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fix erroneous fcloses and add note to self about this error

This commit is contained in:
berkeviktor@aol.com 2011-01-13 01:15:56 +01:00
parent 9f2f179e1c
commit 5b095a1544
1 changed files with 11 additions and 6 deletions
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17
plugins/checksum/checksum.c
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@ -38,6 +38,7 @@
#define BUFSIZE 32768 #define BUFSIZE 32768
#define DEFAULT_MAX_HASH_SIZE 268435456 /* default size is 256 MB */ #define DEFAULT_MAX_HASH_SIZE 268435456 /* default size is 256 MB */
#define FILE_BUF_SIZE 512
#ifndef snprintf #ifndef snprintf
#define snprintf _snprintf #define snprintf _snprintf
@ -120,7 +121,7 @@ init ()
/* check whether the config file exists, if it doesn't, try to create it */ /* check whether the config file exists, if it doesn't, try to create it */
FILE * file_in; FILE * file_in;
FILE * file_out; FILE * file_out;
char buffer[1024]; char buffer[FILE_BUF_SIZE];
config_fail = 0; config_fail = 0;
snprintf (buffer, sizeof (buffer), "%s/checksum.conf", xchat_get_info (ph, "xchatdirfs")); snprintf (buffer, sizeof (buffer), "%s/checksum.conf", xchat_get_info (ph, "xchatdirfs"));
@ -133,18 +134,22 @@ init ()
} else } else
{ {
fprintf (file_out, "%llu\n", (unsigned long long) DEFAULT_MAX_HASH_SIZE); fprintf (file_out, "%llu\n", (unsigned long long) DEFAULT_MAX_HASH_SIZE);
fclose (file_out);
} }
} else
{
fclose (file_in);
} }
fclose (file_in); /* nasty easter egg: if FILE_BUF_SIZE is set to 1024 and you build for x86, you can do fclose ()
fclose (file_out); at the end of init (), which is plain wrong as it will only work if fopen () != 0. */
} }
static unsigned long long static unsigned long long
get_max_hash_size () get_max_hash_size ()
{ {
FILE * file_in; FILE * file_in;
char buffer[1024]; char buffer[FILE_BUF_SIZE];
unsigned long long max_hash_size; unsigned long long max_hash_size;
if (config_fail) if (config_fail)
@ -193,7 +198,7 @@ increase_max_hash_size ()
{ {
unsigned long long size; unsigned long long size;
FILE * file_out; FILE * file_out;
char buffer[1024]; char buffer[FILE_BUF_SIZE];
if (config_fail) if (config_fail)
{ {
@ -220,7 +225,7 @@ decrease_max_hash_size ()
{ {
unsigned long long size; unsigned long long size;
FILE * file_out; FILE * file_out;
char buffer[1024]; char buffer[FILE_BUF_SIZE];
if (config_fail) if (config_fail)
{ {