diff options
Diffstat (limited to 'lib/libc/gen/getobjformat.c')
-rw-r--r-- | lib/libc/gen/getobjformat.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/lib/libc/gen/getobjformat.c b/lib/libc/gen/getobjformat.c deleted file mode 100644 index 98e6ab0..0000000 --- a/lib/libc/gen/getobjformat.c +++ /dev/null @@ -1,119 +0,0 @@ -/*- - * Copyright (c) 1998 John D. Polstra - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include <sys/param.h> -#include <objformat.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#define PATH_OBJFORMAT "/etc/objformat" - -static int copyformat(char *, const char *, size_t); - -static const char *known_formats[] = { OBJFORMAT_NAMES, NULL }; - -static int -copyformat(char *buf, const char *fmt, size_t bufsize) -{ - size_t len; - - len = strlen(fmt); - if (len > bufsize - 1) - return -1; - strcpy(buf, fmt); - return len; -} - -int -getobjformat(char *buf, size_t bufsize, int *argcp, char **argv) -{ - const char *fmt; - char **src, **dst; - const char *env; - FILE *fp; - - fmt = NULL; - - if (argv != NULL) { - /* - * Scan for arguments setting known formats, e.g., "-elf". - * If "argcp" is non-NULL, delete these arguments from the - * list and update the argument count in "*argcp". - */ - for (dst = src = argv; *src != NULL; src++) { - if ((*src)[0] == '-') { - const char **p; - - for (p = known_formats; *p != NULL; p++) - if (strcmp(*src + 1, *p) == 0) - break; - if (*p != NULL) { - fmt = *p; - if (argcp == NULL) /* Don't delete */ - *dst++ = *src; - } else - *dst++ = *src; - } else - *dst++ = *src; - } - *dst = NULL; - if (argcp != NULL) - *argcp -= src - dst; - if (fmt != NULL) - return copyformat(buf, fmt, bufsize); - } - - /* Check the OBJFORMAT environment variable. */ - if ((env = getenv("OBJFORMAT")) != NULL) - return copyformat(buf, env, bufsize); - - /* Take a look at "/etc/objformat". */ - if ((fp = fopen(PATH_OBJFORMAT, "r")) != NULL) { - char line[1024]; - int found; - int len; - - found = len = 0; - while (fgets(line, sizeof line, fp) != NULL) { - if (strncmp(line, "OBJFORMAT=", 10) == 0) { - char *p = &line[10]; - - p[strcspn(p, " \t\n")] = '\0'; - len = copyformat(buf, p, bufsize); - found = 1; - } - } - fclose(fp); - if (found) - return len; - } - - /* As a last resort, use the compiled in default. */ - return copyformat(buf, OBJFORMAT_DEFAULT, bufsize); -} |