DeforaOS/utils
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Fixed the error code and found a crash

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This commit is contained in:
Pierre Pronchery 2009-10-20 15:08:23 +00:00
parent 5594455536
commit 29f1de8884
1 changed files with 6 additions and 6 deletions
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12
src/tail.c
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@ -1,5 +1,5 @@
/* $Id$ */
/* Copyright (c) 2007 Pierre Pronchery <khorben@defora.org> */
/* Copyright (c) 2009 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Unix utils */
/* utils is not free software; you can redistribute it and/or modify it under
* the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0
@ -31,7 +31,7 @@ typedef struct _Prefs
int bytes;
int lines;
} Prefs;
#define PREFS_f 0x1
#define TAIL_PREFS_f 0x1
static int _tail_error(char const * message, int ret);
static int _tail_do_bytes(Prefs * prefs, FILE * fp, char const * filename);
@ -117,6 +117,7 @@ static int _tail_do_lines(Prefs * prefs, FILE * fp, char const * filename)
lines[pos][column] = '\0';
column = 0;
}
/* FIXME crashes if directly EOF */
_lines_print(lines, pos);
if(c != EOF || !feof(fp))
ret = _tail_error(filename, 1);
@ -150,9 +151,8 @@ static void _lines_print(char ** lines, int pos)
for(i = 0; i <= pos; i++)
{
fputs(lines[i], stdout);
puts(lines[i]);
free(lines[i]);
fputc('\n', stdout);
}
}
@ -178,7 +178,7 @@ int main(int argc, char * argv[])
switch(o)
{
case 'f':
prefs.flags |= PREFS_f;
prefs.flags |= TAIL_PREFS_f;
break;
case 'c':
prefs.lines = 0;
@ -197,5 +197,5 @@ int main(int argc, char * argv[])
}
if(optind != argc && optind + 1 != argc)
return _usage();
return _tail(&prefs, argv[optind]) ? 0 : 2;
return (_tail(&prefs, argv[optind]) == 0) ? 0 : 2;
}