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Diffstat (limited to 'plugin_cpuinfo.c')
-rw-r--r--plugin_cpuinfo.c133
1 files changed, 73 insertions, 60 deletions
diff --git a/plugin_cpuinfo.c b/plugin_cpuinfo.c
index 3d9d9e9..e091383 100644
--- a/plugin_cpuinfo.c
+++ b/plugin_cpuinfo.c
@@ -1,4 +1,4 @@
-/* $Id: plugin_cpuinfo.c,v 1.13 2005/01/18 06:30:23 reinelt Exp $
+/* $Id: plugin_cpuinfo.c,v 1.14 2005/05/08 04:32:44 reinelt Exp $
*
* plugin for /proc/cpuinfo parsing
*
@@ -23,6 +23,9 @@
*
*
* $Log: plugin_cpuinfo.c,v $
+ * Revision 1.14 2005/05/08 04:32:44 reinelt
+ * CodingStyle added and applied
+ *
* Revision 1.13 2005/01/18 06:30:23 reinelt
* added (C) to all copyright statements
*
@@ -111,74 +114,84 @@
static HASH CPUinfo;
static FILE *stream = NULL;
-static int parse_cpuinfo (void)
+static int parse_cpuinfo(void)
{
- int age;
-
- /* reread every second only */
- age = hash_age(&CPUinfo, NULL);
- if (age > 0 && age <= 1000) return 0;
-
- if (stream == NULL) stream = fopen("/proc/cpuinfo", "r");
- if (stream == NULL) {
- error ("fopen(/proc/cpuinfo) failed: %s", strerror(errno));
- return -1;
- }
- rewind(stream);
- while (!feof(stream)) {
- char buffer[256];
- char *c, *key, *val;
- fgets (buffer, sizeof(buffer), stream);
- c = strchr(buffer, ':');
- if (c == NULL) continue;
- key = buffer; val = c+1;
- /* strip leading blanks from key */
- while (isspace(*key)) *key++ = '\0';
- /* strip trailing blanks from key */
- do *c = '\0'; while (isspace(*--c));
- /* strip leading blanks from value */
- while (isspace(*val)) *val++ = '\0';
- /* strip trailing blanks from value */
- for (c = val; *c != '\0'; c++);
- while (isspace(*--c)) *c = '\0';
-
- /* add entry to hash table */
- hash_put (&CPUinfo, key, val);
-
- }
- return 0;
+ int age;
+
+ /* reread every second only */
+ age = hash_age(&CPUinfo, NULL);
+ if (age > 0 && age <= 1000)
+ return 0;
+
+ if (stream == NULL)
+ stream = fopen("/proc/cpuinfo", "r");
+ if (stream == NULL) {
+ error("fopen(/proc/cpuinfo) failed: %s", strerror(errno));
+ return -1;
+ }
+ rewind(stream);
+ while (!feof(stream)) {
+ char buffer[256];
+ char *c, *key, *val;
+ fgets(buffer, sizeof(buffer), stream);
+ c = strchr(buffer, ':');
+ if (c == NULL)
+ continue;
+ key = buffer;
+ val = c + 1;
+ /* strip leading blanks from key */
+ while (isspace(*key))
+ *key++ = '\0';
+ /* strip trailing blanks from key */
+ do
+ *c = '\0';
+ while (isspace(*--c));
+ /* strip leading blanks from value */
+ while (isspace(*val))
+ *val++ = '\0';
+ /* strip trailing blanks from value */
+ for (c = val; *c != '\0'; c++);
+ while (isspace(*--c))
+ *c = '\0';
+
+ /* add entry to hash table */
+ hash_put(&CPUinfo, key, val);
+
+ }
+ return 0;
}
-
-static void my_cpuinfo (RESULT *result, RESULT *arg1)
+
+static void my_cpuinfo(RESULT * result, RESULT * arg1)
{
- char *key, *val;
-
- if (parse_cpuinfo() < 0) {
- SetResult(&result, R_STRING, "");
- return;
- }
-
- key = R2S(arg1);
- val = hash_get(&CPUinfo, key, NULL);
- if (val == NULL) val = "";
-
- SetResult(&result, R_STRING, val);
+ char *key, *val;
+
+ if (parse_cpuinfo() < 0) {
+ SetResult(&result, R_STRING, "");
+ return;
+ }
+
+ key = R2S(arg1);
+ val = hash_get(&CPUinfo, key, NULL);
+ if (val == NULL)
+ val = "";
+
+ SetResult(&result, R_STRING, val);
}
-int plugin_init_cpuinfo (void)
