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/*
*
* Gestionnaire d'exceptions
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define _(x) x
#endif
#include "exceptions.h"
char *contexts[128];
int clevel = 0;
char *Estrdup(char *o)
{
char *r;
if (o) {
if (!(r = strdup(o))) {
exception(1, _("Out of memory."));
}
} else {
return NULL;
}
return r;
}
void *Emalloc(size_t s)
{
void *r;
if (s) {
if (!(r = malloc(s))) {
exception(1, _("Out of memory."));
}
} else {
return NULL;
}
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)
{
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);
}
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