diff options
Diffstat (limited to 'qemu/roms/u-boot/tools/getline.c')
-rw-r--r-- | qemu/roms/u-boot/tools/getline.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/qemu/roms/u-boot/tools/getline.c b/qemu/roms/u-boot/tools/getline.c deleted file mode 100644 index f7dbcc9bf..000000000 --- a/qemu/roms/u-boot/tools/getline.c +++ /dev/null @@ -1,90 +0,0 @@ -/* getline.c -- Replacement for GNU C library function getline - * - * Copyright (C) 1993, 1996, 2001, 2002 Free Software Foundation, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* Written by Jan Brittenson, bson@gnu.ai.mit.edu. */ - -#include <assert.h> -#include <stdio.h> - -/* Always add at least this many bytes when extending the buffer. */ -#define MIN_CHUNK 64 - -/* Read up to (and including) a TERMINATOR from STREAM into *LINEPTR - + OFFSET (and null-terminate it). *LINEPTR is a pointer returned from - malloc (or NULL), pointing to *N characters of space. It is realloc'd - as necessary. Return the number of characters read (not including the - null terminator), or -1 on error or EOF. - NOTE: There is another getstr() function declared in <curses.h>. */ -static int getstr(char **lineptr, size_t *n, FILE *stream, - char terminator, size_t offset) -{ - int nchars_avail; /* Allocated but unused chars in *LINEPTR. */ - char *read_pos; /* Where we're reading into *LINEPTR. */ - int ret; - - if (!lineptr || !n || !stream) - return -1; - - if (!*lineptr) { - *n = MIN_CHUNK; - *lineptr = malloc(*n); - if (!*lineptr) - return -1; - } - - nchars_avail = *n - offset; - read_pos = *lineptr + offset; - - for (;;) { - register int c = getc(stream); - - /* We always want at least one char left in the buffer, since we - always (unless we get an error while reading the first char) - NUL-terminate the line buffer. */ - - assert(*n - nchars_avail == read_pos - *lineptr); - if (nchars_avail < 2) { - if (*n > MIN_CHUNK) - *n *= 2; - else - *n += MIN_CHUNK; - - nchars_avail = *n + *lineptr - read_pos; - *lineptr = realloc(*lineptr, *n); - if (!*lineptr) - return -1; - read_pos = *n - nchars_avail + *lineptr; - assert(*n - nchars_avail == read_pos - *lineptr); - } - - if (c == EOF || ferror (stream)) { - /* Return partial line, if any. */ - if (read_pos == *lineptr) - return -1; - else - break; - } - - *read_pos++ = c; - nchars_avail--; - - if (c == terminator) - /* Return the line. */ - break; - } - - /* Done - NUL terminate and return the number of chars read. */ - *read_pos = '\0'; - - ret = read_pos - (*lineptr + offset); - return ret; -} - -int getline (char **lineptr, size_t *n, FILE *stream) -{ - return getstr(lineptr, n, stream, '\n', 0); -} |