| Nico Weber | 0e6daef | 2013-12-26 23:38:39 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | // |
| 3 | |
| 4 | typedef __SIZE_TYPE__ size_t; |
| 5 | extern "C" void *memset(void *, int, size_t); |
| 6 | extern "C" void *memmove(void *s1, const void *s2, size_t n); |
| 7 | extern "C" void *memcpy(void *s1, const void *s2, size_t n); |
| 8 | extern "C" void *memcmp(void *s1, const void *s2, size_t n); |
| 9 | extern "C" int strncmp(const char *s1, const char *s2, size_t n); |
| 10 | extern "C" int strncasecmp(const char *s1, const char *s2, size_t n); |
| 11 | extern "C" char *strncpy(char *dst, const char *src, size_t n); |
| 12 | extern "C" char *strncat(char *dst, const char *src, size_t n); |
| 13 | extern "C" char *strndup(const char *src, size_t n); |
| 14 | extern "C" size_t strlcpy(char *dst, const char *src, size_t size); |
| 15 | extern "C" size_t strlcat(char *dst, const char *src, size_t size); |
| 16 | |
| 17 | void f() { |
| 18 | char b1[80], b2[80]; |
| 19 | if (memset(b1, 0, sizeof(b1) != 0)) {} // \ |
| 20 | expected-warning{{size argument in 'memset' call is a comparison}} \ |
| 21 | expected-note {{did you mean to compare}} \ |
| 22 | expected-note {{explicitly cast the argument}} |
| 23 | if (memset(b1, 0, sizeof(b1)) != 0) {} |
| 24 | |
| 25 | if (memmove(b1, b2, sizeof(b1) == 0)) {} // \ |
| 26 | expected-warning{{size argument in 'memmove' call is a comparison}} \ |
| 27 | expected-note {{did you mean to compare}} \ |
| 28 | expected-note {{explicitly cast the argument}} |
| 29 | if (memmove(b1, b2, sizeof(b1)) == 0) {} |
| 30 | |
| 31 | if (memcpy(b1, b2, sizeof(b1) < 0)) {} // \ |
| 32 | expected-warning{{size argument in 'memcpy' call is a comparison}} \ |
| 33 | expected-note {{did you mean to compare}} \ |
| 34 | expected-note {{explicitly cast the argument}} |
| 35 | if (memcpy(b1, b2, sizeof(b1)) < 0) {} |
| 36 | |
| 37 | if (memcmp(b1, b2, sizeof(b1) <= 0)) {} // \ |
| 38 | expected-warning{{size argument in 'memcmp' call is a comparison}} \ |
| 39 | expected-note {{did you mean to compare}} \ |
| 40 | expected-note {{explicitly cast the argument}} |
| 41 | if (memcmp(b1, b2, sizeof(b1)) <= 0) {} |
| 42 | |
| 43 | if (strncmp(b1, b2, sizeof(b1) > 0)) {} // \ |
| 44 | expected-warning{{size argument in 'strncmp' call is a comparison}} \ |
| 45 | expected-note {{did you mean to compare}} \ |
| 46 | expected-note {{explicitly cast the argument}} |
| 47 | if (strncmp(b1, b2, sizeof(b1)) > 0) {} |
| 48 | |
| 49 | if (strncasecmp(b1, b2, sizeof(b1) >= 0)) {} // \ |
| 50 | expected-warning{{size argument in 'strncasecmp' call is a comparison}} \ |
| 51 | expected-note {{did you mean to compare}} \ |
| 52 | expected-note {{explicitly cast the argument}} |
| 53 | if (strncasecmp(b1, b2, sizeof(b1)) >= 0) {} |
| 54 | |
| 55 | if (strncpy(b1, b2, sizeof(b1) == 0 || true)) {} // \ |
| 56 | expected-warning{{size argument in 'strncpy' call is a comparison}} \ |
| 57 | expected-note {{did you mean to compare}} \ |
| 58 | expected-note {{explicitly cast the argument}} |
| 59 | if (strncpy(b1, b2, sizeof(b1)) == 0 || true) {} |
| 60 | |
| 61 | if (strncat(b1, b2, sizeof(b1) - 1 >= 0 && true)) {} // \ |
| 62 | expected-warning{{size argument in 'strncat' call is a comparison}} \ |
| 63 | expected-note {{did you mean to compare}} \ |
| 64 | expected-note {{explicitly cast the argument}} |
| 65 | if (strncat(b1, b2, sizeof(b1) - 1) >= 0 && true) {} |
| 66 | |
| 67 | if (strndup(b1, sizeof(b1) != 0)) {} // \ |
| 68 | expected-warning{{size argument in 'strndup' call is a comparison}} \ |
| 69 | expected-note {{did you mean to compare}} \ |
| 70 | expected-note {{explicitly cast the argument}} |
| 71 | if (strndup(b1, sizeof(b1)) != 0) {} |
| 72 | |
| 73 | if (strlcpy(b1, b2, sizeof(b1) != 0)) {} // \ |
| 74 | expected-warning{{size argument in 'strlcpy' call is a comparison}} \ |
| 75 | expected-note {{did you mean to compare}} \ |
| 76 | expected-note {{explicitly cast the argument}} |
| 77 | if (strlcpy(b1, b2, sizeof(b1)) != 0) {} |
| 78 | |
| 79 | if (strlcat(b1, b2, sizeof(b1) != 0)) {} // \ |
| 80 | expected-warning{{size argument in 'strlcat' call is a comparison}} \ |
| 81 | expected-note {{did you mean to compare}} \ |
| 82 | expected-note {{explicitly cast the argument}} |
| 83 | if (strlcat(b1, b2, sizeof(b1)) != 0) {} |
| 84 | |
| 85 | if (memset(b1, 0, sizeof(b1) / 2)) {} |
| 86 | if (memset(b1, 0, sizeof(b1) >> 2)) {} |
| 87 | if (memset(b1, 0, 4 << 2)) {} |
| 88 | if (memset(b1, 0, 4 + 2)) {} |
| 89 | if (memset(b1, 0, 4 - 2)) {} |
| 90 | if (memset(b1, 0, 4 * 2)) {} |
| 91 | |
| 92 | if (memset(b1, 0, (size_t)(sizeof(b1) != 0))) {} |
| 93 | } |