d21a63f9f
Denys Vlasenko
2020-06-30
Subject
libbb: code shrink in last_char_is()
Binary
No binary (build failed)
Architecture & Compiler Flags
—
Build Log
(log yok)
Commit Diff GitHub →
libbb/last_char_is.c+9 -8
| @@ -8,16 +8,17 @@ | |
| */ | |
| #include "libbb.h" | |
| - | /* Find out if the last character of a string matches the one given. |
| - | * Don't underrun the buffer if the string length is 0. |
| - | */ |
| + | /* Find out if the last character of a string matches the one given */ |
| char* FAST_FUNC last_char_is(const char *s, int c) | |
| { | |
| - | if (s && *s) { |
| - | size_t sz = strlen(s) - 1; |
| - | s += sz; |
| - | if ( (unsigned char)*s == c) |
| - | return (char*)s; |
| + | if (s) { |
| + | size_t sz = strlen(s); |
| + | /* Don't underrun the buffer if the string length is 0 */ |
| + | if (sz != 0) { |
| + | s += sz - 1; |
| + | if ((unsigned char)*s == c) |
| + | return (char*)s; |
| + | } |
| } | |
| return NULL; | |
| } | |