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Side by Side Diff: source/tools/tzcode/scheck.c

Issue 845603002: Update ICU to 54.1 step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@master
Patch Set: remove unusued directories Created 5 years, 11 months ago
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1 /* 1 /*
2 ** This file is in the public domain, so clarified as of 2 ** This file is in the public domain, so clarified as of
3 ** 2006-07-17 by Arthur David Olson. 3 ** 2006-07-17 by Arthur David Olson.
4 */ 4 */
5 5
6 #ifndef lint
7 #ifndef NOID
8 static char elsieid[] = "@(#)scheck.c 8.19";
9 #endif /* !defined lint */
10 #endif /* !defined NOID */
11
12 /*LINTLIBRARY*/ 6 /*LINTLIBRARY*/
13 7
14 #include "private.h" 8 #include "private.h"
15 9
16 const char * 10 const char *
17 scheck(string, format) 11 scheck(const char *const string, const char *const format)
18 const char * const» string;
19 const char * const» format;
20 { 12 {
21 register char * fbuf; 13 register char * fbuf;
22 register const char * fp; 14 register const char * fp;
23 register char * tp; 15 register char * tp;
24 register int c; 16 register int c;
25 register const char * result; 17 register const char * result;
26 char dummy; 18 char dummy;
27 19
28 result = ""; 20 result = "";
29 if (string == NULL || format == NULL) 21 if (string == NULL || format == NULL)
30 return result; 22 return result;
31 » fbuf = imalloc((int) (2 * strlen(format) + 4)); 23 » fbuf = malloc(2 * strlen(format) + 4);
32 if (fbuf == NULL) 24 if (fbuf == NULL)
33 return result; 25 return result;
34 fp = format; 26 fp = format;
35 tp = fbuf; 27 tp = fbuf;
28
29 /*
30 ** Copy directives, suppressing each conversion that is not
31 ** already suppressed. Scansets containing '%' are not
32 ** supported; e.g., the conversion specification "%[%]" is not
33 ** supported. Also, multibyte characters containing a
34 ** non-leading '%' byte are not supported.
35 */
36 while ((*tp++ = c = *fp++) != '\0') { 36 while ((*tp++ = c = *fp++) != '\0') {
37 if (c != '%') 37 if (c != '%')
38 continue; 38 continue;
39 » » if (*fp == '%') { 39 » » if (is_digit(*fp)) {
40 » » » *tp++ = *fp++; 40 » » » char const *f = fp;
41 » » » continue; 41 » » » char *t = tp;
42 » » » do {
43 » » » » *t++ = c = *f++;
44 » » » } while (is_digit(c));
45 » » » if (c == '$') {
46 » » » » fp = f;
47 » » » » tp = t;
48 » » » }
42 } 49 }
43 *tp++ = '*'; 50 *tp++ = '*';
44 if (*fp == '*') 51 if (*fp == '*')
45 ++fp; 52 ++fp;
46 while (is_digit(*fp))
47 *tp++ = *fp++;
48 if (*fp == 'l' || *fp == 'h')
49 *tp++ = *fp++;
50 else if (*fp == '[')
51 do *tp++ = *fp++;
52 while (*fp != '\0' && *fp != ']');
53 if ((*tp++ = *fp++) == '\0') 53 if ((*tp++ = *fp++) == '\0')
54 break; 54 break;
55 } 55 }
56
56 *(tp - 1) = '%'; 57 *(tp - 1) = '%';
57 *tp++ = 'c'; 58 *tp++ = 'c';
58 *tp = '\0'; 59 *tp = '\0';
59 if (sscanf(string, fbuf, &dummy) != 1) 60 if (sscanf(string, fbuf, &dummy) != 1)
60 » » result = (char *) format; 61 » » result = format;
61 » ifree(fbuf); 62 » free(fbuf);
62 return result; 63 return result;
63 } 64 }
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