21 lines
659 B
C
21 lines
659 B
C
// RUN: %check_clang_tidy %s cert-env33-c %t
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typedef struct FILE {} FILE;
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extern int system(const char *);
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extern FILE *popen(const char *, const char *);
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extern FILE *_popen(const char *, const char *);
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void f(void) {
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// It is permissible to check for the presence of a command processor.
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system(0);
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system("test");
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: calling 'system' uses a command processor [cert-env33-c]
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popen("test", "test");
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: calling 'popen' uses a command processor
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_popen("test", "test");
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: calling '_popen' uses a command processor
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}
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