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fixed stack corruption for decode algorithm

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This commit is contained in:
strawmanbobi
2016-12-24 20:45:17 +08:00
parent 610a08fcff
commit cb1cbd3c57
6 changed files with 1286 additions and 96 deletions
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88
src/ir_decoder/irda_main.c
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@@ -27,51 +27,12 @@ Revision log:
#include "include/irda_main.h"
// global variable definition
long binary_length = 0;
UINT8 *binary_content = NULL;
remote_ac_status_t ac_status;
UINT16 user_data[USER_DATA_SIZE];
INT8 irda_ac_file_open(const char* file_name);
INT8 irda_tv_file_open(const char* file_name);
INT8 irda_ac_file_open(const char* file_name)
{
#if !defined WIN32
FILE *stream = fopen(file_name, "rb");
#else
FILE *stream;
fopen_s(&stream, file_name, "rb");
#endif
if (NULL == stream)
{
IR_PRINTF("\nfile open failed : %d\n", errno);
return IR_DECODE_FAILED;
}
fseek(stream, 0, SEEK_END);
binary_length = ftell(stream);
binary_content = (UINT8*) irda_malloc(binary_length);
if (NULL == binary_content)
{
IR_PRINTF("\nfailed to alloc memory for binary\n");
return IR_DECODE_FAILED;
}
fseek(stream, 0, SEEK_SET);
fread(binary_content, binary_length, 1, stream);
fclose(stream);
if (IR_DECODE_FAILED == irda_ac_lib_open(binary_content, binary_length))
{
irda_free(binary_content);
binary_length = 0;
return IR_DECODE_FAILED;
}
return IR_DECODE_SUCCEEDED;
}
INT8 decode_as_ac(const char* file_name)
{
@@ -214,49 +175,6 @@ INT8 decode_as_ac(const char* file_name)
irda_ac_lib_close();
// free binary buffer
irda_free(binary_content);
binary_length = 0;
return IR_DECODE_SUCCEEDED;
}
INT8 irda_tv_file_open(const char* file_name)
{
int print_index = 0;
#if !defined WIN32
FILE *stream = fopen(file_name, "rb");
#else
FILE *stream;
fopen_s(&stream, file_name, "rb");
#endif
IR_PRINTF("file name = %s\n", file_name);
if (stream == NULL)
{
IR_PRINTF("\nfile open failed : %d\n", errno);
return IR_DECODE_FAILED;
}
fseek(stream, 0, SEEK_END);
binary_length = ftell(stream);
IR_PRINTF("length of binary = %d\n", (int)binary_length);
binary_content = (UINT8*) irda_malloc(binary_length);
fseek(stream, 0, SEEK_SET);
fread(binary_content, binary_length, 1, stream);
fclose(stream);
if (IR_DECODE_FAILED == irda_tv_lib_open(binary_content, binary_length))
{
irda_free(binary_content);
binary_length = 0;
return IR_DECODE_FAILED;
}
return IR_DECODE_SUCCEEDED;
}
@@ -299,10 +217,6 @@ INT8 decode_as_tv(char *file_name, UINT8 irda_hex_encode)
}
} while('Q' != in_char);
// free binary buffer
irda_free(binary_content);
binary_length = 0;
return IR_DECODE_SUCCEEDED;
}