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(content.c) Cut down on code duplication

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twinaphex 2015-02-16 02:31:06 +01:00
parent 0d8fd70b58
commit 400b01d131
1 changed files with 14 additions and 27 deletions
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41
content.c
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@ -41,15 +41,20 @@
#endif #endif
#endif #endif
static bool apply_patch_content(uint8_t *ret_buf, uint8_t **buf, static bool apply_patch_content(uint8_t **buf,
ssize_t *size, const char *patch_desc, const char *patch_path, ssize_t *size, const char *patch_desc, const char *patch_path,
patch_func_t func, void *patch_data, ssize_t *patch_size) patch_func_t func)
{ {
void *patch_data = NULL;
size_t target_size; size_t target_size;
patch_error_t err = PATCH_UNKNOWN; patch_error_t err = PATCH_UNKNOWN;
bool success = false; bool success = false;
uint8_t *patched_content = NULL; uint8_t *patched_content = NULL;
ssize_t ret_size = *size; ssize_t ret_size = *size;
uint8_t *ret_buf = *buf;
ssize_t patch_size = read_file(patch_desc, &patch_data);
if (patch_size < 0)
return false;
if (!path_file_exists(patch_path)) if (!path_file_exists(patch_path))
return false; return false;
@ -67,7 +72,7 @@ static bool apply_patch_content(uint8_t *ret_buf, uint8_t **buf,
goto error; goto error;
} }
err = func((const uint8_t*)patch_data, *patch_size, ret_buf, err = func((const uint8_t*)patch_data, patch_size, ret_buf,
ret_size, patched_content, &target_size); ret_size, patched_content, &target_size);
if (err == PATCH_SUCCESS) if (err == PATCH_SUCCESS)
@ -99,59 +104,41 @@ error:
static bool try_bps_patch(uint8_t **buf, ssize_t *size) static bool try_bps_patch(uint8_t **buf, ssize_t *size)
{ {
void *patch_data = NULL;
uint8_t *ret_buf = *buf;
ssize_t patch_size = 0;
bool allow_bps = !g_extern.ups_pref && !g_extern.ips_pref; bool allow_bps = !g_extern.ups_pref && !g_extern.ips_pref;
if (!allow_bps) if (!allow_bps)
return false; return false;
if (g_extern.bps_name[0] == '\0') if (g_extern.bps_name[0] == '\0')
return false; return false;
patch_size = read_file(g_extern.bps_name, &patch_data);
if (patch_size < 0)
return false;
return apply_patch_content(ret_buf, buf, size, "BPS", g_extern.bps_name, return apply_patch_content(buf, size, "BPS", g_extern.bps_name,
bps_apply_patch, patch_data, &patch_size); bps_apply_patch);
} }
static bool try_ups_patch(uint8_t **buf, ssize_t *size) static bool try_ups_patch(uint8_t **buf, ssize_t *size)
{ {
void *patch_data = NULL;
uint8_t *ret_buf = *buf;
ssize_t patch_size = 0;
bool allow_ups = !g_extern.bps_pref && !g_extern.ips_pref; bool allow_ups = !g_extern.bps_pref && !g_extern.ips_pref;
if (!allow_ups) if (!allow_ups)
return false; return false;
if (g_extern.ups_name[0] == '\0') if (g_extern.ups_name[0] == '\0')
return false; return false;
patch_size = read_file(g_extern.ups_name, &patch_data);
if (patch_size < 0)
return false;
return apply_patch_content(ret_buf, buf, size, "UPS", g_extern.ups_name, return apply_patch_content(buf, size, "UPS", g_extern.ups_name,
ups_apply_patch, patch_data, &patch_size); ups_apply_patch);
} }
static bool try_ips_patch(uint8_t **buf, ssize_t *size) static bool try_ips_patch(uint8_t **buf, ssize_t *size)
{ {
void *patch_data = NULL;
uint8_t *ret_buf = *buf;
ssize_t patch_size = 0;
bool allow_ips = !g_extern.ups_pref && !g_extern.bps_pref; bool allow_ips = !g_extern.ups_pref && !g_extern.bps_pref;
if (!allow_ips) if (!allow_ips)
return false; return false;
if (g_extern.ips_name[0] == '\0') if (g_extern.ips_name[0] == '\0')
return false; return false;
patch_size = read_file(g_extern.ips_name, &patch_data);
if (patch_size < 0)
return false;
return apply_patch_content(ret_buf, buf, size, "IPS", g_extern.ips_name, return apply_patch_content(buf, size, "IPS", g_extern.ips_name,
ips_apply_patch, patch_data, &patch_size); ips_apply_patch);
} }
/** /**