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comparison: intl/icu/source/io/sscanf.c
intl/icu/source/io/sscanf.c
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:0ca5fbc430b7 |
|---|---|
| 1 /* | |
| 2 ****************************************************************************** | |
| 3 * | |
| 4 * Copyright (C) 2000-2004, International Business Machines | |
| 5 * Corporation and others. All Rights Reserved. | |
| 6 * | |
| 7 ****************************************************************************** | |
| 8 * | |
| 9 * File sscanf.c | |
| 10 * | |
| 11 * Modification History: | |
| 12 * | |
| 13 * Date Name Description | |
| 14 * 02/08/00 george Creation. Copied from uscanf.c | |
| 15 ****************************************************************************** | |
| 16 */ | |
| 17 | |
| 18 #include "unicode/utypes.h" | |
| 19 | |
| 20 #if !UCONFIG_NO_FORMATTING | |
| 21 | |
| 22 #include "unicode/putil.h" | |
| 23 #include "unicode/ustdio.h" | |
| 24 #include "unicode/ustring.h" | |
| 25 #include "uscanf.h" | |
| 26 #include "ufile.h" | |
| 27 #include "ufmt_cmn.h" | |
| 28 | |
| 29 #include "cmemory.h" | |
| 30 #include "cstring.h" | |
| 31 | |
| 32 | |
| 33 U_CAPI int32_t U_EXPORT2 | |
| 34 u_sscanf(const UChar *buffer, | |
| 35 const char *patternSpecification, | |
| 36 ... ) | |
| 37 { | |
| 38 va_list ap; | |
| 39 int32_t converted; | |
| 40 | |
| 41 va_start(ap, patternSpecification); | |
| 42 converted = u_vsscanf(buffer, patternSpecification, ap); | |
| 43 va_end(ap); | |
| 44 | |
| 45 return converted; | |
| 46 } | |
| 47 | |
| 48 U_CAPI int32_t U_EXPORT2 | |
| 49 u_sscanf_u(const UChar *buffer, | |
| 50 const UChar *patternSpecification, | |
| 51 ... ) | |
| 52 { | |
| 53 va_list ap; | |
| 54 int32_t converted; | |
| 55 | |
| 56 va_start(ap, patternSpecification); | |
| 57 converted = u_vsscanf_u(buffer, patternSpecification, ap); | |
| 58 va_end(ap); | |
| 59 | |
| 60 return converted; | |
| 61 } | |
| 62 | |
| 63 U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */ | |
| 64 u_vsscanf(const UChar *buffer, | |
| 65 const char *patternSpecification, | |
| 66 va_list ap) | |
| 67 { | |
| 68 int32_t converted; | |
| 69 UChar *pattern; | |
| 70 UChar patBuffer[UFMT_DEFAULT_BUFFER_SIZE]; | |
| 71 int32_t size = (int32_t)uprv_strlen(patternSpecification) + 1; | |
| 72 | |
| 73 /* convert from the default codepage to Unicode */ | |
| 74 if (size >= MAX_UCHAR_BUFFER_SIZE(patBuffer)) { | |
| 75 pattern = (UChar *)uprv_malloc(size * sizeof(UChar)); | |
| 76 if(pattern == 0) { | |
| 77 return 0; | |
| 78 } | |
| 79 } | |
| 80 else { | |
| 81 pattern = patBuffer; | |
| 82 } | |
| 83 u_charsToUChars(patternSpecification, pattern, size); | |
| 84 | |
| 85 /* do the work */ | |
| 86 converted = u_vsscanf_u(buffer, pattern, ap); | |
| 87 | |
| 88 /* clean up */ | |
| 89 if (pattern != patBuffer) { | |
| 90 uprv_free(pattern); | |
| 91 } | |
| 92 | |
| 93 return converted; | |
| 94 } | |
| 95 | |
| 96 U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */ | |
| 97 u_vsscanf_u(const UChar *buffer, | |
| 98 const UChar *patternSpecification, | |
| 99 va_list ap) | |
| 100 { | |
| 101 int32_t converted; | |
| 102 UFILE inStr; | |
| 103 | |
| 104 inStr.fConverter = NULL; | |
| 105 inStr.fFile = NULL; | |
| 106 inStr.fOwnFile = FALSE; | |
| 107 #if !UCONFIG_NO_TRANSLITERATION | |
| 108 inStr.fTranslit = NULL; | |
| 109 #endif | |
| 110 inStr.fUCBuffer[0] = 0; | |
| 111 inStr.str.fBuffer = (UChar *)buffer; | |
| 112 inStr.str.fPos = (UChar *)buffer; | |
| 113 inStr.str.fLimit = buffer + u_strlen(buffer); | |
| 114 | |
| 115 if(u_locbund_init(&inStr.str.fBundle, "en_US_POSIX") == 0) { | |
| 116 return 0; | |
| 117 } | |
| 118 | |
| 119 converted = u_scanf_parse(&inStr, patternSpecification, ap); | |
| 120 | |
| 121 u_locbund_close(&inStr.str.fBundle); | |
| 122 | |
| 123 /* return # of items converted */ | |
| 124 return converted; | |
| 125 } | |
| 126 | |
| 127 #endif /* #if !UCONFIG_NO_FORMATTING */ | |
| 128 |
