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handle realloc failure [RT #32105]

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Mark Andrews 2013-06-11 16:03:22 +10:00
parent 8dda0f671d
commit 0a6bfbc939
1 changed files with 10 additions and 6 deletions
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16
lib/tests/t_api.c
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@ -514,12 +514,12 @@ t_fgetbs(FILE *fp) {
int c;
size_t n;
size_t size;
char *buf;
char *buf, *old;
char *p;
n = 0;
size = T_BUFSIZ;
buf = (char *) malloc(T_BUFSIZ * sizeof(char));
n = 0;
size = T_BUFSIZ;
old = buf = (char *) malloc(T_BUFSIZ * sizeof(char));
if (buf != NULL) {
p = buf;
@ -535,7 +535,8 @@ t_fgetbs(FILE *fp) {
buf = (char *)realloc(buf,
size * sizeof(char));
if (buf == NULL)
break;
goto err;
old = buf;
p = buf + n;
}
}
@ -546,7 +547,10 @@ t_fgetbs(FILE *fp) {
}
return (buf);
} else {
fprintf(stderr, "malloc failed %d", errno);
err:
if (old != NULL)
free(old);
fprintf(stderr, "malloc/realloc failed %d", errno);
return(NULL);
}
}