+int plugin_init_cpuinfo(void)
{
- hash_create (&CPUinfo);
- AddFunction ("cpuinfo", 1, my_cpuinfo);
- return 0;
+ hash_create(&CPUinfo);
+ AddFunction("cpuinfo", 1, my_cpuinfo);
+ return 0;
}
-void plugin_exit_cpuinfo(void)
+void plugin_exit_cpuinfo(void)
{
- if (stream != NULL) {
- fclose (stream);
- stream = NULL;
- }
- hash_destroy(&CPUinfo);
+ if (stream != NULL) {
+ fclose(stream);
+ stream = NULL;
+ }
+ hash_destroy(&CPUinfo);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 20:58:24 +0000
fy * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * exported functions: * * int plugin_init_iconv (void) * int plugin_exit_iconv (void) * */ #include "config.h" #include <stdlib.h> #include <string.h> #include <ctype.h> #include <iconv.h> #include <errno.h> /* these should always be included */ #include "debug.h" #include "plugin.h" #ifdef WITH_DMALLOC #include <dmalloc.h> #endif /* iconv function, convert charsets */ /* valid "to" and "from" charsets can be listed by running "iconv --list" from a shell */ /* utf16 & utf32 encodings won't work, as they contain null bytes, confusing strlen */ static void my_iconv(RESULT * result, RESULT * charset_from, RESULT * charset_to, RESULT * arg) { char *source; size_t source_left; char *dest; char *dest_pos; size_t dest_left; iconv_t cd; source = R2S(arg); source_left = strlen(source); /* use twice the memory needed in best case, but save lots of reallocs in worst case */ /* increase to 4 if most conversions are to utf32 (quite unlikely) */ /* also alloc a "safety byte" so we can always zero-terminate the string. */ dest_left = 2 * source_left; dest = malloc(dest_left + 1); dest_pos = dest; cd = iconv_open(R2S(charset_to), R2S(charset_from)); if (cd != (iconv_t) (-1)) { do { /* quite spammy: debug("plugin_iconv: calling iconv with %ld,[%s]/%ld,%ld", cd, source, source_left, dest_left); */ if (iconv(cd, &source, &source_left, &dest_pos, &dest_left) == (size_t) (-1)) { switch (errno) { case EILSEQ: /* illegal bytes in input sequence */ /* try to fix by skipping a byte */ info("plugin_iconv: illegal character in input string: %c", *source); source_left--; source++; break; case EINVAL: /* input string ends during a multibyte sequence */ /* try to fix by simply ignoring */ info("plugin_iconv: illegal character at end of input"); source_left = 0; break; case E2BIG: /* not enough bytes in outbuf. */ /* TODO: Realloc output buffer, probably doubling its size? */ /* for now, just bail out. For lcd4linux 99% of all conversions will go to ascii or latin1 anyways */ error ("plugin_iconv: out of memory in destination buffer. Seems like Ernst was too lazy, complain to him!"); source_left = 0; break; default: error("plugin_iconv: strange errno state (%d) occurred", errno); source_left = 0; } } } while (source_left > 0); /* don't check for == 0, could be negative in EILSEQ case */ /* terminate the string, we're sure to have that byte left, see above */ *dest_pos = 0; dest_pos++; iconv_close(cd); } else { error("plugin_iconv: could not open conversion descriptor. Check if your charsets are supported!"); /* guaranteed to fit. */ strcpy(dest, source); } SetResult(&result, R_STRING, dest); free(dest); } /* plugin initialization */ int plugin_init_iconv(void) { AddFunction("iconv", 3, my_iconv); return 0; } void plugin_exit_iconv(void) { /* nothing to clean */ }