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don't assume memory allocations will succeed

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This commit is contained in:
leitner 2020-05-05 12:39:19 +00:00
parent 751bb5bb66
commit 99a29eaf6b
1 changed files with 8 additions and 1 deletions
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9
ent.c
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@ -36,10 +36,16 @@ struct letters {
struct letters* d;
size_t nodes,datasize;
void nomem() {
fprintf(stderr, "memory allocation failure!\n");
exit(1);
}
void addword(struct letters** s,const char* t, void* pointer) {
size_t i;
if (!*s) {
*s=malloc(sizeof(**s));
if (!*s) nomem();
memset(*s,0,sizeof(**s));
(*s)->liste[0].c='?';
}
@ -122,7 +128,7 @@ void marshalhelper(struct letters* s) {
void marshal(struct letters* s) {
fprintf(stderr,"nodes=%lu, datasize=%lu\n",nodes,datasize);
heap=malloc((nodes+1)*sizeof(uint32_t)+datasize);
if (!heap) return;
if (!heap) nomem();
marshaled=(uint32_t*)heap;
marshaled[0]=nodes+1;
data=heap+(nodes+1)*sizeof(uint32_t);
@ -175,6 +181,7 @@ int main() {
#endif
++s;
*cur=malloc(sizeof(**cur));
if (!*cur) nomem();
(*cur)->next=0;
if (!((*cur)->entity=strdup(entity))) return 1;
ul=0;