diff options
Diffstat (limited to 'src/common/compat.c')
| -rw-r--r-- | src/common/compat.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/src/common/compat.c b/src/common/compat.c index 23efe0b656..8fd6d9bc15 100644 --- a/src/common/compat.c +++ b/src/common/compat.c @@ -449,8 +449,21 @@ get_uint32(const char *cp) return v; } /** + * Read a 32-bit value beginning at <b>cp</b>. Equivalent to + * *(uint32_t*)(cp), but will not cause segfaults on platforms that forbid + * unaligned memory access. + */ +uint64_t +get_uint64(const char *cp) +{ + uint64_t v; + memcpy(&v,cp,8); + return v; +} + +/** * Set a 16-bit value beginning at <b>cp</b> to <b>v</b>. Equivalent to - * *(uint16_t)(cp) = v, but will not cause segfaults on platforms that forbid + * *(uint16_t*)(cp) = v, but will not cause segfaults on platforms that forbid * unaligned memory access. */ void set_uint16(char *cp, uint16_t v) @@ -459,13 +472,22 @@ set_uint16(char *cp, uint16_t v) } /** * Set a 32-bit value beginning at <b>cp</b> to <b>v</b>. Equivalent to - * *(uint32_t)(cp) = v, but will not cause segfaults on platforms that forbid + * *(uint32_t*)(cp) = v, but will not cause segfaults on platforms that forbid * unaligned memory access. */ void set_uint32(char *cp, uint32_t v) { memcpy(cp,&v,4); } +/** + * Set a 64-bit value beginning at <b>cp</b> to <b>v</b>. Equivalent to + * *(uint64_t*)(cp) = v, but will not cause segfaults on platforms that forbid + * unaligned memory access. */ +void +set_uint64(char *cp, uint64_t v) +{ + memcpy(cp,&v,8); +} /** * Rename the file <b>from</b> to the file <b>to</b>. On unix, this is |