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(read_alias_file): Use only about 400 bytes of stack space instead of 16k.

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This commit is contained in:
Ulrich Drepper 2002-11-20 04:19:45 +00:00
parent 96bbfe3f09
commit 51b3c8f6b7
1 changed files with 12 additions and 15 deletions
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27
intl/localealias.c
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@ -236,8 +236,10 @@ read_alias_file (fname, fname_len)
a) we are only interested in the first two fields
b) these fields must be usable as file names and so must not
be that long
*/
char buf[BUFSIZ];
We avoid a multi-kilobyte buffer here since this would use up
stack space which we might not have if the program ran out of
memory. */
char buf[400];
char *alias;
char *value;
char *cp;
@ -246,19 +248,6 @@ read_alias_file (fname, fname_len)
/* EOF reached. */
break;
/* Possibly not the whole line fits into the buffer. Ignore
the rest of the line. */
if (strchr (buf, '\n') == NULL)
{
char altbuf[BUFSIZ];
do
if (FGETS (altbuf, sizeof altbuf, fp) == NULL)
/* Make sure the inner loop will be left. The outer loop
will exit at the `feof' test. */
break;
while (strchr (altbuf, '\n') == NULL);
}
cp = buf;
/* Ignore leading white space. */
while (isspace ((unsigned char) cp[0]))
@ -342,6 +331,14 @@ read_alias_file (fname, fname_len)
++added;
}
}
/* Possibly not the whole line fits into the buffer. Ignore
the rest of the line. */
while (strchr (buf, '\n') == NULL)
if (FGETS (buf, sizeof buf, fp) == NULL)
/* Make sure the inner loop will be left. The outer loop
will exit at the `feof' test. */
break;
}
/* Should we test for ferror()? I think we have to silently ignore