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iconvconfig: Make file handling more general purpose

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Split out configuration file handling code from handle_dir into its
own function so that it can be reused for multiple configuration
files.

Reviewed-by: DJ Delorie <dj@redhat.com>
This commit is contained in:
Siddhesh Poyarekar 2021-06-07 14:22:17 +05:30
parent 6a86bc0992
commit 0c78b0bb78
1 changed files with 40 additions and 25 deletions
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65
iconv/iconvconfig.c
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@ -644,37 +644,17 @@ add_module (char *rp, const char *directory)
cost, need_ext);
}
/* Read the config file and add the data for this directory to that. */
static int
handle_dir (const char *dir)
/* Read a gconv-modules configuration file. */
static bool
handle_file (const char *dir, const char *infile)
{
char *cp;
FILE *fp;
char *line = NULL;
size_t linelen = 0;
size_t dirlen = strlen (dir);
if (dir[dirlen - 1] != '/')
{
char *newp = (char *) xmalloc (dirlen + 2);
dir = memcpy (newp, dir, dirlen);
newp[dirlen++] = '/';
newp[dirlen] = '\0';
}
char infile[prefix_len + dirlen + sizeof "gconv-modules"];
cp = infile;
if (dir[0] == '/')
cp = mempcpy (cp, prefix, prefix_len);
strcpy (mempcpy (cp, dir, dirlen), "gconv-modules");
fp = fopen (infile, "r");
if (fp == NULL)
{
error (0, errno, "cannot open `%s'", infile);
return 1;
}
return false;
/* No threads present. */
__fsetlocking (fp, FSETLOCKING_BYCALLER);
@ -723,7 +703,42 @@ handle_dir (const char *dir)
fclose (fp);
return 0;
return true;
}
/* Read config files and add the data for this directory to cache. */
static int
handle_dir (const char *dir)
{
char *cp;
size_t dirlen = strlen (dir);
bool found = false;
if (dir[dirlen - 1] != '/')
{
char *newp = (char *) xmalloc (dirlen + 2);
dir = memcpy (newp, dir, dirlen);
newp[dirlen++] = '/';
newp[dirlen] = '\0';
}
char infile[prefix_len + dirlen + sizeof "gconv-modules"];
cp = infile;
if (dir[0] == '/')
cp = mempcpy (cp, prefix, prefix_len);
strcpy (mempcpy (cp, dir, dirlen), "gconv-modules");
found |= handle_file (dir, infile);
if (!found)
{
error (0, errno, "failed to open gconv configuration file in `%s'",
dir);
error (0, 0,
"ensure that the directory contains a valid gconv-modules file.");
}
return found ? 0 : 1;
}