93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.API -verify %s
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#ifndef O_RDONLY
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#define O_RDONLY 0
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#endif
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#ifndef NULL
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#define NULL ((void*) 0)
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#endif
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int open(const char *, int, ...);
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int openat(int, const char *, int, ...);
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int close(int fildes);
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void open_1(const char *path) {
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int fd;
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fd = open(path, O_RDONLY); // no-warning
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if (fd > -1)
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close(fd);
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}
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void open_2(const char *path) {
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int fd;
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int mode = 0x0;
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fd = open(path, O_RDONLY, mode, NULL); // expected-warning{{Call to 'open' with more than 3 arguments}}
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if (fd > -1)
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close(fd);
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}
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void openat_2(int base_fd, const char *path) {
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int fd;
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int mode = 0x0;
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fd = openat(base_fd, path, O_RDONLY, mode, NULL); // expected-warning{{Call to 'openat' with more than 4 arguments}}
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if (fd > -1)
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close(fd);
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}
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void open_3(const char *path) {
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int fd;
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fd = open(path, O_RDONLY, NULL); // expected-warning{{The 3rd argument to 'open' is not an integer}}
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if (fd > -1)
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close(fd);
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}
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void openat_3(int base_fd, const char *path) {
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int fd;
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fd = openat(base_fd, path, O_RDONLY, NULL); // expected-warning{{The 4th argument to 'openat' is not an integer}}
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if (fd > -1)
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close(fd);
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}
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void open_4(const char *path) {
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int fd;
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fd = open(path, O_RDONLY, ""); // expected-warning{{The 3rd argument to 'open' is not an integer}}
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if (fd > -1)
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close(fd);
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}
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void open_5(const char *path) {
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int fd;
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struct {
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int val;
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} st = {0};
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fd = open(path, O_RDONLY, st); // expected-warning{{The 3rd argument to 'open' is not an integer}}
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if (fd > -1)
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close(fd);
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}
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void open_6(const char *path) {
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int fd;
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struct {
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int val;
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} st = {0};
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fd = open(path, O_RDONLY, st.val); // no-warning
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if (fd > -1)
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close(fd);
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}
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void open_7(const char *path) {
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int fd;
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fd = open(path, O_RDONLY, &open); // expected-warning{{The 3rd argument to 'open' is not an integer}}
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if (fd > -1)
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close(fd);
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}
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void open_8(const char *path) {
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int fd;
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fd = open(path, O_RDONLY, 0.0f); // expected-warning{{The 3rd argument to 'open' is not an integer}}
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if (fd > -1)
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close(fd);
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}
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