dengweijie/lib_xua
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Add missing string and memset buffers

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lucianom
2020-03-05 10:15:35 +00:00
parent 5fd34acab5
commit 4d0de4e01a
2 changed files with 11 additions and 7 deletions
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3
lib_xua/src/core/endpoint0/xua_endpoint0.c
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@@ -234,6 +234,8 @@ void XUA_Endpoint0_setVendorId(unsigned short vid) {
}
void concatenateAndCopyStrings(char* string1, char* string2, char* string_buffer) {
memset(string_buffer, '\0', strlen(string_buffer));
uint32_t remaining_buffer_size = MIN(strlen(string1), XUA_MAX_STR_LEN-1);
strncpy(string_buffer, string1, remaining_buffer_size);
uint32_t total_string_size = MIN(strlen(string1)+strlen(string2), XUA_MAX_STR_LEN-1);
@@ -246,6 +248,7 @@ void concatenateAndCopyStrings(char* string1, char* string2, char* string_buffer
}
void XUA_Endpoint0_setStrTable() {
// update Vendor strings
concatenateAndCopyStrings(g_vendor_str, "", g_strTable.vendorStr);
#if (AUDIO_CLASS == 2)

15
lib_xua/src/core/endpoint0/xua_ep0_descriptors.h
View File

@@ -32,13 +32,14 @@
// The last char of the strings are different, so that the compiler allocates separate memory spaces
#define XUA_VENDOR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\01"
#define XUA_PRODUCT_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\02"
#define XUA_INTERNAL_CLOCK_SELECTOR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\03"
#define XUA_SPDIF_CLOCK_SOURCE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\04"
#define XUA_ADAT_CLOCK_SOURCE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\05"
#define XUA_DFU_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\06"
#define XUA_CTRL_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\07"
#define XUA_MIDI_OUT_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\08"
#define XUA_MIDI_IN_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\09"
#define XUA_CLOCK_SELECTOR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\03"
#define XUA_INTERNAL_CLOCK_SELECTOR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\04"
#define XUA_SPDIF_CLOCK_SOURCE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\05"
#define XUA_ADAT_CLOCK_SOURCE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\06"
#define XUA_DFU_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\07"
#define XUA_CTRL_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\08"
#define XUA_MIDI_OUT_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\09"
#define XUA_MIDI_IN_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0a"
// The value below must match the length of XUA_DESCR_EMPTY_STRING.
#define XUA_MAX_STR_LEN (32)