "%s\n", msg);
+ int i;
+
+ fprintf(stderr, "Error detected. Showing context.\n");
+ for (i = 0; i < clevel; i++) {
+ fprintf(stderr, " (%i) - %s\n", i, contexts[i]);
+ }
+ fprintf(stderr, " Error description: %s\n", msg);
exit(level);
}