forked from OSchip/llvm-project
44 lines
2.0 KiB
C++
44 lines
2.0 KiB
C++
// RUN: %check_clang_tidy %s cert-err34-c %t -- -- -std=c++11
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typedef void * FILE;
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extern FILE *stdin;
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extern int fscanf(FILE * stream, const char * format, ...);
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extern int sscanf(const char * s, const char * format, ...);
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extern double atof(const char *nptr);
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extern int atoi(const char *nptr);
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extern long int atol(const char *nptr);
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extern long long int atoll(const char *nptr);
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namespace std {
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using ::FILE; using ::stdin;
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using ::fscanf; using ::sscanf;
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using ::atof; using ::atoi; using ::atol; using ::atoll;
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}
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void f1(const char *in) {
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int i;
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long long ll;
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// CHECK-MESSAGES: :[[@LINE+1]]:3: warning: 'sscanf' used to convert a string to an integer value, but function will not report conversion errors; consider using 'strtol' instead [cert-err34-c]
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std::sscanf(in, "%d", &i);
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// CHECK-MESSAGES: :[[@LINE+1]]:3: warning: 'fscanf' used to convert a string to an integer value, but function will not report conversion errors; consider using 'strtoll' instead [cert-err34-c]
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std::fscanf(std::stdin, "%lld", &ll);
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}
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void f2(const char *in) {
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// CHECK-MESSAGES: :[[@LINE+1]]:11: warning: 'atoi' used to convert a string to an integer value, but function will not report conversion errors; consider using 'strtol' instead [cert-err34-c]
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int i = std::atoi(in); // to int
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// CHECK-MESSAGES: :[[@LINE+1]]:12: warning: 'atol' used to convert a string to an integer value, but function will not report conversion errors; consider using 'strtol' instead [cert-err34-c]
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long l = std::atol(in); // to long
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using namespace std;
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// CHECK-MESSAGES: :[[@LINE+1]]:18: warning: 'atoll' used to convert a string to an integer value, but function will not report conversion errors; consider using 'strtoll' instead [cert-err34-c]
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long long ll = atoll(in); // to long long
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// CHECK-MESSAGES: :[[@LINE+1]]:14: warning: 'atof' used to convert a string to a floating-point value, but function will not report conversion errors; consider using 'strtod' instead [cert-err34-c]
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double d = atof(in); // to double
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}
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