diff options
author | Campbell Barton <ideasman42@gmail.com> | 2012-10-10 08:47:53 +0400 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2012-10-10 08:47:53 +0400 |
commit | 7dc19e0bc7c1ae4094fefeadc13019e64eb20e08 (patch) | |
tree | ef8023b9e5f6f5b10f45ceb31a8a1a6586d0aa86 | |
parent | a17e1eea23f2323f4a8655ca8fe5967cce266e39 (diff) |
use __restrict for string functions args so the compiler can assume they dont overlap.
also avoid comparing int/size_t in for loops.
-rw-r--r-- | source/blender/blenlib/BLI_string.h | 20 | ||||
-rw-r--r-- | source/blender/blenlib/BLI_string_utf8.h | 12 | ||||
-rw-r--r-- | source/blender/blenlib/intern/string.c | 29 |
3 files changed, 32 insertions, 29 deletions
diff --git a/source/blender/blenlib/BLI_string.h b/source/blender/blenlib/BLI_string.h index 666c74ca36f..943597b6688 100644 --- a/source/blender/blenlib/BLI_string.h +++ b/source/blender/blenlib/BLI_string.h @@ -74,7 +74,7 @@ __attribute__((nonnull)) * \param str2 second string for append * \retval Returns dst */ -char *BLI_strdupcat(const char *str1, const char *str2) +char *BLI_strdupcat(const char *__restrict str1, const char *__restrict str2) #ifdef __GNUC__ __attribute__((warn_unused_result)) __attribute__((nonnull)) @@ -91,7 +91,7 @@ __attribute__((nonnull)) * the size of dst) * \retval Returns dst */ -char *BLI_strncpy(char *dst, const char *src, const size_t maxncpy) +char *BLI_strncpy(char *__restrict dst, const char *__restrict src, const size_t maxncpy) #ifdef __GNUC__ __attribute__((nonnull)) #endif @@ -107,7 +107,7 @@ __attribute__((nonnull)) * Assume that the strings returned must be freed afterwards, and that the inputs will contain * data we want... */ -char *BLI_str_quoted_substrN(const char *str, const char *prefix) +char *BLI_str_quoted_substrN(const char *__restrict str, const char *__restrict prefix) #ifdef __GNUC__ __attribute__((warn_unused_result)) __attribute__((nonnull)) @@ -124,7 +124,7 @@ __attribute__((nonnull)) * \param newText The text in the string to find and replace * \retval Returns the duplicated string */ -char *BLI_replacestr(char *str, const char *oldText, const char *newText) +char *BLI_replacestr(char *__restrict str, const char *__restrict oldText, const char *__restrict newText) #ifdef __GNUC__ __attribute__((warn_unused_result)) __attribute__((nonnull)) @@ -134,7 +134,7 @@ __attribute__((nonnull)) /* * Replacement for snprintf */ -size_t BLI_snprintf(char *buffer, size_t len, const char *format, ...) +size_t BLI_snprintf(char *__restrict buffer, size_t len, const char *__restrict format, ...) #ifdef __GNUC__ __attribute__ ((format(printf, 3, 4))) __attribute__((nonnull)) @@ -144,7 +144,7 @@ __attribute__((nonnull)) /* * Replacement for vsnprintf */ -size_t BLI_vsnprintf(char *buffer, size_t count, const char *format, va_list arg) +size_t BLI_vsnprintf(char *__restrict buffer, size_t count, const char *__restrict format, va_list arg) #ifdef __GNUC__ __attribute__ ((format(printf, 3, 0))) #endif @@ -154,7 +154,7 @@ __attribute__ ((format(printf, 3, 0))) * Print formatted string into a newly mallocN'd string * and return it. */ -char *BLI_sprintfN(const char *format, ...) +char *BLI_sprintfN(const char *__restrict format, ...) #ifdef __GNUC__ __attribute__ ((format(printf, 1, 2))) __attribute__((warn_unused_result)) @@ -162,7 +162,7 @@ __attribute__((nonnull)) #endif ; -size_t BLI_strescape(char *dst, const char *src, const size_t maxlen) +size_t BLI_strescape(char *__restrict dst, const char *__restrict src, const size_t maxlen) #ifdef __GNUC__ __attribute__((nonnull)) #endif @@ -216,12 +216,12 @@ __attribute__((nonnull)) #endif ; /* time var is global */ -void BLI_ascii_strtolower(char *str, int len) +void BLI_ascii_strtolower(char *str, const size_t len) #ifdef __GNUC__ __attribute__((nonnull)) #endif ; -void BLI_ascii_strtoupper(char *str, int len) +void BLI_ascii_strtoupper(char *str, const size_t len) #ifdef __GNUC__ __attribute__((nonnull)) #endif diff --git