X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=blobdiff_plain;f=lib-lib%2Fstr.c;h=ab603da1ab8e760f8f4f250ac757985427c6418a;hp=72254833748f3e92e5147f7bb666f8018ce03fa3;hb=4dbc0e4a9d573611d4f521400a2e16f47c176639;hpb=bec523bb3ad78ec9100efb18fb58d43d38b304de;ds=sidebyside diff --git a/lib-lib/str.c b/lib-lib/str.c index 7225483..ab603da 100644 --- a/lib-lib/str.c +++ b/lib-lib/str.c @@ -17,9 +17,17 @@ * Copyright © 2006 Pierre Habouzit */ -#include "macros.h" -#include "str.h" +/** \addtogroup mutt_strings */ +/*@{*/ +/** \file str.c + * \brief Madmutt string API module implementation. + * \author Pierre Habouzit + */ + +#include "lib-lib.h" + +#ifndef _DOXYGEN_SKIP_ME #define XX 255 unsigned char const __m_strdigits[128] = { XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, @@ -54,12 +62,38 @@ char const __m_b64chars[64] = { '8', '9', '+', '/' }; +char const __m_b36chars_lower[36] = { + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', + 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', + 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', + 'u', 'v', 'w', 'x', 'y', 'z' +}; + +char const __m_b36chars_upper[36] = { + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', + 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', + 'U', 'V', 'W', 'X', 'Y', 'Z' +}; +#endif +/** \brief safe strcpy. + * + * Copies at most n-1 characters from \c src into \c dst, always + * adding a final \c '\\0' in \c dst. + * + * \param[in] dst destination buffer. + * \param[in] n size of the buffer. Negative sizes are allowed. + * \param[in] src source string. + * + * \return \c src \e length. If this value is \>= \c n then the copy was + * truncated. + */ ssize_t m_strcpy(char *dst, ssize_t n, const char *src) { ssize_t len = m_strlen(src); - if (dst && n > 0) { + if (n > 0) { ssize_t dlen = MIN(n - 1, len); memcpy(dst, src, dlen); dst[dlen] = '\0'; @@ -72,7 +106,7 @@ ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l) { ssize_t len = MIN(m_strlen(src), l); - if (dst && n > 0) { + if (n > 0) { ssize_t dlen = MIN(n - 1, len); memcpy(dst, src, dlen); dst[dlen] = '\0'; @@ -80,3 +114,86 @@ ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l) return len; } + +char *m_strrtrim(char *s) +{ + ssize_t len = m_strlen(s); + + while (len > 1 && ISSPACE(s[len - 1])) + s[--len] = '\0'; + + return s + len; +} + +const char *m_stristrn(const char *haystack, const char *needle, ssize_t nlen) +{ + int nc; + + if (!nlen) + return haystack; + + nc = tolower(*needle); + for (;;) { + int c = tolower(*haystack); + + if (c != nc) { + if (c == '\0') + return NULL; + } else { + ssize_t i; + + /* compare the rest of needle */ + for (i = 1;; i++) { + if (i == nlen) + return haystack; + if (c == '\0') + return NULL; + c = tolower(haystack[i]); + if (c != tolower(needle[i])) + break; + } + } + + haystack++; + } +} + +int ascii_strcasecmp(const char *a, const char *b) +{ + int i; + + if (a == b) + return 0; + if (a == NULL && b) + return -1; + if (b == NULL && a) + return 1; + + for (; *a || *b; a++, b++) { + if ((i = ascii_tolower(*a) - ascii_tolower(*b))) + return i; + } + + return 0; +} + +int ascii_strncasecmp (const char *a, const char *b, ssize_t n) +{ + int i, j; + + if (a == b) + return 0; + if (a == NULL && b) + return -1; + if (b == NULL && a) + return 1; + + for (j = 0; (*a || *b) && j < n; a++, b++, j++) { + if ((i = ascii_tolower(*a) - ascii_tolower(*b))) + return i; + } + + return 0; +} + +/*@}*/