X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=blobdiff_plain;f=lib-lib%2Fstr.c;fp=lib-lib%2Fstr.c;h=e4616e60f15ec8bdec1fc3c9f0b4e89f222aaaa0;hp=7b5730574bbea86066a493026ff0552d812e0083;hb=688ac22f746f785c27ac99ac86aa85a3035a3638;hpb=9f1dbdb74d7ca296eaa5fcf45243f7e376d35eab diff --git a/lib-lib/str.c b/lib-lib/str.c index 7b57305..e4616e6 100644 --- a/lib-lib/str.c +++ b/lib-lib/str.c @@ -17,8 +17,17 @@ * Copyright © 2006 Pierre Habouzit */ +/** \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, @@ -66,13 +75,25 @@ char const __m_b36chars_upper[36] = { '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'; @@ -85,7 +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'; @@ -178,3 +199,5 @@ int ascii_strncasecmp (const char *a, const char *b, ssize_t n) return 0; } + +/*@}*/