X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=blobdiff_plain;f=config%2Fconfdata.c;h=7a2bc8fc85658581bf83d931dee22c69249fce9b;hp=d45c37e6c7983eb3189529af59bf54bb6c76eb8b;hb=a73a0c24ea59bb035857da45a3a41febd1783668;hpb=f11f37fb0552128b46cdfef44e65a5b2d0c6f3f3

diff --git a/config/confdata.c b/config/confdata.c
index d45c37e..7a2bc8f 100644
--- a/config/confdata.c
+++ b/config/confdata.c
@@ -182,10 +182,66 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
 	return 0;
 }
 
+#define LINE_GROWTH 16
+static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
+{
+	char *nline;
+	size_t new_size = slen + 1;
+	if (new_size > *n) {
+		new_size += LINE_GROWTH - 1;
+		new_size *= 2;
+		nline = realloc(*lineptr, new_size);
+		if (!nline)
+			return -1;
+
+		*lineptr = nline;
+		*n = new_size;
+	}
+
+	(*lineptr)[slen] = c;
+
+	return 0;
+}
+
+static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
+{
+	char *line = *lineptr;
+	size_t slen = 0;
+
+	for (;;) {
+		int c = getc(stream);
+
+		switch (c) {
+		case '\n':
+			if (add_byte(c, &line, slen, n) < 0)
+				goto e_out;
+			slen++;
+			/* fall through */
+		case EOF:
+			if (add_byte('\0', &line, slen, n) < 0)
+				goto e_out;
+			*lineptr = line;
+			if (slen == 0)
+				return -1;
+			return slen;
+		default:
+			if (add_byte(c, &line, slen, n) < 0)
+				goto e_out;
+			slen++;
+		}
+	}
+
+e_out:
+	line[slen-1] = '\0';
+	*lineptr = line;
+	return -1;
+}
+
 int conf_read_simple(const char *name, int def)
 {
 	FILE *in = NULL;
-	char line[1024];
+	char   *line = NULL;
+	size_t  line_asize = 0;
 	char *p, *p2;
 	struct symbol *sym;
 	int i, def_flags;
@@ -247,7 +303,7 @@ load:
 		}
 	}
 
-	while (fgets(line, sizeof(line), in)) {
+	while (compat_getline(&line, &line_asize, in) != -1) {
 		conf_lineno++;
 		sym = NULL;
 		if (line[0] == '#') {
@@ -335,6 +391,7 @@ setsym:
 			cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
 		}
 	}
+	free(line);
 	fclose(in);
 
 	if (modules_sym)