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encom

SetEnvironmentVariable

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Hi On windows (nt/xp/2k, how to add a directory to PATH env variable ? When i use : char *env = toString("%s:%s", GetEnvironmentStrings("PATH") + "myPath"); SetEnvironmentVariable("PATH", env); Before setEnv, i can use system(..) funtion to call "CMD", after setEnv i can not ! Why ?

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Because you fucked up the path. GetEnvironmentString returns a void pointer to an environment block, not a string. Read

Furthermore, you can''t add two C-style strings together using the + operator. Use sprintf.

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