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eolian generator: refactoring of file reads

This commit is contained in:
Daniel Kolesa 2015-09-29 14:11:52 +01:00
parent 97cb6c5ca9
commit 1853051618
1 changed files with 50 additions and 53 deletions
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103
src/bin/eolian/main.c
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@ -48,48 +48,47 @@ _filename_get(const char *path)
}
static Eina_Bool
_read_file(char *filename, Eina_Strbuf *buffer)
_read_file(char *filename, Eina_Strbuf **buf)
{
Eina_Bool ret = EINA_FALSE;
long file_size = 0;
eina_strbuf_reset(buffer);
FILE *fd = fopen(filename, "rb");
if (fd)
if (!fd)
{
fseek(fd, 0, SEEK_END);
file_size = ftell(fd);
if (file_size <= 0)
{
fprintf(stderr, "eolian: could not get length of '%s'\n", filename);
goto end;
}
fseek(fd, 0, SEEK_SET);
char *content = malloc(file_size + 1);
if (!content)
{
fprintf(stderr, "eolian: could not allocate memory for '%s'\n", filename);
goto end;
}
long actual_size = (long)fread(content, 1, file_size, fd);
if (actual_size != file_size)
{
fprintf(stderr, "eolian: could not read %ld bytes from '%s' (read %ld bytes)\n",
file_size, filename, actual_size);
free(content);
goto end;
}
content[file_size] = '\0';
eina_strbuf_append(buffer, content);
free(content);
*buf = eina_strbuf_new();
return EINA_TRUE;
}
ret = EINA_TRUE;
end:
if (fd) fclose(fd);
return ret;
fseek(fd, 0, SEEK_END);
long file_size = ftell(fd);
if (file_size <= 0)
{
fprintf(stderr, "eolian: could not get length of '%s'\n", filename);
fclose(fd);
return EINA_FALSE;
}
fseek(fd, 0, SEEK_SET);
char *content = malloc(file_size + 1);
if (!content)
{
fprintf(stderr, "eolian: could not allocate memory for '%s'\n", filename);
fclose(fd);
return EINA_FALSE;
}
long actual_size = (long)fread(content, 1, file_size, fd);
if (actual_size != file_size)
{
fprintf(stderr, "eolian: could not read %ld bytes from '%s' (read %ld bytes)\n",
file_size, filename, actual_size);
free(content);
fclose(fd);
return EINA_FALSE;
}
content[file_size] = '\0';
fclose(fd);
*buf = eina_strbuf_manage_new_length(content, file_size);
return EINA_TRUE;
}
static Eina_Bool
@ -225,25 +224,23 @@ end:
static Eina_Bool
_generate_impl_c_file(char *filename, const char *eo_filename)
{
Eina_Bool ret = EINA_FALSE;
Eina_Strbuf *buffer = eina_strbuf_new();
const Eolian_Class *class = eolian_class_get_by_file(eo_filename);
if (class)
if (!class)
return EINA_FALSE;
Eina_Strbuf *buffer = NULL;
if (!_read_file(filename, &buffer))
return EINA_FALSE;
if (!impl_source_generate(class, buffer))
{
if (!_read_file(filename, buffer)) goto end;
if (!impl_source_generate(class, buffer))
{
fprintf(stderr, "eolian: could not generate source for '%s'\n",
eolian_class_name_get(class));
goto end;
}
if (_write_file(filename, buffer, EINA_FALSE))
ret = EINA_TRUE;
fprintf(stderr, "eolian: could not generate source for '%s'\n",
eolian_class_name_get(class));
eina_strbuf_free(buffer);
return EINA_FALSE;
}
end:
Eina_Bool ret = _write_file(filename, buffer, EINA_FALSE);
eina_strbuf_free(buffer);
return ret;
}