9os

Experimental kernel using plan9 ideas for embedded device
git clone git://git.simple-cc.org/9os
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getline.c (284B)

      1 #include <os9/os9.h>
      2 
      3 #include <libk.h>
      4 
      5 int
      6 getline(Chan *c, char *line, int size)
      7 {
      8 	int n, r;
      9 	char ch;
     10 
     11 	for (ch = n = 0; n < size-1 && ch != '\n'; ++n) {
     12 		if ((r = chanread(c, &ch, 1)) < 0)
     13 			return -1;
     14 		if (r == 0)
     15 			break;
     16 		line[n] = ch;
     17 	}
     18 	line[n] = '\0';
     19 
     20 	return n;
     21 }