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Add xy_str_delete_suffix()

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This commit is contained in:
Aoran Zeng 2023-09-04 21:21:36 +08:00
parent 28eb3fae31
commit e92509d0e0
2 changed files with 25 additions and 5 deletions
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15
test_xy.c
View File

@ -25,11 +25,16 @@ main (int argc, char const *argv[])
puts(xy_strjoin(6, "楚山横地出，", "汉水接天回。", "冠盖非新里，", "章华即旧台。", "习池风景异，", "归路满尘埃。")); puts(xy_strjoin(6, "楚山横地出，", "汉水接天回。", "冠盖非新里，", "章华即旧台。", "习池风景异，", "归路满尘埃。"));
putb(xy_str_end_with("abcdef", "abcdefg")); putb(xy_str_end_with("abcdef", "abcdefg")); // false
putb(xy_str_end_with("abcdef", "def")); putb(xy_str_end_with("abcdef", "def")); // true
putb(xy_str_end_with("abcdef", "bcdef")); putb(xy_str_end_with("abcdef", "bcdef")); // true
putb(xy_str_end_with("abcdef", "abcdef")); putb(xy_str_end_with("abcdef", "abcdef")); // true
putb(xy_str_end_with("abcdef", "")); putb(xy_str_end_with("abcdef", "")); // true
puts(xy_str_delete_suffix("abcdefg", "cdef")); // 不变
puts(xy_str_delete_suffix("abcdefg", "cdefgh"));// 不变
puts(xy_str_delete_suffix("abcdefg", "")); // 不变
puts(xy_str_delete_suffix("abcdefg", "efg")); // abcd
xy_success("成功：输出成功内容"); xy_success("成功：输出成功内容");
xy_info("信息: 输出信息内容"); xy_info("信息: 输出信息内容");

15
xy.h
View File

@ -301,4 +301,19 @@ xy_str_end_with (const char* str, const char* suffix)
return true; return true;
} }
char*
xy_str_delete_suffix (const char* str, const char* suffix)
{
char* new = xy_strdup(str);
bool yes = xy_str_end_with(str, suffix);
if (!yes) return new;
size_t len1 = strlen(str);
size_t len2 = strlen(suffix);
char* cur = new + len1 - len2;
*cur = '\0';
return new;
}
#endif #endif