tesseract 5.2.0
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fuzzer-api.cpp File Reference
#include <allheaders.h>
#include <tesseract/baseapi.h>
#include <libgen.h>
#include <cstdio>
#include <cstdlib>
#include <string>

Go to the source code of this file.

Classes

class  BitReader
 

Macros

#define TESSERACT_FUZZER_WIDTH   100
 
#define TESSERACT_FUZZER_HEIGHT   100
 

Functions

int LLVMFuzzerInitialize (int *, char ***pArgv)
 
int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
 

Macro Definition Documentation

◆ TESSERACT_FUZZER_HEIGHT

#define TESSERACT_FUZZER_HEIGHT   100

Definition at line 14 of file fuzzer-api.cpp.

◆ TESSERACT_FUZZER_WIDTH

#define TESSERACT_FUZZER_WIDTH   100

Definition at line 10 of file fuzzer-api.cpp.

Function Documentation

◆ LLVMFuzzerInitialize()

int LLVMFuzzerInitialize ( int *  ,
char ***  pArgv 
)

Definition at line 46 of file fuzzer-api.cpp.

46 {
47 if (std::getenv("TESSDATA_PREFIX") == nullptr) {
48 std::string binary_path = *pArgv[0];
49 const std::string filepath = dirname(&binary_path[0]);
50
51 const std::string tessdata_path = filepath + "/" + "tessdata";
52 if (setenv("TESSDATA_PREFIX", tessdata_path.c_str(), 1) != 0) {
53 printf("Setenv failed\n");
54 std::abort();
55 }
56 }
57
58 api = new tesseract::TessBaseAPI();
59 if (api->Init(nullptr, "eng") != 0) {
60 printf("Cannot initialize API\n");
61 abort();
62 }
63
64 /* Silence output */
65 api->SetVariable("debug_file", "/dev/null");
66
67 return 0;
68}
bool SetVariable(const char *name, const char *value)
Definition: baseapi.cpp:279
int Init(const char *datapath, const char *language, OcrEngineMode mode, char **configs, int configs_size, const std::vector< std::string > *vars_vec, const std::vector< std::string > *vars_values, bool set_only_non_debug_params)
Definition: baseapi.cpp:368

◆ LLVMFuzzerTestOneInput()

int LLVMFuzzerTestOneInput ( const uint8_t *  data,
size_t  size 
)

Definition at line 87 of file fuzzer-api.cpp.

87 {
88 BitReader BR(data, size);
89
90 auto pix = createPix(BR, TESSERACT_FUZZER_WIDTH, TESSERACT_FUZZER_HEIGHT);
91
92 api->SetImage(pix);
93
94 char *outText = api->GetUTF8Text();
95
96 pixDestroy(&pix);
97 delete[] outText;
98
99 return 0;
100}
#define TESSERACT_FUZZER_WIDTH
Definition: fuzzer-api.cpp:10
#define TESSERACT_FUZZER_HEIGHT
Definition: fuzzer-api.cpp:14
void SetImage(const unsigned char *imagedata, int width, int height, int bytes_per_pixel, int bytes_per_line)
Definition: baseapi.cpp:576