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* readelf.c (process_archive): Fix error handling. Remove memory

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leak.
This commit is contained in:
Ian Lance Taylor 2003-08-11 16:34:18 +00:00
parent 15f40dfc73
commit d989285ca3
2 changed files with 22 additions and 9 deletions
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5
binutils/ChangeLog
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@ -1,4 +1,7 @@
2003-08-11 Ian Lance Taylor <ian@airs.com>
2003-08-11 Ian Lance Taylor <ian@airs.com>
* readelf.c (process_archive): Fix error handling. Remove memory
leak.
* readelf.c: Add ability to read archives.
(archive_file_offset): New variable.

26
binutils/readelf.c
View File

@ -10275,6 +10275,7 @@ process_archive (char *file_name, FILE *file)
char *longnames = NULL;
unsigned long longnames_size = 0;
size_t file_name_size;
int ret;
show_name = 1;
@ -10326,6 +10327,7 @@ process_archive (char *file_name, FILE *file)
if (fread (longnames, longnames_size, 1, file) != 1)
{
free (longnames);
error(_("%s: failed to read string table\n"), file_name);
return 1;
}
@ -10336,6 +10338,8 @@ process_archive (char *file_name, FILE *file)
got = fread (&arhdr, 1, sizeof arhdr, file);
if (got != sizeof arhdr)
{
free (longnames);
if (got == 0)
return 0;
@ -10345,6 +10349,7 @@ process_archive (char *file_name, FILE *file)
}
file_name_size = strlen (file_name);
ret = 0;
while (1)
{
@ -10360,7 +10365,8 @@ process_archive (char *file_name, FILE *file)
if (off >= longnames_size)
{
error (_("%s: invalid archive string table offset %lu\n"), off);
return 1;
ret = 1;
break;
}
name = longnames + off;
@ -10375,14 +10381,16 @@ process_archive (char *file_name, FILE *file)
if (nameend == NULL)
{
error (_("%s: bad archive file name\n"));
return 1;
ret = 1;
break;
}
namealc = malloc (file_name_size + (nameend - name) + 3);
if (namealc == NULL)
{
error (_("Out of memory\n"));
return 1;
ret = 1;
break;
}
memcpy (namealc, file_name, file_name_size);
@ -10394,7 +10402,7 @@ process_archive (char *file_name, FILE *file)
archive_file_offset = ftell (file);
archive_file_size = strtoul (arhdr.ar_size, NULL, 10);
process_object (namealc, file);
ret |= process_object (namealc, file);
free (namealc);
@ -10405,24 +10413,26 @@ process_archive (char *file_name, FILE *file)
SEEK_SET) != 0)
{
error (_("%s: failed to seek to next archive header\n"), file_name);
return 1;
ret = 1;
break;
}
got = fread (&arhdr, 1, sizeof arhdr, file);
if (got != sizeof arhdr)
{
if (got == 0)
return 0;
break;
error (_("%s: failed to read archive header\n"), file_name);
return 1;
ret = 1;
break;
}
}
if (longnames != 0)
free (longnames);
return 0;
return ret;
}
static int