a/source/blender/blenlib/BLI_string_utf8.h b/source/blender/blenlib/BLI_string_utf8.h index 56ed4beba53..47980d104fe 100644 --- a/source/blender/blenlib/BLI_string_utf8.h +++ b/source/blender/blenlib/BLI_string_utf8.h @@ -31,16 +31,16 @@ extern "C" { #endif -char *BLI_strncpy_utf8(char *dst, const char *src, size_t maxncpy); -char *BLI_strncat_utf8(char *dst, const char *src, size_t maxncpy); +char *BLI_strncpy_utf8(char *__restrict dst, const char *__restrict src, size_t maxncpy); +char *BLI_strncat_utf8(char *__restrict dst, const char *__restrict src, size_t maxncpy); int BLI_utf8_invalid_byte(const char *str, int length); int BLI_utf8_invalid_strip(char *str, int length); int BLI_str_utf8_size(const char *p); /* warning, can return -1 on bad chars */ /* copied from glib */ unsigned int BLI_str_utf8_as_unicode(const char *p); -unsigned int BLI_str_utf8_as_unicode_and_size(const char *p, size_t *index); -unsigned int BLI_str_utf8_as_unicode_step(const char *p, size_t *index); +unsigned int BLI_str_utf8_as_unicode_and_size(const char *__restrict p, size_t *__restrict index); +unsigned int BLI_str_utf8_as_unicode_step(const char *__restrict p, size_t *__restrict index); size_t BLI_str_utf8_from_unicode(unsigned int c, char *outbuf); char *BLI_str_find_prev_char_utf8(const char *str, const char *p); @@ -50,8 +50,8 @@ char *BLI_str_prev_char_utf8(const char *p); /* wchar_t functions, copied from blenders own font.c originally */ size_t BLI_wstrlen_utf8(const wchar_t *src); size_t BLI_strlen_utf8(const char *strc); -size_t BLI_strncpy_wchar_as_utf8(char *dst, const wchar_t *src, const size_t maxcpy); -size_t BLI_strncpy_wchar_from_utf8(wchar_t *dst, const char *src, const size_t maxcpy); +size_t BLI_strncpy_wchar_as_utf8(char *__restrict dst, const wchar_t *__restrict src, const size_t maxcpy); +size_t BLI_strncpy_wchar_from_utf8(wchar_t *__restrict dst, const char *__restrict src, const size_t maxcpy); #define BLI_UTF8_MAX 6 #define BLI_UTF8_ERR ((unsigned int)-1) diff --git a/source/blender/blenlib/intern/string.c b/source/blender/blenlib/intern/string.c index 8501db7c8b8..4b64a650b52 100644 --- a/source/blender/blenlib/intern/string.c +++ b/source/blender/blenlib/intern/string.c @@ -296,11 +296,12 @@ char *BLI_strcasestr(const char *s, const char *find) int BLI_strcasecmp(const char *s1, const char *s2) { - int i; + register int i; + register char c1, c2; for (i = 0;; i++) { - char c1 = tolower(s1[i]); - char c2 = tolower(s2[i]); + c1 = tolower(s1[i]); + c2 = tolower(s2[i]); if (c1 < c2) { return -1; @@ -318,11 +319,12 @@ int BLI_strcasecmp(const char *s1, const char *s2) int BLI_strncasecmp(const char *s1, const char *s2, size_t len) { - int i; + register size_t i; + register char c1, c2; for (i = 0; i < len; i++) { - char c1 = tolower(s1[i]); - char c2 = tolower(s2[i]); + c1 = tolower(s1[i]); + c2 = tolower(s2[i]); if (c1 < c2) { return -1; @@ -341,15 +343,16 @@ int BLI_strncasecmp(const char *s1, const char *s2, size_t len) /* natural string compare, keeping numbers in order */ int BLI_natstrcmp(const char *s1, const char *s2) { - int d1 = 0, d2 = 0; + register int d1 = 0, d2 = 0; + register char c1, c2; /* if both chars are numeric, to a strtol(). * then increase string deltas as long they are * numeric, else do a tolower and char compare */ while (1) { - char c1 = tolower(s1[d1]); - char c2 = tolower(s2[d2]); + c1 = tolower(s1[d1]); + c2 = tolower(s2[d2]); if (isdigit(c1) && isdigit(c2) ) { int val1, val2; @@ -419,18 +422,18 @@ size_t BLI_strnlen(const char *str, size_t maxlen) return end ? (size_t) (end - str) : maxlen; } -void BLI_ascii_strtolower(char *str, int len) +void BLI_ascii_strtolower(char *str, const size_t len) { - int i; + size_t i; for (i = 0; i < len; i++) if (str[i] >= 'A' && str[i] <= 'Z') str[i] += 'a' - 'A'; } -void BLI_ascii_strtoupper(char *str, int len) +void BLI_ascii_strtoupper(char *str, const size_t len) { - int i; + size_t i; for (i = 0; i < len; i++) if (str[i] >= 'a' && str[i] <= 'z') |