mirror of
https://github.com/tuxbox-neutrino/neutrino.git
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86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <sys/types.h>
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#include <error.h>
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#include <errno.h>
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#include <string.h>
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#include "libmd5sum.h"
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#include "md5.h"
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#include "getline.h"
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#define STREQ(a, b) (strcmp ((a), (b)) == 0)
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static int have_read_stdin;
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#if O_BINARY
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# define OPENOPTS(BINARY) ((BINARY) != 0 ? TEXT1TO1 : TEXTCNVT)
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# define TEXT1TO1 "rb"
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# define TEXTCNVT "r"
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#else
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# if defined VMS
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# define OPENOPTS(BINARY) ((BINARY) != 0 ? TEXT1TO1 : TEXTCNVT)
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# define TEXT1TO1 "rb", "ctx=stm"
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# define TEXTCNVT "r", "ctx=stm"
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# else
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# if UNIX || __UNIX__ || unix || __unix__ || _POSIX_VERSION
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# define OPENOPTS(BINARY) "r"
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# else
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/* The following line is intended to evoke an error.
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Using #error is not portable enough. */
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"Cannot determine system type."
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# endif
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# endif
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#endif
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int md5_file (const char *filename, int binary, unsigned char *md5_result)
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{
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FILE *fp;
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int err;
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(void)binary;
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if (STREQ (filename, "-"))
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{
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have_read_stdin = 1;
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fp = stdin;
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#if O_BINARY
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/* If we need binary reads from a pipe or redirected stdin, we need
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to switch it to BINARY mode here, since stdin is already open. */
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if (binary)
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SET_BINARY (fileno (stdin));
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#endif
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}
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else
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{
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/* OPENOPTS is a macro. It varies with the system.
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Some systems distinguish between internal and
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external text representations. */
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fp = fopen (filename, OPENOPTS (binary));
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if (fp == NULL)
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{
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error (0, errno, "%s", filename);
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return 1;
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}
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}
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err = md5_stream (fp, md5_result);
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if (err)
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{
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error (0, errno, "%s", filename);
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if (fp != stdin)
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fclose (fp);
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return 1;
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}
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if (fp != stdin && fclose (fp) == EOF)
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{
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error (0, errno, "%s", filename);
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return 1;
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}
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return 0;
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}
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