7735e52df
Denys Vlasenko
2017-09-15
Subject
Clarify OPOST bit meaning
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libbb/xfuncs.c+3 -3
| @@ -348,8 +348,8 @@ int FAST_FUNC get_termios_and_make_raw(int fd, struct termios *newterm, struct t | |
| newterm->c_iflag &= ~(IXON | ICRNL); | |
| /* dont convert NL to CR+NL on output */ | |
| newterm->c_oflag &= ~(ONLCR); | |
| - | /* Maybe clear more c_oflag bits? usually, only OPOST and ONLCR are set. |
| - | * OPOST Enable implementation-defined output processing (is this reqd for all other bits to work?) |
| + | /* Maybe clear more c_oflag bits? Usually, only OPOST and ONLCR are set. |
| + | * OPOST Enable output processing (reqd for OLCUC and *NL* bits to work) |
| * OLCUC Map lowercase characters to uppercase on output. | |
| * OCRNL Map CR to NL on output. | |
| * ONOCR Don't output CR at column 0. | |
| @@ -358,7 +358,7 @@ int FAST_FUNC get_termios_and_make_raw(int fd, struct termios *newterm, struct t | |
| } | |
| if (flags & TERMIOS_RAW_INPUT) { | |
| /* IXOFF=0: disable sending XON/XOFF if input buf is full */ | |
| - | /* IXON=0: XON/XOFF chars are treated as normal chars */ |
| + | /* IXON=0: input XON/XOFF chars are not special */ |
| /* dont convert anything on input */ | |
| newterm->c_iflag &= ~(IXOFF|IXON|IXANY|BRKINT|INLCR|ICRNL|IUCLC|IMAXBEL); | |
| } | |