diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4rec09.ctr |
Initial commit
Diffstat (limited to 'support/dktools/dk4rec09.ctr')
-rw-r--r-- | support/dktools/dk4rec09.ctr | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/support/dktools/dk4rec09.ctr b/support/dktools/dk4rec09.ctr new file mode 100644 index 0000000000..71bf4e3e4e --- /dev/null +++ b/support/dktools/dk4rec09.ctr @@ -0,0 +1,115 @@ +%% options + +copyright owner = Dirk Krause +copyright year = 2015-xxxx +license = bsd + + +%% header + +/** @file + String recoding from ANSI to UTF-16. + + 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 ANSI to UTF-16. + @param dstb Destination buffer. + @param szdstb Size of destination buffer (number of dk4_c16_t). + @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<br> + if src or dstb is NULL or szdstb is 0, + - DK4_E_BUFFER_TOO_SMALL<br> + if dstb is too small, + - DK4_E_SYNTAX<br> + with the number of successfully recoded characters in nelem if a + non-recodable character was found. +*/ +int +dk4recode_ansi_to_utf16( + dk4_c16_t *dstb, size_t szdstb, const char *src, dk4_er_t *erp +); + +#ifdef __cplusplus +} +#endif + + +%% module + +#include "dk4rec09.h" +#include "dk4mem.h" +#include "dk4ansi.h" +#include "dk4utf16.h" + + + +int +dk4recode_ansi_to_utf16( + dk4_c16_t *dstb, size_t szdstb, const char *src, dk4_er_t *erp +) +{ + dk4_c16_t buf[8]; + size_t sz; + size_t rd = 0; + size_t used = 0; + dk4_c32_t c32 = dkC32(0); + int back = 0; + + if ((NULL != dstb) && (NULL != src) && (0 < szdstb)) { + back = 1; + while(((dk4_c16_t)0U != *src) && (1 == back) && (used < szdstb)) { + if (0 != dk4ansi_decode(&c32, (unsigned char)(*(src++)))) { + sz = DK4_SIZEOF(buf,dk4_c16_t); + if (0 != dk4utf16_encode(buf, &sz, c32, erp)) { + if ((szdstb - used) > sz) { + DK4_MEMCPY(&(dstb[used]),buf,(2 * sz)); + used += sz; + } else { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); + } + } else { + back = 0; + dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, rd); + } + } else { + back = 0; + dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, rd); + } + if (0 != back) { rd++; } + } + if (used < szdstb) { + dstb[used] = (dk4_c16_t)0U; + } else { + dstb[szdstb - 1] = (dk4_c16_t)0U; + 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; +} + + |