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Merge pull request #1688 from stweil/cov
Check return values from fopen (fixes several Coverity Scan reports)
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commit
2bb4c4ed44
@ -1195,8 +1195,12 @@ bool TessBaseAPI::ProcessPage(Pix* pix, int page_index, const char* filename,
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if (failed && retry_config != nullptr && retry_config[0] != '\0') {
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// Save current config variables before switching modes.
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FILE* fp = fopen(kOldVarsFile, "wb");
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PrintVariables(fp);
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fclose(fp);
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if (fp == nullptr) {
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tprintf("Error, failed to open file \"%s\"\n", kOldVarsFile);
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} else {
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PrintVariables(fp);
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fclose(fp);
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}
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// Switch to alternate mode for retry.
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ReadConfigFile(retry_config);
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SetImage(pix);
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@ -128,8 +128,12 @@ bool Tesseract::ProcessTargetWord(const TBOX& word_box,
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if (backup_config_file_ == nullptr) {
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backup_config_file_ = kBackUpConfigFile;
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FILE* config_fp = fopen(backup_config_file_, "wb");
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ParamUtils::PrintParams(config_fp, params());
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fclose(config_fp);
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if (config_fp == nullptr) {
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tprintf("Error, failed to open file \"%s\"\n", backup_config_file_);
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} else {
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ParamUtils::PrintParams(config_fp, params());
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fclose(config_fp);
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}
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ParamUtils::ReadParamsFile(word_config,
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SET_PARAM_CONSTRAINT_DEBUG_ONLY,
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params());
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@ -578,8 +578,12 @@ void MasterTrainer::WriteInttempAndPFFMTable(const UNICHARSET& unicharset,
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INT_TEMPLATES int_templates = classify->CreateIntTemplates(float_classes,
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shape_set);
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FILE* fp = fopen(inttemp_file, "wb");
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classify->WriteIntTemplates(fp, int_templates, shape_set);
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fclose(fp);
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if (fp == nullptr) {
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tprintf("Error, failed to open file \"%s\"\n", inttemp_file);
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} else {
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classify->WriteIntTemplates(fp, int_templates, shape_set);
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fclose(fp);
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}
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// Now write pffmtable. This is complicated by the fact that the adaptive
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// classifier still wants one indexed by unichar-id, but the static
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// classifier needs one indexed by its shape class id.
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@ -612,15 +616,19 @@ void MasterTrainer::WriteInttempAndPFFMTable(const UNICHARSET& unicharset,
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shapetable_cutoffs.push_back(max_length);
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}
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fp = fopen(pffmtable_file, "wb");
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shapetable_cutoffs.Serialize(fp);
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for (int c = 0; c < unicharset.size(); ++c) {
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const char *unichar = unicharset.id_to_unichar(c);
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if (strcmp(unichar, " ") == 0) {
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unichar = "NULL";
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if (fp == nullptr) {
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tprintf("Error, failed to open file \"%s\"\n", pffmtable_file);
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} else {
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shapetable_cutoffs.Serialize(fp);
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for (int c = 0; c < unicharset.size(); ++c) {
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const char *unichar = unicharset.id_to_unichar(c);
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if (strcmp(unichar, " ") == 0) {
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unichar = "NULL";
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}
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fprintf(fp, "%s %d\n", unichar, unichar_cutoffs[c]);
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}
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fprintf(fp, "%s %d\n", unichar, unichar_cutoffs[c]);
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fclose(fp);
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}
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fclose(fp);
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free_int_templates(int_templates);
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delete classify;
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}
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