X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=blobdiff_plain;f=lib-lib%2Fstr.h;h=29b8817fe56bf95432f9ab94ba5b4632b870e3cf;hp=d28c814c807739fe4dd94214e3937f46f25f7116;hb=b36dc16c428cc2b1371bb99c0581aa014f302791;hpb=d4483b5add8d25008c305b51729f4a53bccfaab8 diff --git a/lib-lib/str.h b/lib-lib/str.h index d28c814..29b8817 100644 --- a/lib-lib/str.h +++ b/lib-lib/str.h @@ -21,16 +21,110 @@ #define MUTT_LIB_LIB_STR_H #include +#include + #include "../lib/str.h" #include "mem.h" +#define HUGE_STRING 5120 +#define LONG_STRING 1024 +#define STRING 256 +#define SHORT_STRING 128 + +#define NONULL(x) (x?x:"") +#define ISSPACE(c) isspace((unsigned char)c) + +extern unsigned char const __m_strdigits[128]; +extern signed char const __m_b64digits[128]; +extern char const __m_b64chars[64]; + +extern char const __m_b36chars_lower[36]; +extern char const __m_b36chars_upper[36]; + +/****************************************************************************/ +/* char related */ +/****************************************************************************/ + +static inline int hexval(int c) { + return !(c & ~127) && __m_strdigits[c] < 16 ? __m_strdigits[c] : -1; +} + +static inline int base64val(int c) { + return (c & ~127) ? -1 : __m_b64digits[c]; +} + +/****************************************************************************/ +/* length related */ +/****************************************************************************/ + +static inline int m_strisempty(const char *s) { + return !s || !*s; +} + static inline ssize_t m_strlen(const char *s) { return s ? strlen(s) : 0; } -static inline char* m_strdup(const char *s) { - return p_dupstr(s, m_strlen(s)); +static inline ssize_t m_strnlen(const char *s, ssize_t n) { + const char *p = memchr(s, '\0', n); + return p ? p - s : n; +} + +/****************************************************************************/ +/* comparisons */ +/****************************************************************************/ + +static inline int m_strcmp(const char *a, const char *b) { + return strcmp(NONULL(a), NONULL(b)); +} + +static inline int m_strcasecmp(const char *a, const char *b) { + return strcasecmp(NONULL(a), NONULL(b)); +} + +static inline int m_strncmp(const char *a, const char *b, size_t n) { + return strncmp (NONULL(a), NONULL(b), n); +} + +static inline int m_strncasecmp(const char *a, const char *b, size_t n) { + return strncasecmp(NONULL(a), NONULL(b), n); +} + +/****************************************************************************/ +/* making copies */ +/****************************************************************************/ + +static inline char *m_strdup(const char *s) { + ssize_t len = m_strlen(s); + return len ? p_dup(s, len + 1) : NULL; +} + +ssize_t m_strcpy(char *dst, ssize_t n, const char *src); +ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l); + +static inline ssize_t m_strcat(char *dst, ssize_t n, const char *src) { + ssize_t dlen = m_strnlen(dst, n - 1); + return dlen + m_strcpy(dst + dlen, n - dlen, src); +} + +static inline ssize_t +m_strncat(char *dst, ssize_t n, const char *src, ssize_t l) { + ssize_t dlen = m_strnlen(dst, n - 1); + return dlen + m_strncpy(dst + dlen, n - dlen, src, l); +} + +/****************************************************************************/ +/* parsing related */ +/****************************************************************************/ + +static inline const char *skipspaces(const char *s) { + while (*s && isspace((unsigned char)*s)) + s++; + return s; +} +static inline char *vskipspaces(const char *s) { + return (char *)skipspaces(s); } #endif /* MUTT_LIB_LIB_STR_H */