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buffer_get_token_sa(3) Library Functions Manual buffer_get_token_sa(3) NAME buffer_get_token_sa - read token from buffer SYNTAX #include <libowfat/stralloc.h> #include <libowfat/buffer.h> int buffer_get_token_sa(buffer* b,stralloc* sa, const char* charset,size_t setlen); DESCRIPTION buffer_get_token_sa appends data from the b to sa until one of the delim- iters in charset is found, NOT overwriting the previous content of sa. That delimiter is also appended to sa. If reading from the buffer or allocating memory fails, buffer_get_token_sa returns -1 and sets errno appropriately. At that point sa may already con- tain a partial token. RETURN VALUE -1 on error (setting errno), 0 on EOF, 1 when successful. RATIONALE buffer_get_token_sa appends instead of overwriting so it can be used on non-blocking sockets (these signal error and set errno to EAGAIN; in this case you can simply call buffer_get_token_sa again when select or poll in- dicate more data is available). SEE ALSO buffer_getline_sa(3), buffer_get_token(3), buffer(3) buffer_get_token_sa(3)
NAME | SYNTAX | DESCRIPTION | RETURN VALUE | RATIONALE | SEE ALSO
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