diff options
| -rw-r--r-- | src/include/string.h | 119 | ||||
| -rw-r--r-- | src/lib/Makefile.inc | 9 | ||||
| -rw-r--r-- | src/lib/string.c | 109 |
3 files changed, 131 insertions, 106 deletions
diff --git a/src/include/string.h b/src/include/string.h index c56a760a04..d164f32b83 100644 --- a/src/include/string.h +++ b/src/include/string.h @@ -25,33 +25,13 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args); #endif char *strdup(const char *s); char *strconcat(const char *s1, const char *s2); - -// simple string functions - -static inline size_t strnlen(const char *src, size_t max) -{ - size_t i = 0; - while ((*src++) && (i < max)) - i++; - return i; -} - -static inline size_t strlen(const char *src) -{ - size_t i = 0; - while (*src++) - i++; - return i; -} - -static inline char *strchr(const char *s, int c) -{ - for (; *s; s++) { - if (*s == c) - return (char *) s; - } - return 0; -} +size_t strnlen(const char *src, size_t max); +size_t strlen(const char *src); +char *strchr(const char *s, int c); +char *strncpy(char *to, const char *from, int count); +char *strcpy(char *dst, const char *src); +int strcmp(const char *s1, const char *s2); +int strncmp(const char *s1, const char *s2, int maxlen); /** * Find a character in a string. @@ -61,71 +41,14 @@ static inline char *strchr(const char *s, int c) * @return A pointer to the last occurrence of the character in the * string, or NULL if the character was not encountered within the string. */ -static inline char *strrchr(const char *s, int c) -{ - char *p = (char *)s + strlen(s); - - for (; p >= s; p--) { - if (*p == c) - return p; - } - - return NULL; -} - -static inline char *strncpy(char *to, const char *from, int count) -{ - register char *ret = to; - register char data; - - while (count > 0) { - count--; - data = *from++; - *to++ = data; - if (data == '\0') - break; - } - - while (count > 0) { - count--; - *to++ = '\0'; - } - return ret; -} - -static inline char *strcpy(char *dst, const char *src) -{ - char *ptr = dst; - - while (*src) - *dst++ = *src++; - *dst = '\0'; +char *strrchr(const char *s, int c); - return ptr; -} - -static inline int strcmp(const char *s1, const char *s2) -{ - int r; - - while ((r = (*s1 - *s2)) == 0 && *s1) { - s1++; - s2++; - } - return r; -} - -static inline int strncmp(const char *s1, const char *s2, int maxlen) -{ - int i; - - for (i = 0; i < maxlen; i++) { - if ((s1[i] != s2[i]) || (s1[i] == '\0')) - return s1[i] - s2[i]; - } - - return 0; -} +/* + * Parses an unsigned integer and moves the input pointer forward to the first + * character that's not a valid digit. s and *s must not be NULL. Result + * undefined if it overruns the return type size. + */ +unsigned int skip_atoi(char **s); static inline int isspace(int c) { @@ -179,18 +102,4 @@ static inline int tolower(int c) return c; } -/* - * Parses an unsigned integer and moves the input pointer forward to the first - * character that's not a valid digit. s and *s must not be NULL. Result - * undefined if it overruns the return type size. - */ -static inline unsigned int skip_atoi(char **s) -{ - unsigned int i = 0; - - while (isdigit(**s)) - i = i*10 + *((*s)++) - '0'; - return i; -} - #endif /* STRING_H */ diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc index 1350152a40..913675bac8 100644 --- a/src/lib/Makefile.inc +++ b/src/lib/Makefile.inc @@ -118,7 +118,6 @@ ramstage-y += bootmem.c ramstage-y += fmap.c ramstage-y += memchr.c ramstage-y += memcmp.c -ramstage-y += string.c ramstage-y += malloc.c smm-$(CONFIG_SMM_TSEG) += malloc.c ramstage-y += dimm_info_util.c @@ -244,6 +243,14 @@ postcar-y += reset.c ramstage-y += reset.c smm-y += reset.c +decompressor-y += string.c +bootblock-y += string.c +verstage-y += string.c +romstage-y += string.c +postcar-y += string.c +ramstage-y += string.c +smm-y += string.c + postcar-y += bootmode.c postcar-y += boot_device.c postcar-y += cbfs.c diff --git a/src/lib/string.c b/src/lib/string.c index 2e71489ff6..a19f017852 100644 --- a/src/lib/string.c +++ b/src/lib/string.c @@ -1,9 +1,14 @@ +#include <assert.h> +#include <rules.h> #include <string.h> #include <stddef.h> #include <stdlib.h> char *strdup(const char *s) { + if (!ENV_RAMSTAGE) + dead_code(); /* This can't be used without malloc(). */ + size_t sz = strlen(s) + 1; char *d = malloc(sz); if (d) @@ -13,6 +18,9 @@ char *strdup(const char *s) char *strconcat(const char *s1, const char *s2) { + if (!ENV_RAMSTAGE) + dead_code(); /* This can't be used without malloc(). */ + size_t sz_1 = strlen(s1); size_t sz_2 = strlen(s2); char *d = malloc(sz_1 + sz_2 + 1); @@ -22,3 +30,104 @@ char *strconcat(const char *s1, const char *s2) } return d; } + +size_t strnlen(const char *src, size_t max) +{ + size_t i = 0; + while ((*src++) && (i < max)) + i++; + return i; +} + +size_t strlen(const char *src) +{ + size_t i = 0; + while (*src++) + i++; + return i; +} + +char *strchr(const char *s, int c) +{ + do { + if (*s == c) + return (char *)s; + } while (*s++); + + return NULL; +} + +char *strrchr(const char *s, int c) +{ + char *p = NULL; + + do { + if (*s == c) + p = (char *)s; + } while (*s++); + + return p; +} + +char *strncpy(char *to, const char *from, int count) +{ + char *ret = to; + char data; + + while (count > 0) { + count--; + data = *from++; + *to++ = data; + if (data == '\0') + break; + } + + while (count > 0) { + count--; + *to++ = '\0'; + } + return ret; +} + +char *strcpy(char *dst, const char *src) +{ + char *ptr = dst; + + while (*src) + *dst++ = *src++; + *dst = '\0'; + + return ptr; +} + +int strcmp(const char *s1, const char *s2) +{ + int r; + + while ((r = (*s1 - *s2)) == 0 && *s1) { + s1++; + s2++; + } + return r; +} + +int strncmp(const char *s1, const char *s2, int maxlen) +{ + int i; + + for (i = 0; i < maxlen; i++) { + if ((s1[i] != s2[i]) || (s1[i] == '\0')) + return s1[i] - s2[i]; + } + + return 0; +} + +unsigned int skip_atoi(char **s) +{ + unsigned int i = 0; + + while (isdigit(**s)) + i = i*10 + *((*s)++) - '0'; + return i; +} |