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Do streams have to be closed when using popen
来自StackoverflowDo streams have to be closed when using popen病例样本：As the title says , I am unsure if I should close a stream that was opened using popen.The reason I am unsure is becaus原创 2012-04-27 01:25:13 · 787 阅读 · 0 评论 -
fclose()/pclose() may block on some file pointers
fclose()/pclose() may block on some file pointers来自stackoverflow病例样本：Calling fclose() here after dup()ing its file descriptor blocks until the child process has ended (presumably becau原创 2012-04-27 01:26:57 · 1274 阅读 · 0 评论 -
popen函数及输出错误信息
#include // popen, printf, snprintf#include // WIFEXITED() WEXITSTATUS()#include // extern int errno;#include #include #include #include #define MAX_SIZE (1024)bool exec_cmd(原创 2012-04-28 22:52:06 · 6522 阅读 · 0 评论 -
Suppress output from popen()
Suppress output from popen()from stackoverflow病例样本：Is there a way to suppress the output from popen() without losing the Wait().Test 1:FILE * stream = NULL;char buffer [120];stream原创 2012-04-27 01:45:09 · 990 阅读 · 0 评论