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Make it so we don't segfault when /proc isn't mounted -- guess pid 1...

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-Erik
This commit is contained in:
Eric Andersen 2001-06-26 22:44:09 +00:00
parent 5ef5614c31
commit 91a6318d55
1 changed files with 9 additions and 0 deletions
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9
libbb/find_pid_by_name.c
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@ -137,6 +137,10 @@ extern pid_t* find_pid_by_name( char* pidName)
char buffer[READ_BUF_SIZE]; char buffer[READ_BUF_SIZE];
char name[READ_BUF_SIZE]; char name[READ_BUF_SIZE];
/* Must skip ".." since that is outside /proc */
if (strcmp(next->d_name, "..") == 0)
continue;
/* If it isn't a number, we don't want it */ /* If it isn't a number, we don't want it */
if (!isdigit(*next->d_name)) if (!isdigit(*next->d_name))
continue; continue;
@ -161,6 +165,11 @@ extern pid_t* find_pid_by_name( char* pidName)
if (pidList) if (pidList)
pidList[i]=0; pidList[i]=0;
else {
/* If we found nothing, guess PID 1 and call it good */
pidList=xrealloc( pidList, sizeof(pid_t));
pidList[0]=1;
}
return pidList; return pidList;
} }
#endif /* BB_FEATURE_USE_DEVPS_PATCH */ #endif /* BB_FEATURE_USE_DEVPS_PATCH */