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	fgetrune.c - sbase - suckless unix tools
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	---
	fgetrune.c (576B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <errno.h>
	3 #include <stdio.h>
	4 #include <stdlib.h>
	5 #include <string.h>
	6
	7 #include "../utf.h"
	8
	9 int
	10 fgetrune(Rune r, FILE fp)
	11 {
	12 char buf[UTFmax];
	13 int i = 0, c;
	14
	15 while (i < UTFmax && (c = fgetc(fp)) != EOF) {
	16 buf[i++] = c;
	17 if (charntorune(r, buf, i) > 0)
	18 break;
	19 }
	20 if (ferror(fp))
	21 return -1;
	22
	23 return i;
	24 }
	25
	26 int
	27 efgetrune(Rune r, FILE fp, const char *file)
	28 {
	29 int ret;
	30
	31 if ((ret = fgetrune(r, fp)) < 0) {
	32 fprintf(stderr, "fgetrune %s: %s\n", file, strerror(errn…
	33 exit(1);
	34 }
	35 return ret;
	36 }