Read command result error (fgets)?

From the manpage (pubs.opengroup.org/onlinepubs/007908799/...): Upon successful completion, fgets() returns s. If the stream is at end-of-file, the end-of-file indicator for the stream is set and fgets() returns a null pointer. If a read error occurs, the error indicator for the stream is set, fgets() returns a null pointer and sets errno to indicate the error On end of file, it returns null, and if the file is less than 4096 characters, it would hit EOF on the first iteration, so isFgetsOK = YES would not be reached Sorry, misinterpreted... It returns null if the stream is at EOF when fgets is called, not if it reaches EOF during the call.

From the manpage (pubs.opengroup.org/onlinepubs/007908799/...): Upon successful completion, fgets() returns s. If the stream is at end-of-file, the end-of-file indicator for the stream is set and fgets() returns a null pointer. If a read error occurs, the error indicator for the stream is set, fgets() returns a null pointer and sets errno to indicate the error.

On end of file, it returns null, and if the file is less than 4096 characters, it would hit EOF on the first iteration, so isFgetsOK = YES; would not be reached. Sorry, misinterpreted... It returns null if the stream is at EOF when fgets is called, not if it reaches EOF during the call...

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