/* See LICENSE file for copyright and license details. */ #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "../utf.h" int readrune(const char *file, FILE *fp, Rune *r) { char buf[UTFmax]; int c, i; if ((c = fgetc(fp)) == EOF) { if (ferror(fp)) { fprintf(stderr, "%s: read error: %s\n", file, strerror(errno)); exit(1); } return 0; } if (c < Runeself) { *r = (Rune)c; return 1; } buf[0] = c; for (i = 1; i < UTFmax; ) { if ((c = fgetc(fp)) == EOF) { if (ferror(fp)) { fprintf(stderr, "%s: read error: %s\n", file, strerror(errno)); exit(1); } *r = Runeerror; return i; } buf[i++] = c; if (fullrune(buf, i)) { chartorune(r, buf); break; } } return i; }