%% options copyright owner = Dirk Krause copyright year = 2015-xxxx license = bsd %% header /** @file String recoding from ASCII to ANSI. CRT on Windows: Not used. */ #ifndef DK4CONF_H_INCLUDED #include "dk4conf.h" #endif #ifndef DK4TYPES_H_INCLUDED #include "dk4types.h" #endif #ifndef DK4ERROR_H_INCLUDED #include "dk4error.h" #endif #ifdef __cplusplus extern "C" { #endif /** Recode string from ASCII to ANSI. @param dstb Destination buffer. @param szdstb Size of destination buffer (number of bytes). @param src Source string to convert. @param erp Error report, may be NULL. @return 1 on success, 0 on error. Error codes: - DK4_E_INVALID_ARGUMENTS
if src or dstb is NULL or szdstb is 0, - DK4_E_BUFFER_TOO_SMALL
if dstb is too small, - DK4_E_SYNTAX
with the number of successfully recoded characters in nelem if a non-recodable character was found. */ int dk4recode_ascii_to_ansi( char *dstb, size_t szdstb, const char *src, dk4_er_t *erp ); #ifdef __cplusplus } #endif %% module #include "dk4rec01.h" #include "dk4ansi.h" int dk4recode_ascii_to_ansi( char *dstb, size_t szdstb, const char *src, dk4_er_t *erp ) { size_t used = 0; dk4_c32_t c32 = dkC32(0); int back = 0; unsigned char uc = '\0'; if ((NULL != dstb) && (0 < szdstb) && (NULL != src)) { back = 1; while(('\0' != *src) && (1 == back) && (used < szdstb)) { uc = (unsigned char)(*(src++)); c32 = (dk4_c32_t)uc; if (0 != dk4ansi_encode(&uc, c32)) { dstb[used++] = (char)uc; } else { back = 0; dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, used); } } if (used < szdstb) { dstb[used] = '\0'; } else { dstb[szdstb - 1] = '\0'; back = 0; dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; }