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text_viewer: callback functions are changed to the function that returns int value.

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And the text viewer quits when the problem occurs by callback functions.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27172 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Yoshihisa Uchida 2010-06-29 11:05:36 +00:00
parent 7195f3a30c
commit 07d03729ff
13 changed files with 56 additions and 25 deletions
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5
apps/plugins/text_viewer/tv_reader.c
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@ -132,7 +132,7 @@ void tv_seek(off_t offset, int whence)
}
}
static void tv_change_preferences(const struct tv_preferences *oldp)
static int tv_change_preferences(const struct tv_preferences *oldp)
{
unsigned char bom[BOM_SIZE];
int cur_start_file_pos = start_file_pos;
@ -151,7 +151,7 @@ static void tv_change_preferences(const struct tv_preferences *oldp)
fd = rb->open(preferences->file_name, O_RDONLY);
if (fd < 0)
return;
return TV_CALLBACK_ERROR;
}
/*
@ -168,6 +168,7 @@ static void tv_change_preferences(const struct tv_preferences *oldp)
file_size = rb->filesize(fd) - start_file_pos;
tv_seek(cur_file_pos + cur_start_file_pos - start_file_pos, SEEK_SET);
return TV_CALLBACK_OK;
}
bool tv_init_reader(unsigned char **buf, size_t *size)