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| author | Qihao Chencao <twose@qq.com> | 2022-06-28 16:57:55 +0800 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-02-17 17:07:44 -0300 |
| commit | cc4d6614b5922c1104125b1f4d0850a88a551882 (patch) | |
| tree | aade315fd79153cf930e8dfd15581dcbdffea0b8 /misc | |
| parent | dab63442791e334d592ce91827ffa9d14ca92ea9 (diff) | |
| download | glibc-cc4d6614b5922c1104125b1f4d0850a88a551882.tar.gz glibc-cc4d6614b5922c1104125b1f4d0850a88a551882.tar.xz glibc-cc4d6614b5922c1104125b1f4d0850a88a551882.zip | |
Use uintptr_t instead of performing pointer subtraction with a null pointer
Signed-off-by: Qihao Chencao <twose@qq.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/regexp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/misc/regexp.c b/misc/regexp.c index 5ffdfb35e6..85ff41e909 100644 --- a/misc/regexp.c +++ b/misc/regexp.c @@ -23,6 +23,7 @@ argument to 'step' and 'advance' was defined only in regexp.h, as its definition depended on macros defined by the user. */ +#include <stdint.h> #include <regex.h> #include <shlib-compat.h> @@ -50,7 +51,7 @@ step (const char *string, const char *expbuf) regmatch_t match; /* We only need info about the full match. */ expbuf += __alignof (regex_t *); - expbuf -= (expbuf - ((const char *) 0)) % __alignof__ (regex_t *); + expbuf -= ((uintptr_t) expbuf) % __alignof__ (regex_t *); if (__regexec ((const regex_t *) expbuf, string, 1, &match, REG_NOTEOL) == REG_NOMATCH) @@ -73,7 +74,7 @@ advance (const char *string, const char *expbuf) regmatch_t match; /* We only need info about the full match. */ expbuf += __alignof__ (regex_t *); - expbuf -= (expbuf - ((const char *) 0)) % __alignof__ (regex_t *); + expbuf -= ((uintptr_t) expbuf) % __alignof__ (regex_t *); if (__regexec ((const regex_t *) expbuf, string, 1, &match, REG_NOTEOL) == REG_NOMATCH |