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common: Improve the parsing of gpgconf.ctl variables.

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* common/homedir.c (unix_rootdir): Simplify.
--

This also relaxes the syntax in that the equal sign may now be
surrounded by any number of spaces.
This commit is contained in:
Werner Koch 2023-12-19 10:04:49 +01:00
parent 6b4fd3a5da
commit 8eff1d4c51
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GPG Key ID: E3FDFF218E45B72B
1 changed files with 27 additions and 30 deletions
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57
common/homedir.c
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@ -604,43 +604,40 @@ unix_rootdir (int want_sysconfdir)
sysconfdir = NULL;
while ((length = es_read_line (fp, &line, &linelen, NULL)) > 0)
{
static const char *names[] =
{
"rootdir",
"sysconfdir",
".enable"
};
int i;
size_t n;
/* Strip NL and CR, if present. */
while (length > 0
&& (line[length - 1] == '\n' || line[length - 1] == '\r'))
line[--length] = 0;
trim_spaces (line);
if (!strncmp (line, "rootdir=", 8))
/* Find the stamement. */
name = NULL;
for (i=0; i < DIM (names); i++)
{
name = "rootdir";
p = line + 8;
n = strlen (names[i]);
if (!strncmp (line, names[i], n))
{
while (line[n] == ' ' || line[n] == '\t')
n++;
if (line[n] == '=')
{
name = names[i];
p = line + n + 1;
break;
}
}
}
else if (!strncmp (line, "rootdir =", 9)) /* (What a kludge) */
{
name = "rootdir";
p = line + 9;
}
else if (!strncmp (line, "sysconfdir=", 11))
{
name = "sysconfdir";
p = line + 11;
}
else if (!strncmp (line, "sysconfdir =", 12)) /* (What a kludge) */
{
name = "sysconfdir";
p = line + 12;
}
else if (!strncmp (line, ".enable=", 8))
{
name = ".enable";
p = line + 8;
}
else if (!strncmp (line, ".enable =", 9))
{
name = ".enable";
p = line + 9;
}
else
continue;
if (!name)
continue; /* Statement not known. */
trim_spaces (p);
p = substitute_envvars (p);
if (!p)