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/dk4rec02.ctr |
Initial commit
Diffstat (limited to 'support/dktools/dk4rec02.ctr')
-rw-r--r-- | support/dktools/dk4rec02.ctr | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/support/dktools/dk4rec02.ctr b/support/dktools/dk4rec02.ctr new file mode 100644 index 0000000000..bc2ecfad92 --- /dev/null +++ b/support/dktools/dk4rec02.ctr @@ -0,0 +1,100 @@ +%% options + +copyright owner = Dirk Krause +copyright year = 2015-xxxx +license = bsd + + +%% header + +/** @file + String recoding from ANSI to ASCII + + 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 ASCII + @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<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_ascii( + char *dstb, size_t szdstb, const char *src, dk4_er_t *erp +); + +#ifdef __cplusplus +} +#endif + +%% module + +#include "dk4rec02.h" +#include "dk4ansi.h" + +int +dk4recode_ansi_to_ascii( + 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) && (NULL != src) && (0 < szdstb)) { + back = 1; + while (('\0' != *src) && (1 == back) && (used < szdstb)) { + uc = (unsigned char)(*(src++)); + if (0 != dk4ansi_decode(&c32, uc)) { + if (dkC32(0x00000100) > c32) { + dstb[used++] = (char)c32; + } else { + back = 0; + dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, used); + } + } 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; +} + + |