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Stop iterating and return if the caller-supplied callback function returns

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a non-zero value.

MFC after:	1 week
This commit is contained in:
Mark Johnston 2015-01-31 03:22:00 +00:00
parent 4c99145742
commit c7fa6f0bb0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=277961
1 changed files with 8 additions and 4 deletions
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12
lib/libproc/proc_sym.c
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@ -153,9 +153,12 @@ proc_iter_objs(struct proc_handle *p, proc_map_f *func, void *cd)
prmap_t map;
char path[MAXPATHLEN];
char last[MAXPATHLEN];
int error;
if (p->nobjs == 0)
return (-1);
error = 0;
memset(last, 0, sizeof(last));
for (i = 0; i < p->nobjs; i++) {
rdl = &p->rdobjs[i];
@ -169,11 +172,11 @@ proc_iter_objs(struct proc_handle *p, proc_map_f *func, void *cd)
*/
if (strcmp(path, last) == 0)
continue;
(*func)(cd, &map, path);
if ((error = (*func)(cd, &map, path)) != 0)
break;
strlcpy(last, path, sizeof(last));
}
return (0);
return (error);
}
prmap_t *
@ -599,7 +602,8 @@ proc_iter_symbyaddr(struct proc_handle *p, const char *object, int which,
s = elf_strptr(e, stridx, sym.st_name);
if (ehdr.e_type != ET_EXEC)
sym.st_value += map->pr_vaddr;
(*func)(cd, &sym, s);
if ((error = (*func)(cd, &sym, s)) != 0)
goto err2;
}
error = 0;
err2: