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*_id: fix zero length in set_str()
[elogind.git]
/
extras
/
volume_id
/
vol_id.c
diff --git
a/extras/volume_id/vol_id.c
b/extras/volume_id/vol_id.c
index a4a866cfcf6d040e952fd6c0bc6ab8d77ba6fe09..fe0b3a0ed070039201fd426cf53850d7b5f605b2 100644
(file)
--- a/
extras/volume_id/vol_id.c
+++ b/
extras/volume_id/vol_id.c
@@
-60,31
+60,34
@@
void log_message(int priority, const char *format, ...)
}
#endif
}
#endif
-static void set_str(char *to, const
unsigned char *from, in
t count)
+static void set_str(char *to, const
char *from, size_
t count)
{
{
- int i, j;
- int len;
+ size_t i, j, len;
+ /* strip trailing whitespace */
len = strnlen(from, count);
len = strnlen(from, count);
- while (isspace(from[len-1]))
+ while (
len &&
isspace(from[len-1]))
len--;
len--;
+ /* strip leading whitespace */
i = 0;
while (isspace(from[i]) && (i < len))
i++;
j = 0;
while (i < len) {
i = 0;
while (isspace(from[i]) && (i < len))
i++;
j = 0;
while (i < len) {
- switch(from[i]) {
- case '/':
- break;
- case ' ':
+ /* substitute multiple whitespace */
+ if (isspace(from[i])) {
+ while (isspace(from[i]))
+ i++;
to[j++] = '_';
to[j++] = '_';
- break;
- default:
- to[j++] = from[i];
}
}
- i++;
+ /* skip chars */
+ if (from[i] == '/') {
+ i++;
+ continue;
+ }
+ to[j++] = from[i++];
}
to[j] = '\0';
}
}
to[j] = '\0';
}
@@
-106,7
+109,7
@@
int main(int argc, char *argv[])
struct volume_id *vid = NULL;
static char name[VOLUME_ID_LABEL_SIZE];
int i;
struct volume_id *vid = NULL;
static char name[VOLUME_ID_LABEL_SIZE];
int i;
- u
nsigned long long
size;
+ u
int64_t
size;
const char *node = NULL;
int rc = 0;
const char *node = NULL;
int rc = 0;