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Fix pid_get_name() when NULL buffer is provided.

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2015-05-31 01:58:20 +02:00
parent 2cba0c73be
commit fa89370517
1 changed files with 6 additions and 8 deletions
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helpers.c
+6 -8
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@@ -245,19 +245,17 @@ char *pid_get_name(pid_t pid, char *name, size_t len)
{
int ret = 1;
FILE *fp;
char path[32];
char *pname, path[32];
static char line[64];
if (!name || len == 0)
name = line;
snprintf(path, sizeof(path), "/proc/%d/status", pid);
if ((fp = fopen(path, "r")) != NULL) {
fp = fopen(path, "r");
if (fp) {
if (fgets(line, sizeof (line), fp)) {
char *pname = line + 6; /* Skip first part of line --> "Name:\t" */
pname = line + 6; /* Skip first part of line --> "Name:\t" */
chomp(pname);
strlcpy(name, pname, len);
if (name)
strlcpy(name, pname, len);
ret = 0; /* Found it! */
}