diff options
-rw-r--r-- | read.c | 17 |
1 files changed, 12 insertions, 5 deletions
@@ -326,7 +326,7 @@ read_makefile (filename, type) while (!feof (infile)) { lineno += nlines; - nlines = readline (&lb, infile, filename); + nlines = readline (&lb, infile, filename, lineno); if (collapsed_length < lb.size) { @@ -723,7 +723,7 @@ do_define (name, namelen, origin, lineno, infile, filename) while (!feof (infile)) { lineno += nlines; - nlines = readline (&lb, infile, filename); + nlines = readline (&lb, infile, filename, lineno); p = next_token (lb.buffer); if ((p[5] == '\0' || isblank (p[5])) && !strncmp (p, "endef", 5)) @@ -1480,10 +1480,11 @@ parse_file_seq (stringp, stopchar, size) */ static unsigned int -readline (linebuffer, stream, filename) +readline (linebuffer, stream, filename, lineno) struct linebuffer *linebuffer; FILE *stream; char *filename; + unsigned int lineno; { char *buffer = linebuffer->buffer; register char *p = linebuffer->buffer; @@ -1499,11 +1500,15 @@ readline (linebuffer, stream, filename) { if (fgets (p, end - p, stream) == 0) if (feof (stream)) - return nlines; + break; else pfatal_with_name (filename); len = strlen (p); + if (len == 0) + /* This only happens when the first thing on the line is a '\0'. */ + makefile_fatal (filename, lineno, "NUL not allowed in makefile"); + p += len; if (p[-1] != '\n') { @@ -1543,7 +1548,7 @@ readline (linebuffer, stream, filename) if (!backslash) { p[-1] = '\0'; - return nlines; + break; } if (end - p <= 1) @@ -1557,6 +1562,8 @@ readline (linebuffer, stream, filename) linebuffer->buffer = buffer; } } + + return nlines; } /* Construct the list of include directories |